Improving Working Memory in Students with ADHD

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The transition to middle school is a pivotal step, filled with new challenges. For a teenager with Attention Deficit Hyperactivity Disorder (ADHD), this transition can feel like an obstacle course. Academic demands increase, independence is essential, and one cognitive skill suddenly becomes the cornerstone of success: working memory.

Imagine working memory as a mental post-it note or the RAM of your computer. It is a temporary storage space for processing information. It allows you to hold the beginning of a sentence to understand its end, to follow the steps of a math problem, or to remember an instruction given by a teacher while taking out your notebook. For many middle schoolers with ADHD, this mental post-it is smaller, fades faster, or is constantly bombarded by other information that sticks to it uninvited.

The impact is direct and daily: difficulties in following multiple instructions, frequent forgetfulness of materials, trouble organizing ideas for writing, or feeling constantly "lost" in class. Far from being a sign of laziness or lack of will, this difficulty is a neurological characteristic of ADHD. Fortunately, it is not a fatality. As a parent, teacher, or caregiver, you can implement a multitude of concrete strategies to help the young person strengthen and work around their working memory weaknesses. This article proposes to explore pragmatic and effective pathways to build bridges where memory falters.

Before seeking solutions, it is essential to clearly define the problem. Working memory is not simply about "remembering." It is an active system, a true mental workshop where information is not only held for a short moment but also sorted, organized, and used to accomplish a task.

What is working memory, concretely?

This complex cognitive system is divided into two main components. On one hand, there is short-term storage: the ability to keep information accessible for a few seconds. On the other hand, there is processing: the ability to manipulate that information. It is the combination of the two that makes it so crucial.

Let's take a simple example. Your middle schooler needs to solve the following mental calculation: (7 x 8) + 5. Their working memory must first hold the entire calculation. Then, it must isolate "7 x 8," find the result (56), temporarily store it, then retrieve the "+ 5" and perform the final addition to arrive at 61. Each step requires this mental space. If any information evaporates along the way, the entire process collapses. Similarly, when a teacher says: "Take out your book on page 84, read the first paragraph, and underline the verbs in the future tense," the working memory must hold the three instructions in the correct order while the student executes the first one.

Why does ADHD affect this memory?

ADHD is a disorder of executive functions, the "conductor" of the brain that manages planning, organization, inhibition, and attention. Working memory is one of these central executive functions. Several factors explain this fragility:

  • Attention deficit: For information to enter working memory, one must first pay attention to it. A young person's brain with ADHD struggles to filter distractions. The noise of the radiator, a classmate moving, a stray thought... Everything can come and "crush" the important information trying to register on the mental post-it.
  • Difficulties with inhibition: The brain struggles to inhibit irrelevant information. The mental workshop is cluttered with unnecessary tools and materials, leaving little room for the task at hand.
  • Fluctuation of alertness: Concentration is not constant. Information may be well encoded but "evaporate" a second later during a micro-release of attention.

For the middle schooler, the result is a constant source of frustration. They feel like they are listening, wanting to do well, but the information slips through their fingers like water.

Organization and Environment Strategies

Since internal working memory is fragile, the first line of defense is to "externalize" memory. This involves creating an environment that requires less mental effort to remember things, thus freeing up valuable cognitive resources for learning.

The importance of a predictable and structured environment

A chaotic workspace is a true poison for working memory. Every randomly placed object is a visual piece of information that the brain must process and ignore, consuming energy. To help your middle schooler, the goal is to make their environment as "quiet" as possible cognitively.

This involves creating a dedicated homework corner, always the same. Ideally, it will be uncluttered, with only the necessary materials within reach. A pencil holder, a binder, sheets: everything must have an assigned place. When the young person instinctively knows where to find their things, they do not have to expend mental energy searching for them, a task that can be enough to make them forget the initial instruction. Routine is the best ally of memory. Doing homework at the same time, preparing their bag the night before according to a precise list... These habits reduce mental load and create a reassuring framework.

Making information visible and accessible

Do not ask the teenager to keep everything in their head. Use external supports to store information. The goal is to transform the environment into a second brain, reliable and always available.

A large whiteboard or corkboard in their room is a fantastic tool. You can display the schedule, upcoming test dates, a list of tasks for the week, or "reminders" for long-term projects. Using color codes is particularly effective: one color per subject (blue notebook, blue binder, blue highlighters for mathematics, for example). This visual association helps categorize and retrieve information more quickly. Checklists are also very powerful. To prepare their bag, for the steps of an assignment, or for the morning routine, a list breaks down a complex task into a series of simple, verifiable actions, which greatly relieves working memory.

The wise use of technology

Technology, often seen as a source of distraction, can become a very effective cognitive prosthesis if used well. The middle schooler's smartphone can be configured to help them. Use the calendar app to note assignments and due dates, with reminder alarms. To-Do list apps allow for the creation of digital task lists. The "voice recorder" function can be used to record a complex instruction given orally by a teacher (with their consent) to listen to it calmly at home. The idea is to delegate to the machine the function of "remembering to remember."

Cognitive and Pedagogical Techniques



Memory improvement

Alongside organizing the environment, we can act directly on how information is processed and learned. These techniques help the young person better "encode" information so that it anchors more solidly in their memory.

Breaking it down to reign: task segmentation

Faced with a task that seems like a mountain, such as "writing an essay on the French Revolution," working memory is immediately saturated and the brain may go into "avoidance" mode. The segmentation technique, or "chunking," involves breaking this mountain into a series of small pebbles.

Instead of a single vague instruction, we define clear micro-steps:

  1. Find 3 main ideas on the topic.
  2. For each idea, look for 2 concrete examples from the course.
  3. Write the introduction.
  4. Write the paragraph for the first idea.
  5. Etc.

Each step is a victory that motivates for the next. This method reduces the feeling of being overwhelmed and allows working memory to focus on one manageable piece of information at a time. It is a fundamental principle to apply to all long assignments.

Repeating and rephrasing to anchor information

For information to move from working memory to long-term memory, it must be actively processed. Simply passively listening is often insufficient. Encourage the middle schooler to become an active participant in their learning.

A very simple technique is rephrasing. After receiving an instruction, ask them to repeat it in their own words: "So, if I understood correctly, I need to read the text, find the author's arguments, and write a short summary?" This process forces their brain to take ownership of the information, to manipulate it, which strengthens its memory trace. Verbalization is also a powerful tool. Encouraging them to think aloud when solving a problem or learning a lesson keeps the information active in their working memory loop.

Using multisensory supports

The more senses you associate with learning, the more "paths" to access information are created in the brain. Do not limit yourself to reading or listening. Engage sight, touch, and movement.

Mind mapping is an excellent example. Instead of a linear list of notes, the young person organizes ideas visually, with colors, drawings, and branches. This method engages visual-spatial memory and helps see the logical links between concepts. To learn vocabulary, they can use flashcards, writing the word on one side and its definition or a drawing on the other. The simple act of handling the cards aids memorization. For history or science lessons, watching documentaries, building a model, or miming an event can transform an abstract concept into a concrete and memorable experience.

Strengthening Working Memory through Play and Training

Even though working memory has an innate component, it can, like a muscle, be trained and strengthened through regular exercises. The advantage is that this training can often take a playful form.

Board games: playful training

Many board games are fantastic exercises for working memory, without appearing to be so. Card games like "Memory" or "Uno" require remembering the played cards. Strategy games like chess, checkers, or more modern games like "Catan" require keeping track of one's own goals, those of opponents, and the rules of the game. Observation and speed games like "Dobble" or "Jungle Speed" train the speed of processing visual information. The classic "Memory" game, where you have to find pairs, is a direct exercise for visual-spatial working memory. Incorporating a family game night once a week is a pleasant and effective way to stimulate these skills.

Everyday activities to strengthen memory

There is no need to buy sophisticated games. Everyday life is full of opportunities to exercise working memory. While grocery shopping, ask your middle schooler to remember a small list of 4 or 5 items. While cooking together, ask them to remind you of the next step in the recipe without looking at the book. After watching a movie, ask them to recount the story in order, providing as many details as possible. These small challenges, presented in a light tone, are short but repeated brain workouts.

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Lifestyle: the Fuel for the Brain

All the strategies in the world will be less effective if the foundations are not solid. The brain is an organ that has physiological needs. A good lifestyle is absolutely fundamental to optimize cognitive functions, especially for a brain with ADHD.

Sleep: the great cleaner of memory

Sleep is far from a period of inactivity for the brain. It is during the night that it sorts, consolidates the day's learning, and "cleans" the metabolic waste accumulated. A teenager needs 8 to 10 hours of sleep per night. Chronic sleep deprivation has a devastating effect on executive functions. It exacerbates ADHD symptoms, reduces attention capacity, and further weakens an already fragile working memory. Imagine trying to operate a complex computer that hasn't been restarted for days: it is slow, it "bugs," it is ineffective. The brain needs this nightly restart. Establishing a regular bedtime routine, without screens at least an hour before sleeping, is crucial.

Physical activity: oxygenating the brain

Physical exercise is one of the most effective non-medication treatments for ADHD. Regular physical activity, even moderate like 30 minutes of brisk walking or cycling, increases blood flow to the brain and stimulates the production of neurotransmitters like dopamine and norepinephrine, which are directly involved in attention and concentration. A short active break of 10-15 minutes (a few jumps, a quick run in the garden) before starting homework can make a significant difference in the young person's ability to concentrate and mobilize their working memory.

In conclusion, supporting a middle schooler with ADHD to improve their working memory is not a quest for a miracle solution, but rather the patient construction of a personalized "toolbox." It is a holistic approach that combines environmental adjustments, the adoption of smart learning techniques, playful training, and a healthy lifestyle. Each strategy is a crutch that supports the failing memory, thus freeing the intellectual potential and creativity of the teenager. Your role is to provide them with these tools, teach them how to use them, and, above all, to show patience and encouragement. Because by helping them navigate the challenges of their working memory, you are not only helping them achieve better grades; you are giving them the keys to autonomy and self-confidence for their entire life.



The article "Improving Working Memory in Middle Schoolers with ADHD" explores strategies to help young people with ADHD strengthen their working memory. A related article that may also interest you is Art therapy for seniors: awaken your elderly relatives' creativity. Although this article focuses on the elderly, it highlights the importance of cognitive stimulation and creativity, elements that can also be beneficial for middle schoolers with ADHD.

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