{"id":549886,"date":"2026-04-17T06:55:49","date_gmt":"2026-04-17T04:55:49","guid":{"rendered":"https:\/\/www.dynseo.com\/memoire-semantique-role-troubles-et-exercices-de-stimulation-dynseo-2\/"},"modified":"2026-04-17T06:58:21","modified_gmt":"2026-04-17T04:58:21","slug":"semantic-memory-role-disorders-and-stimulation-exercises-dynseo","status":"publish","type":"post","link":"https:\/\/www.dynseo.com\/en\/semantic-memory-role-disorders-and-stimulation-exercises-dynseo\/","title":{"rendered":"Semantic Memory: Role, Disorders and Stimulation Exercises | DYNSEO"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Article HTML&#8221; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row admin_label=&#8221;Contenu&#8221; _builder_version=&#8221;4.16&#8243; width=&#8221;100%&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; 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border-radius: 15px; padding: 25px 30px; margin: 15px 0; box-shadow: 0 3px 15px rgba(94,94,215,0.08); border-left: 4px solid #a9e2e4; }\n.dbi-art-286e26 .faq-item h4 { font-family: 'Montserrat', sans-serif; color: #5e5ed7; margin-bottom: 12px; font-size: 1.05rem; }\n.dbi-art-286e26 .faq-item p { margin: 0; color: #555; }\n.dbi-art-286e26 a { color: #5e5ed7; }\n@media (max-width: 768px) {\n.dbi-art-286e26 .article-header h1 { font-size: 1.8rem; }\n.dbi-art-286e26 .stats-grid { grid-template-columns: 1fr; }\n.dbi-art-286e26 .benefits-grid { grid-template-columns: 1fr; }\n.dbi-art-286e26 .article-header { padding: 40px 15px; }\n.dbi-art-286e26 .container { padding: 15px; }\n.dbi-art-286e26 h2 { font-size: 1.5rem; }\n.dbi-art-286e26 .comparison-table { font-size: 0.9rem; }\n}<\/p>\n<\/style>\n<div class=\"dbi-art-286e26\">\n<article>\n<header class=\"article-header\">\n<div class=\"article-category\">\ud83d\udcda Memory &amp; Language<\/div>\n<h1>Semantic Memory: Role, Disorders, and Stimulation Exercises<\/h1>\n<pee class=\"subtitle\">What is semantic memory, how does it differ from other memory systems, what disorders can affect it, and how can it be effectively stimulated?<\/pee>\n    <\/header>\n<div class=\"container\">\n<div class=\"intro-paragraph\">\n        When you know that the Eiffel Tower is in Paris, that water boils at 100\u00b0C, or that the heart is a muscle \u2014 you are using your semantic memory. It is this vast reservoir of general knowledge about the world, words, and concepts that we use every moment without even thinking about it. Semantic memory is one of the richest and most fascinating dimensions of human cognition \u2014 and one of the least known to the general public. This comprehensive guide explains how it works, the pathologies that can affect it, and strategies to stimulate and preserve it.\n    <\/div>\n<div class=\"stats-grid\">\n<div class=\"stat-card\">\n            <span class=\"stat-number\">~50,000<\/span><\/p>\n<div class=\"stat-label\">words stored in the mental lexicon of a cultured adult \u2014 the essence of semantic memory<\/div>\n<\/p><\/div>\n<div class=\"stat-card\">\n            <span class=\"stat-number\">30 %<\/span><\/p>\n<div class=\"stat-label\">of patients after a Stroke have difficulties retrieving vocabulary (anomia)<\/div>\n<\/p><\/div>\n<div class=\"stat-card\">\n            <span class=\"stat-number\">\u00b1 stable<\/span><\/p>\n<div class=\"stat-label\">semantic memory resists normal aging well \u2014 it is one of its key characteristics<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<h2>Definition: What is semantic memory?<\/h2>\n<pee>Semantic memory was formalized as a concept by Canadian psychologist Endel Tulving in 1972, who distinguished it from episodic memory. While episodic memory stores memories of personal events experienced (what happened to me, when, where), semantic memory stores general knowledge about the world \u2014 regardless of the context in which it was acquired.<\/pee>\n<pee>When you know that cats are mammals, that World War II took place in the 20th century, or that &#8220;table&#8221; refers to a piece of furniture with a flat surface on legs \u2014 you generally have no memory of the exact moment when you learned this information. They are part of your base of general knowledge, encoded without autobiographical context. This is the essence of semantic memory.<\/pee>\n<h3>Semantic memory and episodic memory: fundamental differences<\/h3>\n<table class=\"comparison-table\">\n<thead>\n<tr>\n<th>Characteristic<\/th>\n<th>Episodic Memory<\/th>\n<th>Semantic Memory<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Content<\/strong><\/td>\n<td>Personal events experienced (&#8220;I visited this museum last month&#8221;)<\/td>\n<td>General knowledge (&#8220;this museum contains works from the 17th century&#8221;)<\/td>\n<\/tr>\n<tr>\n<td><strong>Context<\/strong><\/td>\n<td>Specific: when, where, with whom<\/td>\n<td>Timeless: no acquisition context needed<\/td>\n<\/tr>\n<tr>\n<td><strong>Consciousness<\/strong><\/td>\n<td>&#8220;I remember&#8221; \u2014 reliving the past<\/td>\n<td>&#8220;I know&#8221; \u2014 knowledge without reliving<\/td>\n<\/tr>\n<tr>\n<td><strong>Aging<\/strong><\/td>\n<td>Notable decline from 60-65 years (especially for recent events)<\/td>\n<td>Relatively stable, can enrich until 60-70 years<\/td>\n<\/tr>\n<tr>\n<td><strong>Alzheimer&#8217;s (onset)<\/strong><\/td>\n<td>Early and marked impairment<\/td>\n<td>Better preserved in mild stages<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Organization and structure of semantic memory<\/h2>\n<pee>Semantic memory is not a simple dictionary where knowledge would be stored alphabetically or randomly. It is organized into networks of concepts linked together by semantic connections \u2014 relationships of meaning (category, property, association, opposition). This network organization explains several well-known phenomena of daily life.<\/pee>\n<h3>Semantic networks and spreading activation<\/h3>\n<pee>When you think of the word &#8220;dog,&#8221; associated concepts automatically activate in your semantic memory \u2014 &#8220;cat,&#8221; &#8220;animal,&#8221; &#8220;bark,&#8221; &#8220;fur,&#8221; &#8220;bone,&#8221; even images or emotions associated with experiences with dogs. This is the phenomenon of <strong>spreading activation<\/strong>: activating one concept automatically activates the concepts related to it in the semantic network, facilitating their retrieval.<\/pee>\n<pee>This phenomenon explains why certain retrieval strategies work well (starting from a nearby concept to retrieve a forgotten word), and why semantic cues accelerate lexical processing.<\/pee>\n<\/div>\n<\/article>\n<\/div>\n<div class=\"highlight-box\">\n<h4>\ud83d\udd78\ufe0f Semantic memory as a network of meanings<\/h4>\n<pee>Imagine semantic memory as a vast network where each node is a concept and each link is a semantic relationship. &#8220;Apple&#8221; is connected to &#8220;fruit,&#8221; &#8220;red,&#8221; &#8220;green,&#8221; &#8220;Granny Smith,&#8221; &#8220;pie,&#8221; &#8220;vitamin C,&#8221; &#8220;bite,&#8221; &#8220;Adam and Eve&#8221;\u2026 These links are not fixed once and for all: they enrich with experience and learning, and they can be restructured after a brain injury or impoverished in certain diseases.<\/pee>\n    <\/div>\n<h3>Organization by categories and properties<\/h3>\n<pee>Neuropsychology has shown that concepts are organized not only by free associations but also by natural categories (animals, objects, people, foods\u2026) and by shared properties (living\/non-living, mobile\/static, natural\/artificial). This organization is reflected in brain structure: lesions in specific brain regions can cause category-specific semantic deficits \u2014 for example, a person who can no longer name animals but perfectly recognizes manufactured objects, or the reverse.<\/pee>\n<h2>The neural bases of semantic memory<\/h2>\n<pee>Unlike episodic memory, which heavily depends on the hippocampus, semantic memory is distributed across a much larger cortical network. The lateral temporal regions \u2014 particularly the left lateral temporal cortex \u2014 play a central role in the storage and retrieval of vocabulary and conceptual knowledge. The prefrontal regions contribute to the controlled retrieval of semantic information. The parietal regions integrate the sensorimotor properties of concepts.<\/pee>\n<pee>This distribution explains two important facts. First, semantic memory is robust against localized lesions \u2014 if one area is damaged, others can partially compensate. Second, different types of semantic knowledge can be selectively affected by specific lesions \u2014 hence the category-specific deficits mentioned earlier.<\/pee>\n<h2>Semantic memory disorders<\/h2>\n<pee>Semantic memory can be affected by many neurological and neurodegenerative pathologies. Understanding these disorders is essential for families and healthcare professionals who support the affected individuals.<\/pee>\n<h3>Semantic dementia<\/h3>\n<pee>Semantic dementia \u2014 a form of frontotemporal dementia \u2014 is characterized by a progressive and selective degradation of semantic memory, with relatively good preservation of other cognitive functions in the early stages. Affected individuals gradually lose the meaning of words and objects: they may still read aloud words they no longer understand, recognize faces of loved ones without being able to name their professions or relationships, or use an object inappropriately because they have forgotten its function.<\/pee>\n<pee>This disorder contrasts with Alzheimer&#8217;s disease, where episodic memory is affected first and semantic memory is initially preserved.<\/pee>\n<h3>Semiotic disorders in Alzheimer&#8217;s disease<\/h3>\n<pee>Although episodic memory is the first system affected in Alzheimer&#8217;s disease, semantic memory gradually deteriorates in moderate and advanced stages. The first manifestations are often difficulties in retrieving proper names (famous people, geographical names), followed by difficulties in naming objects, a depletion of active vocabulary, and confusions between closely related concepts. These disorders are part of the overall clinical picture but deserve specific management.<\/pee>\n<h3>Semiotic disorders after Stroke<\/h3>\n<pee>Strokes affecting the temporal or parietal regions of the left hemisphere can cause semantic disorders as part of aphasia. The most common form is <strong>anomia<\/strong> \u2014 difficulty in retrieving words \u2014 which can variably affect active vocabulary (the words one wants to say) and passive vocabulary (the words one understands). Speech therapy and cognitive stimulation can promote recovery or compensation for these difficulties.<\/pee>\n<div class=\"warning-box\">\n<h4>\u26a0\ufe0f Semantic disorders: signals to watch for<\/h4>\n<pee>Significant semantic difficulties manifest as: a growing inability to name common objects or known people, confusion between similar concepts (calling a comb a &#8220;brush&#8221;), misunderstanding of frequently used words, a marked impoverishment of vocabulary in production. These signals, if progressive and persistent, deserve a neuropsychological evaluation. The <a href=\"https:\/\/www.dynseo.com\/en\/memory-test\/\" target=\"_blank\"><strong>DYNSEO memory test<\/strong><\/a> can serve as a first reference, to be supplemented by a specialized consultation.<\/pee>\n    <\/div>\n<h3>Semiotic disorders in other pathologies<\/h3>\n<pee>Semantic memory difficulties can also appear in confusional syndrome (acute confusion), traumatic brain injury, encephalitis, and certain severe psychiatric illnesses. In each case, management must be tailored to the cause and the specific profile of the disorder.<\/pee>\n<h2>How to evaluate semantic memory?<\/h2>\n<pee>The evaluation of semantic memory is part of comprehensive neuropsychological assessments. It uses several types of standardized tasks.<\/pee>\n<div class=\"method-card blue\">\n<div class=\"method-badge badge-blue\">\ud83d\udd24 Naming tasks<\/div>\n<h4>Name images or objects<\/h4>\n<pee>Naming tests (such as the Boston Naming Test or the DO 80) present the subject with images of objects, animals, or people and ask them to name them. They assess access to the lexicon from visual representations \u2014 a task that directly engages semantic memory.<\/pee>\n    <\/div>\n<div class=\"method-card teal\">\n<div class=\"method-badge badge-green\">\ud83d\udcc2 Categorization tasks<\/div>\n<h4>Classify concepts by categories<\/h4>\n<pee>These tasks ask the subject to group words or images according to categories, or to say if two items belong to the same category. They assess the organizational structure of semantic memory \u2014 the ability to extract and use semantic relationships between concepts.<\/pee>\n    <\/div>\n<div class=\"method-card yellow\">\n<div class=\"method-badge badge-yellow\">\ud83d\udcac Verbal fluencies<\/div>\n<h4>Produce as many words as possible in a limited time<\/h4>\n<pee>Category fluency tasks require naming as many members of a category (animals, fruits, furniture\u2026) as possible in 1 minute. They assess access to semantic memory and its richness, and are very sensitive to semantic disorders \u2014 individuals with semantic impairments produce few words and make intrusion errors (naming out-of-category items).<\/pee>\n    <\/div>\n<h2>Stimulating and rehabilitating semantic memory: practical exercises<\/h2>\n<pee>Whether to prevent decline, maintain abilities in the presence of a pathology, or support rehabilitation after a brain injury, many activities can stimulate semantic memory. The most effective exercises are those that actively engage semantic networks \u2014 that force retrieval, manipulation, and elaboration of knowledge, rather than simply listening to or reading passively.<\/pee>\n<h3>Fluency and semantic activation exercises<\/h3>\n<div class=\"benefits-grid\">\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udc3e<\/div>\n<h4>Category fluencies<\/h4>\n<pee>Name as many members of a category as possible in 1 minute (animals, fruits, professions, sports\u2026). Excellent for activating and maintaining semantic networks.<\/pee>\n        <\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udd17<\/div>\n<h4>Guided free associations<\/h4>\n<pee>Starting from a trigger word, chain semantic associations (&#8220;garden \u2192 flowers \u2192 spring \u2192 rain \u2192 umbrella\u2026&#8221;). Stimulates the spread activation in semantic networks.<\/pee>\n        <\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83c\udfaf<\/div>\n<h4>Definitions and paraphrases<\/h4>\n<pee>Describe an object or a concept without using the word itself, and have it guessed. Engages the search in the property networks of semantic memory.<\/pee>\n        <\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\u2753<\/div>\n<h4>General Knowledge Quiz<\/h4>\n<pee>General knowledge quizzes directly activate semantic memory and can be made progressively more difficult to maintain an appropriate level of challenge.<\/pee>\n        <\/div>\n<\/p><\/div>\n<h3>Stimulation through Language and Vocabulary<\/h3>\n<pee>Regular reading \u2014 especially of varied and demanding texts \u2014 is one of the best ways to enrich and maintain semantic memory. Each encounter with a word in its context strengthens its semantic connections and anchors it more firmly in the network. Crosswords, Scrabble, anagrams, and definition games also intensely engage lexical semantic memory.<\/pee>\n<pee>For adults seeking structured and progressive training, the application <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\"><strong>CLINT<\/strong><\/a> offers language, vocabulary, and categorization exercises suitable for active adults as well as those in rehabilitation after a Stroke or aphasia.<\/pee>\n<h3>For Seniors: Semantic Stimulation in Daily Life<\/h3>\n<pee>Semantic stimulation does not need to be formalized to be effective. Naming everyday objects, describing what one sees, telling a story, discussing current events, playing board games involving vocabulary \u2014 all these activities keep semantic networks active. For seniors with cognitive difficulties, the application <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/scarlett-brain-games-for-seniors\/\" target=\"_blank\"><strong>SCARLETT<\/strong><\/a> offers tailored exercises integrating object recognition tasks, categorization, and vocabulary, in a simplified and supportive interface.<\/pee>\n<h3>In the Context of Speech Therapy Rehabilitation<\/h3>\n<pee>The rehabilitation of semantic disorders is part of a comprehensive speech therapy approach, particularly in post-Stroke aphasia and semantic dementia. The most commonly used techniques include semantic processing of words (describing, categorizing, associating the target word), reactivating the properties of concepts (tactile, visual, functional), the gestural approach (associating a gesture with a word to enhance encoding), and stimulating object memory from different sensory modalities.<\/pee>\n<pee>For healthcare professionals supporting these patients, the <a href=\"https:\/\/www.dynseo.com\/nos-outils\/fiche-suivi-seance\/\" target=\"_blank\"><strong>DYNSEO session tracking sheet<\/strong><\/a> allows for documenting the exercises performed, the words worked on, and the progress observed from session to session \u2014 a valuable aid for structuring rehabilitation and assessing its effectiveness. <a href=\"https:\/\/www.dynseo.com\/en\/our-training-courses\/\" target=\"_blank\"><strong>DYNSEO training<\/strong><\/a> on adult neurological disorders provides an in-depth understanding for practitioners.<\/pee>\n<h2>Semantic Memory and Aging: What Changes, What Persists<\/h2>\n<pee>One of the most remarkable characteristics of semantic memory is its relative stability in normal cognitive aging. Unlike episodic memory (which begins to decline significantly around 60-65 years) and working memory (which gradually declines from age 30), semantic memory can be maintained \u2014 or even enriched \u2014 well beyond age 60.<\/pee>\n<h3>What Persists and What Changes<\/h3>\n<div class=\"method-card blue\">\n<div class=\"method-badge badge-blue\">\u2705 What is maintained<\/div>\n<h4>Long-established general knowledge<\/h4>\n<pee>The stock of knowledge accumulated over the decades \u2014 historical facts, general scientific knowledge, passive vocabulary, implicit grammar rules \u2014 is generally very well preserved in normal aging, and can even be enriched with life experience and maintained intellectual curiosity.<\/pee>\n    <\/div>\n<div class=\"method-card rose\">\n<div class=\"method-badge badge-rose\">\u26a0\ufe0f What can change<\/div>\n<h4>Access speed to the lexicon and naming<\/h4>\n<pee>What declines with age is not so much the stock of knowledge but the <em>speed and fluency<\/em> of accessing it. &#8220;Words on the tip of the tongue&#8221; become more frequent. Naming images may be a bit slower. Categorical fluency may slightly decrease. These changes are normal and distinct from pathological semantic disorders \u2014 they do not actually disrupt daily communication.<\/pee>\n    <\/div>\n<div class=\"tip-box\">\n<h4>\ud83d\udca1 Maintaining semantic memory as we age<\/h4>\n<pee>Continuing to learn is key. Reading on various topics, learning new words, taking courses or attending lectures, engaging in intellectually stimulating activities (board games, debates, learning a language) \u2014 all these activities keep semantic networks active and continuously enrich the knowledge base. Intellectual curiosity is the best gym for semantic memory.<\/pee>\n    <\/div>\n<h2>Semantic memory and episodic memory: a complex relationship<\/h2>\n<pee>Tulving long argued that semantic memory and episodic memory were two entirely distinct systems. Subsequent research has nuanced this view: the two systems are actually closely linked and constantly interact. Any new semantic knowledge is first encoded as an autobiographical episode (I learned this fact in this book, on that day). Over time and with repetition, the episodic context fades and the knowledge becomes &#8220;purely semantic&#8221; \u2014 one knows without remembering having learned. This process of &#8220;semanticization&#8221; is at the heart of long-term learning.<\/pee>\n<div class=\"faq-item\">\n<h4>What is the difference between semantic memory and lexical memory?<\/h4>\n<pee>Lexical memory \u2014 sometimes called &#8220;mental lexicon&#8221; \u2014 is a sub-component of semantic memory specifically dedicated to words: their phonological form (how they sound), their orthographic form (how they are written), and their meaning. Semantic memory is broader: it includes concepts, relationships between concepts, properties of objects and entities \u2014 even when these cannot be verbally named.<\/pee>\n    <\/div>\n<div class=\"faq-item\">\n<h4>Can one lose the meaning of a word while still knowing how to pronounce it?<\/h4>\n<pee>Yes \u2014 and this is one of the most striking phenomena of semantic disorders. In semantic dementia or certain aphasias, individuals may correctly read words that they no longer understand. This illustrates the possible dissociation between the phonological representation of a word (its &#8220;sound form&#8221;) and its semantic representation (its meaning) \u2014 two components of the mental lexicon that can be selectively affected.<\/pee>\n    <\/div>\n<div class=\"faq-item\">\n<h4>Can semantic memory exercises help in case of aphasia?<\/h4>\n<pee>Yes \u2014 semantic stimulation exercises are part of the rehabilitation approaches for aphasia. Semantic treatment (describing, categorizing, associating target words rather than learning them by repetition) has proven effective in improving naming and enriching understanding. These exercises are usually conducted by a speech therapist, with possible support through applications like <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\"><strong>CLINT<\/strong><\/a> for home exercises.<\/pee>\n    <\/div>\n<div class=\"faq-item\">\n<h4>How to distinguish an age-related semantic disorder from a pathological disorder?<\/h4>\n<pee>In normal aging: difficulties mainly concern the speed of access to the lexicon (&#8220;words on the tip of the tongue&#8221;), are compensated by other strategies (paraphrase, gesture), and do not disrupt daily communication. In pathological disorders: difficulties are more severe, progressive, affect common and simple words, are accompanied by semantic confusions, and interfere with communication. In case of persistent doubt, a neuropsychological evaluation is indicated. The <a href=\"https:\/\/www.dynseo.com\/en\/executive-function-testing\/\" target=\"_blank\"><strong>DYNSEO executive functions test<\/strong><\/a> can complement the overall cognitive evaluation.<\/pee>\n    <\/div>\n<div class=\"conclusion\">\n<h2>Conclusion: semantic memory, a treasure to cultivate throughout life<\/h2>\n<pee>Semantic memory is one of the richest and most resilient memory systems that the human brain possesses. Its organization in a network of interconnected knowledge allows it to continuously enrich itself \u2014 and to partially reorganize after an injury. Understanding how it works enables better support for individuals with semantic disorders and adopting the most effective practices to keep it healthy at any age.<\/pee>\n        <pee>To assess your memory and explore your cognitive profile, check out our <a href=\"https:\/\/www.dynseo.com\/en\/memory-test\/\" target=\"_blank\"><strong>memory test<\/strong><\/a> and our <a href=\"https:\/\/www.dynseo.com\/en\/our-tests\/\" target=\"_blank\"><strong>other cognitive tests<\/strong><\/a>. And for structured training, discover our applications <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\">CLINT<\/a> and <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/scarlett-brain-games-for-seniors\/\" target=\"_blank\">SCARLETT<\/a>.<\/pee>\n    <\/div>\n<\/div>\n<footer class=\"article-footer\">\n<h3>DYNSEO resources for semantic memory<\/h3>\n<div class=\"footer-links\">\n        <a href=\"https:\/\/www.dynseo.com\/en\/memory-test\/\" target=\"_blank\">Memory test<\/a><br \/>\n        <a href=\"https:\/\/www.dynseo.com\/en\/executive-function-testing\/\" target=\"_blank\">Executive functions test<\/a><br \/>\n        <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\">CLINT (adults)<\/a><br \/>\n        <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/scarlett-brain-games-for-seniors\/\" target=\"_blank\">SCARLETT (seniors)<\/a><br \/>\n        <a href=\"https:\/\/www.dynseo.com\/nos-outils\/fiche-suivi-seance\/\" target=\"_blank\">Follow-up sheet<\/a><br \/>\n        <a href=\"https:\/\/www.dynseo.com\/en\/our-training-courses\/\" target=\"_blank\">Professional training<\/a>\n    <\/div>\n<\/footer>\n<\/article>\n<\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n<p>[et_pb_code]<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Qu'est-ce que la m\u00e9moire s\u00e9mantique ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La m\u00e9moire s\u00e9mantique est un syst\u00e8me de m\u00e9moire qui stocke les connaissances g\u00e9n\u00e9rales sur le monde, les mots et les concepts. Elle contient des informations comme le fait que la Tour Eiffel se trouve \u00e0 Paris ou que l'eau bout \u00e0 100\u00b0C. Ce concept a \u00e9t\u00e9 formalis\u00e9 par le psychologue canadien Endel Tulving en 1972.\"}},{\"@type\":\"Question\",\"name\":\"Quelle est la diff\u00e9rence entre m\u00e9moire s\u00e9mantique et m\u00e9moire \u00e9pisodique ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La m\u00e9moire \u00e9pisodique stocke les souvenirs d'\u00e9v\u00e9nements personnels v\u00e9cus (ce qui m'est arriv\u00e9, quand, o\u00f9), tandis que la m\u00e9moire s\u00e9mantique stocke les connaissances g\u00e9n\u00e9rales sur le monde, ind\u00e9pendamment du contexte personnel d'apprentissage.\"}},{\"@type\":\"Question\",\"name\":\"Combien de mots sont stock\u00e9s dans le lexique mental d'un adulte ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Un adulte cultiv\u00e9 poss\u00e8de environ 50 000 mots stock\u00e9s dans son lexique mental, constituant l'essentiel de sa m\u00e9moire s\u00e9mantique verbale.\"}},{\"@type\":\"Question\",\"name\":\"La m\u00e9moire s\u00e9mantique est-elle affect\u00e9e par le vieillissement ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Non, la m\u00e9moire s\u00e9mantique r\u00e9siste bien au vieillissement normal et reste relativement stable. C'est l'une de ses caract\u00e9ristiques cl\u00e9s qui la distingue d'autres types de m\u00e9moire.\"}},{\"@type\":\"Question\",\"name\":\"Quel pourcentage de patients apr\u00e8s un AVC pr\u00e9sente des troubles du vocabulaire ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Environ 30% des patients apr\u00e8s un AVC pr\u00e9sentent des difficult\u00e9s de r\u00e9cup\u00e9ration du vocabulaire, un trouble appel\u00e9 anomie, qui affecte la m\u00e9moire s\u00e9mantique.\"}},{\"@type\":\"Question\",\"name\":\"Qu'est-ce que l'anomie ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L'anomie est un trouble de la r\u00e9cup\u00e9ration du vocabulaire qui peut survenir apr\u00e8s un AVC. Elle se caract\u00e9rise par des difficult\u00e9s \u00e0 retrouver et utiliser les mots appropri\u00e9s, affectant ainsi la m\u00e9moire s\u00e9mantique.\"}}]}<\/script>[\/et_pb_code]<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":410101,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"[et_pb_section fb_built=\"1\" admin_label=\"Article HTML\" _builder_version=\"4.16\" custom_padding=\"0px||0px||false|false\" global_colors_info=\"{}\"][et_pb_row admin_label=\"Contenu\" _builder_version=\"4.16\" width=\"100%\" max_width=\"100%\" custom_padding=\"0px||0px||false|false\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.16\" global_colors_info=\"{}\"][et_pb_code admin_label=\"HTML import\u00e9\" _builder_version=\"4.16\" global_colors_info=\"{}\"]<style type=\"text\/css\">\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Montserrat:wght@600;700;800&family=Poppins:wght@400;500;600&display=swap');\n        * { margin: 0; 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}\n.dbi-art-286e26 .article-footer { text-align: center; padding: 50px 20px; background: linear-gradient(135deg, #5e5ed7 0%, #5268c9 100%); color: white; border-radius: 30px 30px 0 0; margin-top: 60px; }\n.dbi-art-286e26 .article-footer h3 { font-family: 'Montserrat', sans-serif; color: white; margin-bottom: 20px; }\n.dbi-art-286e26 .article-footer a { color: #ffeca7; text-decoration: none; font-weight: 600; }\n.dbi-art-286e26 .footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 15px; }\n.dbi-art-286e26 .faq-item { background: white; border-radius: 15px; padding: 25px 30px; margin: 15px 0; box-shadow: 0 3px 15px rgba(94,94,215,0.08); border-left: 4px solid #a9e2e4; }\n.dbi-art-286e26 .faq-item h4 { font-family: 'Montserrat', sans-serif; color: #5e5ed7; margin-bottom: 12px; font-size: 1.05rem; }\n.dbi-art-286e26 .faq-item p { margin: 0; color: #555; }\n.dbi-art-286e26 a { color: #5e5ed7; }\n@media (max-width: 768px) {\n.dbi-art-286e26 .article-header h1 { font-size: 1.8rem; }\n.dbi-art-286e26 .stats-grid { grid-template-columns: 1fr; }\n.dbi-art-286e26 .benefits-grid { grid-template-columns: 1fr; }\n.dbi-art-286e26 .article-header { padding: 40px 15px; }\n.dbi-art-286e26 .container { padding: 15px; }\n.dbi-art-286e26 h2 { font-size: 1.5rem; }\n.dbi-art-286e26 .comparison-table { font-size: 0.9rem; }\n}\n\n<\/style>\n<div class=\"dbi-art-286e26\">\n<article>\n    <header class=\"article-header\">\n        <div class=\"article-category\">\ud83d\udcda Memory &amp; Language<\/div>\n        <h1>Semantic Memory: Role, Disorders, and Stimulation Exercises<\/h1>\n        <p class=\"subtitle\">What is semantic memory, how does it differ from other memory systems, what disorders can affect it, and how can it be effectively stimulated?<\/p>\n    <\/header>\n\n<div class=\"container\">\n\n    <div class=\"intro-paragraph\">\n        When you know that the Eiffel Tower is in Paris, that water boils at 100\u00b0C, or that the heart is a muscle \u2014 you are using your semantic memory. It is this vast reservoir of general knowledge about the world, words, and concepts that we use every moment without even thinking about it. Semantic memory is one of the richest and most fascinating dimensions of human cognition \u2014 and one of the least known to the general public. This comprehensive guide explains how it works, the pathologies that can affect it, and strategies to stimulate and preserve it.\n    <\/div>\n\n    <div class=\"stats-grid\">\n        <div class=\"stat-card\">\n            <span class=\"stat-number\">~50,000<\/span>\n            <div class=\"stat-label\">words stored in the mental lexicon of a cultured adult \u2014 the essence of semantic memory<\/div>\n        <\/div>\n        <div class=\"stat-card\">\n            <span class=\"stat-number\">30 %<\/span>\n            <div class=\"stat-label\">of patients after a Stroke have difficulties retrieving vocabulary (anomia)<\/div>\n        <\/div>\n        <div class=\"stat-card\">\n            <span class=\"stat-number\">\u00b1 stable<\/span>\n            <div class=\"stat-label\">semantic memory resists normal aging well \u2014 it is one of its key characteristics<\/div>\n        <\/div>\n    <\/div>\n\n    <h2>Definition: What is semantic memory?<\/h2>\n\n    <p>Semantic memory was formalized as a concept by Canadian psychologist Endel Tulving in 1972, who distinguished it from episodic memory. While episodic memory stores memories of personal events experienced (what happened to me, when, where), semantic memory stores general knowledge about the world \u2014 regardless of the context in which it was acquired.<\/p>\n\n    <p>When you know that cats are mammals, that World War II took place in the 20th century, or that \"table\" refers to a piece of furniture with a flat surface on legs \u2014 you generally have no memory of the exact moment when you learned this information. They are part of your base of general knowledge, encoded without autobiographical context. This is the essence of semantic memory.<\/p>\n\n    <h3>Semantic memory and episodic memory: fundamental differences<\/h3>\n\n    <table class=\"comparison-table\">\n        <thead>\n            <tr>\n                <th>Characteristic<\/th>\n                <th>Episodic Memory<\/th>\n                <th>Semantic Memory<\/th>\n            <\/tr>\n        <\/thead>\n        <tbody>\n            <tr>\n                <td><strong>Content<\/strong><\/td>\n                <td>Personal events experienced (\"I visited this museum last month\")<\/td>\n                <td>General knowledge (\"this museum contains works from the 17th century\")<\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Context<\/strong><\/td>\n                <td>Specific: when, where, with whom<\/td>\n                <td>Timeless: no acquisition context needed<\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Consciousness<\/strong><\/td>\n                <td>\"I remember\" \u2014 reliving the past<\/td>\n                <td>\"I know\" \u2014 knowledge without reliving<\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Aging<\/strong><\/td>\n                <td>Notable decline from 60-65 years (especially for recent events)<\/td>\n                <td>Relatively stable, can enrich until 60-70 years<\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Alzheimer's (onset)<\/strong><\/td>\n                <td>Early and marked impairment<\/td>\n                <td>Better preserved in mild stages<\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n\n    <h2>Organization and structure of semantic memory<\/h2>\n\n    <p>Semantic memory is not a simple dictionary where knowledge would be stored alphabetically or randomly. It is organized into networks of concepts linked together by semantic connections \u2014 relationships of meaning (category, property, association, opposition). This network organization explains several well-known phenomena of daily life.<\/p>\n\n    <h3>Semantic networks and spreading activation<\/h3>\n\n    <p>When you think of the word \"dog,\" associated concepts automatically activate in your semantic memory \u2014 \"cat,\" \"animal,\" \"bark,\" \"fur,\" \"bone,\" even images or emotions associated with experiences with dogs. This is the phenomenon of <strong>spreading activation<\/strong>: activating one concept automatically activates the concepts related to it in the semantic network, facilitating their retrieval.<\/p>\n\n    <p>This phenomenon explains why certain retrieval strategies work well (starting from a nearby concept to retrieve a forgotten word), and why semantic cues accelerate lexical processing.<\/p>\n\n<\/div>\n<\/article>\n<\/div>\n<div class=\"highlight-box\">\n        <h4>\ud83d\udd78\ufe0f Semantic memory as a network of meanings<\/h4>\n        <p>Imagine semantic memory as a vast network where each node is a concept and each link is a semantic relationship. \"Apple\" is connected to \"fruit,\" \"red,\" \"green,\" \"Granny Smith,\" \"pie,\" \"vitamin C,\" \"bite,\" \"Adam and Eve\"\u2026 These links are not fixed once and for all: they enrich with experience and learning, and they can be restructured after a brain injury or impoverished in certain diseases.<\/p>\n    <\/div>\n\n    <h3>Organization by categories and properties<\/h3>\n\n    <p>Neuropsychology has shown that concepts are organized not only by free associations but also by natural categories (animals, objects, people, foods\u2026) and by shared properties (living\/non-living, mobile\/static, natural\/artificial). This organization is reflected in brain structure: lesions in specific brain regions can cause category-specific semantic deficits \u2014 for example, a person who can no longer name animals but perfectly recognizes manufactured objects, or the reverse.<\/p>\n\n    <h2>The neural bases of semantic memory<\/h2>\n\n    <p>Unlike episodic memory, which heavily depends on the hippocampus, semantic memory is distributed across a much larger cortical network. The lateral temporal regions \u2014 particularly the left lateral temporal cortex \u2014 play a central role in the storage and retrieval of vocabulary and conceptual knowledge. The prefrontal regions contribute to the controlled retrieval of semantic information. The parietal regions integrate the sensorimotor properties of concepts.<\/p>\n\n    <p>This distribution explains two important facts. First, semantic memory is robust against localized lesions \u2014 if one area is damaged, others can partially compensate. Second, different types of semantic knowledge can be selectively affected by specific lesions \u2014 hence the category-specific deficits mentioned earlier.<\/p>\n\n    <h2>Semantic memory disorders<\/h2>\n\n    <p>Semantic memory can be affected by many neurological and neurodegenerative pathologies. Understanding these disorders is essential for families and healthcare professionals who support the affected individuals.<\/p>\n\n    <h3>Semantic dementia<\/h3>\n\n    <p>Semantic dementia \u2014 a form of frontotemporal dementia \u2014 is characterized by a progressive and selective degradation of semantic memory, with relatively good preservation of other cognitive functions in the early stages. Affected individuals gradually lose the meaning of words and objects: they may still read aloud words they no longer understand, recognize faces of loved ones without being able to name their professions or relationships, or use an object inappropriately because they have forgotten its function.<\/p>\n\n    <p>This disorder contrasts with Alzheimer's disease, where episodic memory is affected first and semantic memory is initially preserved.<\/p>\n\n    <h3>Semiotic disorders in Alzheimer's disease<\/h3>\n\n    <p>Although episodic memory is the first system affected in Alzheimer's disease, semantic memory gradually deteriorates in moderate and advanced stages. The first manifestations are often difficulties in retrieving proper names (famous people, geographical names), followed by difficulties in naming objects, a depletion of active vocabulary, and confusions between closely related concepts. These disorders are part of the overall clinical picture but deserve specific management.<\/p>\n\n    <h3>Semiotic disorders after Stroke<\/h3>\n\n    <p>Strokes affecting the temporal or parietal regions of the left hemisphere can cause semantic disorders as part of aphasia. The most common form is <strong>anomia<\/strong> \u2014 difficulty in retrieving words \u2014 which can variably affect active vocabulary (the words one wants to say) and passive vocabulary (the words one understands). Speech therapy and cognitive stimulation can promote recovery or compensation for these difficulties.<\/p>\n<div class=\"warning-box\">\n        <h4>\u26a0\ufe0f Semantic disorders: signals to watch for<\/h4>\n        <p>Significant semantic difficulties manifest as: a growing inability to name common objects or known people, confusion between similar concepts (calling a comb a \"brush\"), misunderstanding of frequently used words, a marked impoverishment of vocabulary in production. These signals, if progressive and persistent, deserve a neuropsychological evaluation. The <a href=\"https:\/\/www.dynseo.com\/test-memoire\/\" target=\"_blank\"><strong>DYNSEO memory test<\/strong><\/a> can serve as a first reference, to be supplemented by a specialized consultation.<\/p>\n    <\/div>\n\n    <h3>Semiotic disorders in other pathologies<\/h3>\n\n    <p>Semantic memory difficulties can also appear in confusional syndrome (acute confusion), traumatic brain injury, encephalitis, and certain severe psychiatric illnesses. In each case, management must be tailored to the cause and the specific profile of the disorder.<\/p>\n\n    <h2>How to evaluate semantic memory?<\/h2>\n\n    <p>The evaluation of semantic memory is part of comprehensive neuropsychological assessments. It uses several types of standardized tasks.<\/p>\n\n    <div class=\"method-card blue\">\n        <div class=\"method-badge badge-blue\">\ud83d\udd24 Naming tasks<\/div>\n        <h4>Name images or objects<\/h4>\n        <p>Naming tests (such as the Boston Naming Test or the DO 80) present the subject with images of objects, animals, or people and ask them to name them. They assess access to the lexicon from visual representations \u2014 a task that directly engages semantic memory.<\/p>\n    <\/div>\n\n    <div class=\"method-card teal\">\n        <div class=\"method-badge badge-green\">\ud83d\udcc2 Categorization tasks<\/div>\n        <h4>Classify concepts by categories<\/h4>\n        <p>These tasks ask the subject to group words or images according to categories, or to say if two items belong to the same category. They assess the organizational structure of semantic memory \u2014 the ability to extract and use semantic relationships between concepts.<\/p>\n    <\/div>\n\n    <div class=\"method-card yellow\">\n        <div class=\"method-badge badge-yellow\">\ud83d\udcac Verbal fluencies<\/div>\n        <h4>Produce as many words as possible in a limited time<\/h4>\n        <p>Category fluency tasks require naming as many members of a category (animals, fruits, furniture\u2026) as possible in 1 minute. They assess access to semantic memory and its richness, and are very sensitive to semantic disorders \u2014 individuals with semantic impairments produce few words and make intrusion errors (naming out-of-category items).<\/p>\n    <\/div>\n\n    <h2>Stimulating and rehabilitating semantic memory: practical exercises<\/h2>\n\n    <p>Whether to prevent decline, maintain abilities in the presence of a pathology, or support rehabilitation after a brain injury, many activities can stimulate semantic memory. The most effective exercises are those that actively engage semantic networks \u2014 that force retrieval, manipulation, and elaboration of knowledge, rather than simply listening to or reading passively.<\/p>\n\n    <h3>Fluency and semantic activation exercises<\/h3>\n\n    <div class=\"benefits-grid\">\n        <div class=\"benefit-card\">\n            <div class=\"benefit-icon\">\ud83d\udc3e<\/div>\n            <h4>Category fluencies<\/h4>\n            <p>Name as many members of a category as possible in 1 minute (animals, fruits, professions, sports\u2026). Excellent for activating and maintaining semantic networks.<\/p>\n        <\/div>\n        <div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udd17<\/div>\n            <h4>Guided free associations<\/h4>\n            <p>Starting from a trigger word, chain semantic associations (\"garden \u2192 flowers \u2192 spring \u2192 rain \u2192 umbrella\u2026\"). Stimulates the spread activation in semantic networks.<\/p>\n        <\/div>\n        <div class=\"benefit-card\">\n            <div class=\"benefit-icon\">\ud83c\udfaf<\/div>\n            <h4>Definitions and paraphrases<\/h4>\n            <p>Describe an object or a concept without using the word itself, and have it guessed. Engages the search in the property networks of semantic memory.<\/p>\n        <\/div>\n        <div class=\"benefit-card\">\n<div class=\"benefit-icon\">\u2753<\/div>\n            <h4>General Knowledge Quiz<\/h4>\n            <p>General knowledge quizzes directly activate semantic memory and can be made progressively more difficult to maintain an appropriate level of challenge.<\/p>\n        <\/div>\n    <\/div>\n\n    <h3>Stimulation through Language and Vocabulary<\/h3>\n\n    <p>Regular reading \u2014 especially of varied and demanding texts \u2014 is one of the best ways to enrich and maintain semantic memory. Each encounter with a word in its context strengthens its semantic connections and anchors it more firmly in the network. Crosswords, Scrabble, anagrams, and definition games also intensely engage lexical semantic memory.<\/p>\n\n    <p>For adults seeking structured and progressive training, the application <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\"><strong>CLINT<\/strong><\/a> offers language, vocabulary, and categorization exercises suitable for active adults as well as those in rehabilitation after a Stroke or aphasia.<\/p>\n\n    <h3>For Seniors: Semantic Stimulation in Daily Life<\/h3>\n\n    <p>Semantic stimulation does not need to be formalized to be effective. Naming everyday objects, describing what one sees, telling a story, discussing current events, playing board games involving vocabulary \u2014 all these activities keep semantic networks active. For seniors with cognitive difficulties, the application <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/scarlett-brain-games-for-seniors\/\" target=\"_blank\"><strong>SCARLETT<\/strong><\/a> offers tailored exercises integrating object recognition tasks, categorization, and vocabulary, in a simplified and supportive interface.<\/p>\n\n    <h3>In the Context of Speech Therapy Rehabilitation<\/h3>\n\n    <p>The rehabilitation of semantic disorders is part of a comprehensive speech therapy approach, particularly in post-Stroke aphasia and semantic dementia. The most commonly used techniques include semantic processing of words (describing, categorizing, associating the target word), reactivating the properties of concepts (tactile, visual, functional), the gestural approach (associating a gesture with a word to enhance encoding), and stimulating object memory from different sensory modalities.<\/p>\n\n    <p>For healthcare professionals supporting these patients, the <a href=\"https:\/\/www.dynseo.com\/nos-outils\/fiche-suivi-seance\/\" target=\"_blank\"><strong>DYNSEO session tracking sheet<\/strong><\/a> allows for documenting the exercises performed, the words worked on, and the progress observed from session to session \u2014 a valuable aid for structuring rehabilitation and assessing its effectiveness. <a href=\"https:\/\/www.dynseo.com\/nos-formations\/\" target=\"_blank\"><strong>DYNSEO training<\/strong><\/a> on adult neurological disorders provides an in-depth understanding for practitioners.<\/p>\n\n    <h2>Semantic Memory and Aging: What Changes, What Persists<\/h2>\n\n    <p>One of the most remarkable characteristics of semantic memory is its relative stability in normal cognitive aging. Unlike episodic memory (which begins to decline significantly around 60-65 years) and working memory (which gradually declines from age 30), semantic memory can be maintained \u2014 or even enriched \u2014 well beyond age 60.<\/p>\n\n    <h3>What Persists and What Changes<\/h3>\n\n    <div class=\"method-card blue\">\n<div class=\"method-badge badge-blue\">\u2705 What is maintained<\/div>\n        <h4>Long-established general knowledge<\/h4>\n        <p>The stock of knowledge accumulated over the decades \u2014 historical facts, general scientific knowledge, passive vocabulary, implicit grammar rules \u2014 is generally very well preserved in normal aging, and can even be enriched with life experience and maintained intellectual curiosity.<\/p>\n    <\/div>\n\n    <div class=\"method-card rose\">\n        <div class=\"method-badge badge-rose\">\u26a0\ufe0f What can change<\/div>\n        <h4>Access speed to the lexicon and naming<\/h4>\n        <p>What declines with age is not so much the stock of knowledge but the <em>speed and fluency<\/em> of accessing it. \"Words on the tip of the tongue\" become more frequent. Naming images may be a bit slower. Categorical fluency may slightly decrease. These changes are normal and distinct from pathological semantic disorders \u2014 they do not actually disrupt daily communication.<\/p>\n    <\/div>\n\n    <div class=\"tip-box\">\n        <h4>\ud83d\udca1 Maintaining semantic memory as we age<\/h4>\n        <p>Continuing to learn is key. Reading on various topics, learning new words, taking courses or attending lectures, engaging in intellectually stimulating activities (board games, debates, learning a language) \u2014 all these activities keep semantic networks active and continuously enrich the knowledge base. Intellectual curiosity is the best gym for semantic memory.<\/p>\n    <\/div>\n\n    <h2>Semantic memory and episodic memory: a complex relationship<\/h2>\n\n    <p>Tulving long argued that semantic memory and episodic memory were two entirely distinct systems. Subsequent research has nuanced this view: the two systems are actually closely linked and constantly interact. Any new semantic knowledge is first encoded as an autobiographical episode (I learned this fact in this book, on that day). Over time and with repetition, the episodic context fades and the knowledge becomes \"purely semantic\" \u2014 one knows without remembering having learned. This process of \"semanticization\" is at the heart of long-term learning.<\/p>\n\n    <div class=\"faq-item\">\n        <h4>What is the difference between semantic memory and lexical memory?<\/h4>\n        <p>Lexical memory \u2014 sometimes called \"mental lexicon\" \u2014 is a sub-component of semantic memory specifically dedicated to words: their phonological form (how they sound), their orthographic form (how they are written), and their meaning. Semantic memory is broader: it includes concepts, relationships between concepts, properties of objects and entities \u2014 even when these cannot be verbally named.<\/p>\n    <\/div>\n\n    <div class=\"faq-item\">\n        <h4>Can one lose the meaning of a word while still knowing how to pronounce it?<\/h4>\n        <p>Yes \u2014 and this is one of the most striking phenomena of semantic disorders. In semantic dementia or certain aphasias, individuals may correctly read words that they no longer understand. This illustrates the possible dissociation between the phonological representation of a word (its \"sound form\") and its semantic representation (its meaning) \u2014 two components of the mental lexicon that can be selectively affected.<\/p>\n    <\/div>\n<div class=\"faq-item\">\n        <h4>Can semantic memory exercises help in case of aphasia?<\/h4>\n        <p>Yes \u2014 semantic stimulation exercises are part of the rehabilitation approaches for aphasia. Semantic treatment (describing, categorizing, associating target words rather than learning them by repetition) has proven effective in improving naming and enriching understanding. These exercises are usually conducted by a speech therapist, with possible support through applications like <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\"><strong>CLINT<\/strong><\/a> for home exercises.<\/p>\n    <\/div>\n\n    <div class=\"faq-item\">\n        <h4>How to distinguish an age-related semantic disorder from a pathological disorder?<\/h4>\n        <p>In normal aging: difficulties mainly concern the speed of access to the lexicon (\"words on the tip of the tongue\"), are compensated by other strategies (paraphrase, gesture), and do not disrupt daily communication. In pathological disorders: difficulties are more severe, progressive, affect common and simple words, are accompanied by semantic confusions, and interfere with communication. In case of persistent doubt, a neuropsychological evaluation is indicated. The <a href=\"https:\/\/www.dynseo.com\/test-des-fonctions-executives\/\" target=\"_blank\"><strong>DYNSEO executive functions test<\/strong><\/a> can complement the overall cognitive evaluation.<\/p>\n    <\/div>\n\n    <div class=\"conclusion\">\n        <h2>Conclusion: semantic memory, a treasure to cultivate throughout life<\/h2>\n        <p>Semantic memory is one of the richest and most resilient memory systems that the human brain possesses. Its organization in a network of interconnected knowledge allows it to continuously enrich itself \u2014 and to partially reorganize after an injury. Understanding how it works enables better support for individuals with semantic disorders and adopting the most effective practices to keep it healthy at any age.<\/p>\n        <p>To assess your memory and explore your cognitive profile, check out our <a href=\"https:\/\/www.dynseo.com\/test-memoire\/\" target=\"_blank\"><strong>memory test<\/strong><\/a> and our <a href=\"https:\/\/www.dynseo.com\/nos-tests\/\" target=\"_blank\"><strong>other cognitive tests<\/strong><\/a>. And for structured training, discover our applications <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\">CLINT<\/a> and <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/scarlett-brain-games-for-seniors\/\" target=\"_blank\">SCARLETT<\/a>.<\/p>\n    <\/div>\n\n<\/div>\n\n<footer class=\"article-footer\">\n    <h3>DYNSEO resources for semantic memory<\/h3>\n    <div class=\"footer-links\">\n        <a href=\"https:\/\/www.dynseo.com\/test-memoire\/\" target=\"_blank\">Memory test<\/a>\n        <a href=\"https:\/\/www.dynseo.com\/test-des-fonctions-executives\/\" target=\"_blank\">Executive functions test<\/a>\n        <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/clint-brain-games-for-adults\/\" target=\"_blank\">CLINT (adults)<\/a>\n        <a href=\"https:\/\/www.dynseo.com\/en\/brain-games-apps\/scarlett-brain-games-for-seniors\/\" target=\"_blank\">SCARLETT (seniors)<\/a>\n        <a href=\"https:\/\/www.dynseo.com\/nos-outils\/fiche-suivi-seance\/\" target=\"_blank\">Follow-up sheet<\/a>\n        <a href=\"https:\/\/www.dynseo.com\/nos-formations\/\" target=\"_blank\">Professional training<\/a>\n    <\/div>\n<\/footer>\n<\/article>\n<\/div>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n\n[et_pb_code]<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Qu'est-ce que la m\u00e9moire s\u00e9mantique ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La m\u00e9moire s\u00e9mantique est un syst\u00e8me de m\u00e9moire qui stocke les connaissances g\u00e9n\u00e9rales sur le monde, les mots et les concepts. Elle contient des informations comme le fait que la Tour Eiffel se trouve \u00e0 Paris ou que l'eau bout \u00e0 100\u00b0C. Ce concept a \u00e9t\u00e9 formalis\u00e9 par le psychologue canadien Endel Tulving en 1972.\"}},{\"@type\":\"Question\",\"name\":\"Quelle est la diff\u00e9rence entre m\u00e9moire s\u00e9mantique et m\u00e9moire \u00e9pisodique ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La m\u00e9moire \u00e9pisodique stocke les souvenirs d'\u00e9v\u00e9nements personnels v\u00e9cus (ce qui m'est arriv\u00e9, quand, o\u00f9), tandis que la m\u00e9moire s\u00e9mantique stocke les connaissances g\u00e9n\u00e9rales sur le monde, ind\u00e9pendamment du contexte personnel d'apprentissage.\"}},{\"@type\":\"Question\",\"name\":\"Combien de mots sont stock\u00e9s dans le lexique mental d'un adulte ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Un adulte cultiv\u00e9 poss\u00e8de environ 50 000 mots stock\u00e9s dans son lexique mental, constituant l'essentiel de sa m\u00e9moire s\u00e9mantique verbale.\"}},{\"@type\":\"Question\",\"name\":\"La m\u00e9moire s\u00e9mantique est-elle affect\u00e9e par le vieillissement ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Non, la m\u00e9moire s\u00e9mantique r\u00e9siste bien au vieillissement normal et reste relativement stable. C'est l'une de ses caract\u00e9ristiques cl\u00e9s qui la distingue d'autres types de m\u00e9moire.\"}},{\"@type\":\"Question\",\"name\":\"Quel pourcentage de patients apr\u00e8s un AVC pr\u00e9sente des troubles du vocabulaire ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Environ 30% des patients apr\u00e8s un AVC pr\u00e9sentent des difficult\u00e9s de r\u00e9cup\u00e9ration du vocabulaire, un trouble appel\u00e9 anomie, qui affecte la m\u00e9moire s\u00e9mantique.\"}},{\"@type\":\"Question\",\"name\":\"Qu'est-ce que l'anomie ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L'anomie est un trouble de la r\u00e9cup\u00e9ration du vocabulaire qui peut survenir apr\u00e8s un AVC. Elle se caract\u00e9rise par des difficult\u00e9s \u00e0 retrouver et utiliser les mots appropri\u00e9s, affectant ainsi la m\u00e9moire s\u00e9mantique.\"}}]}<\/script>[\/et_pb_code]","_et_gb_content_width":"","footnotes":""},"categories":[2915],"tags":[],"class_list":["post-549886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-conseils-des-coachs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Semantic Memory: Role, Disorders and Stimulation Exercises | DYNSEO - DYNSEO - Educational apps &amp; brain training apps for all<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dynseo.com\/en\/semantic-memory-role-disorders-and-stimulation-exercises-dynseo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Semantic Memory: Role, Disorders and Stimulation Exercises | DYNSEO - DYNSEO - Educational apps &amp; 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