Exclusive interview with Anne-Sophie Rigaud: Innovation and digitization in cognitive health

1. Portrait of a pioneer: Anne-Sophie Rigaud and innovation in geriatrics

Professor Anne-Sophie Rigaud embodies the excellence of French geriatric medicine. Professor of geriatric medicine at the University of Paris-Descartes, she leads the geriatrics department at Broca Hospital and co-hosts the Memory Resource and Research Center for Alzheimer's disease in Île-de-France. Her exceptional career has led her to the direction of the university research unit EA 4468 "Alzheimer's disease: Risk factors, care, and support for patients and families".

Her innovative approach to geriatrics revolves around a holistic vision of the elderly patient, integrating the latest technological advancements in the service of personalized medicine. This philosophy has naturally led her to a fruitful collaboration with DYNSEO, a French company specializing in digital cognitive stimulation.

Professor Rigaud's expertise extends well beyond the walls of the hospital. She actively participates in clinical and fundamental research, regularly publishing in the most prestigious international scientific journals. Her commitment to improving the quality of life for patients with cognitive disorders makes her an essential reference in the field.

2. The BROCA-LUSAGE ecosystem: A model of innovation in health

The BROCA-LUSAGE institution represents a unique model in France, articulating three essential components: Broca Hospital, the LUSAGE laboratory, and CEN STIMCO. This tripartite structure promotes an integrated approach to research, care, and technological innovation. The LUSAGE laboratory (Laboratory of Use and Services for Autonomy and the Elderly) is the scientific heart of this organization, developing applied research directly transferable to clinical practice.

The innovation strategy of BROCA-LUSAGE is based on several fundamental pillars. The Living Lab adopts a user-centered approach, whether they are patients, families, or healthcare professionals. This participatory methodology ensures that the innovations developed effectively meet the expectations of the field and naturally integrate into existing practices.

The multidisciplinary approach is another major asset of this organization. By bringing together doctors, researchers, engineers, ergonomists, and end users, BROCA-LUSAGE creates an environment conducive to the emergence of disruptive innovations. This diversity of skills allows for addressing health challenges from all angles, from fundamental research to clinical implementation.

3. Genesis and evolution of DYNSEO collaboration projects

The collaboration between BROCA-LUSAGE and DYNSEO has its roots in a convergence of scientific and clinical interests. For many years, Professor Rigaud's team has been working on the early diagnosis of cognitive disorders and the development of innovative psychosocial interventions. This recognized expertise in neuropsychological assessment has naturally directed the team towards the digitization of diagnostic tools.

The first collaborative project aimed at digitizing a complete battery of cognitive tests. Funded by the Île-de-France region, this ambitious project addressed a major clinical need: to have more accessible, standardized diagnostic tools that allow for richer data collection. The goal was to transform traditional paper-and-pencil tests into interactive digital tools while maintaining their scientific validity.

The second project, with a different but complementary approach, focused on the early detection of cognitive impairments through the analysis of performance in cognitive stimulation games. This initiative, led by Philippe de Normandie from the KORIAN group and funded by the CNSA, explored the possibilities offered by DYNSEO's Stim'Art program to identify weak signals of cognitive decline.

4. The E-tests Project: Revolutionizing Digital Cognitive Diagnosis

The E-tests project represents a major advance in the modernization of cognitive assessment tools. The ambitious goal was to create a digital test specifically evaluating executive functions, a crucial area in the early diagnosis of neurocognitive disorders. This pioneering project required the creation from scratch of an innovative cognitive test: the CT (Cognitive Test), specially designed for the digital environment.

The first crucial step involved the theoretical design of the test, relying on the latest knowledge in neuropsychology and cognitive sciences. The research team meticulously defined the parameters to be evaluated, the testing modalities, and the performance criteria. This phase of technical specification required several months of collaborative work between clinicians and developers.

The development of the initial prototype marked a decisive step. DYNSEO transformed the clinical specifications into an intuitive digital interface, respecting the ergonomic constraints specific to elderly people. Usability tests quickly revealed the importance of adapting the interface to the visual and motor capabilities of the target users.

The clinical validation phase involved 450 users, thus constituting one of the largest validation cohorts for a tool of this type in France. This large-scale study established the reference standards and demonstrated the diagnostic validity of the digitized test.

5. Stim'Art and Early Detection: Innovation in Nursing Home

The second collaborative project explored a revolutionary approach: using performance data in cognitive games to detect early signs of cognitive decline. This visionary initiative, supported by Philippe de Normandie from the KORIAN group, opened new perspectives in cognitive monitoring in medical-social establishments.

The working hypothesis was based on the fine analysis of performance patterns in cognitive stimulation activities. Subtle variations in reaction times, response accuracy, or problem-solving strategies could reveal cognitive alterations even before their obvious clinical manifestation. This preventive approach represented a major paradigm shift.

However, the feasibility phase revealed unexpected challenges. In Nursing homes, cognitive stimulation activities mostly take place in groups, making individual performance attribution complex. This reality on the ground required significant methodological adaptation, directing the study towards the homes of individuals with few cognitive disorders.

This methodological adaptation ultimately enriched the study, allowing for the exploration of the autonomous use of digital tools at home. The results obtained confirmed the potential of this approach for early screening, while highlighting the importance of adapting tools to different usage contexts.

6. Operational Challenges and Collaborative Solutions

The collaboration between BROCA-LUSAGE and DYNSEO has remarkably worked well operationally. Professor Rigaud particularly highlights the excellent responsiveness of DYNSEO, a key factor in the smoothness of daily exchanges. This responsiveness has manifested itself through a rapid adaptability to requests for changes, transparent communication, and constant availability of the technical teams.

The iterative working method adopted has proven to be particularly effective. Each feedback from clinicians was quickly integrated into the new versions of the prototypes, allowing for a gradual refinement of the tools. This agile approach, inspired by software development methodologies, has significantly accelerated the validation and improvement process.

The complementary expertise of both teams has created remarkable synergy. On one side, the BROCA-LUSAGE team brought its clinical expertise, knowledge of field needs, and methodological rigor. On the other side, DYNSEO contributed with its technological know-how, capacity for innovation, and experience in developing cognitive stimulation applications.

7. Administrative obstacles and lessons learned

Despite the excellence of operational collaboration, the project faced considerable administrative challenges. The establishment of a collaboration agreement between BROCA-LUSAGE and DYNSEO proved particularly complex, requiring a full year's time. This duration, although frustrating, reflects the administrative reality of public-private collaborations in the health sector.

The intervention of the OTTPI (Office for Technology Transfer Paris Innove) was crucial for navigating this administrative complexity. This specialized structure secured the collaboration legally while protecting the interests of each party. Its expertise in technology transfer and intellectual property facilitated the drafting of balanced agreements.

These administrative difficulties revealed the importance of anticipation in collaborative projects. Professor Rigaud now recommends initiating administrative procedures as soon as the project design phase, alongside technical developments. This approach helps avoid delays and maintain the innovation momentum.

The experience gained from these projects has identified major points of attention for future collaborations. The clear definition of roles and responsibilities, the protection of intellectual property, and the terms of technology transfer must be anticipated from the earliest discussions.

8. Data protection and intellectual property

The issue of protecting personal health data is a major challenge in any clinical research project involving digital tools. DYNSEO has taken care of all necessary legal procedures, including declarations to the CNIL (National Commission for Information Technology and Liberties). This comprehensive management has allowed clinical teams to focus on their areas of expertise.

Compliance with the GDPR (General Data Protection Regulation) required the implementation of strict technical and organizational measures. The server architecture was designed to ensure maximum data security, with advanced encryption protocols and strictly controlled access. This secure approach was essential for processing sensitive health data.

On the side of BROCA-LUSAGE, the developed expertise has led to significant scientific outcomes. Professor Rigaud's team has made this experience available to researchers from the GRECO group (Research Group on Coverage), thus enriching the French research ecosystem in gerontology and cognition.

Scientific valorization has materialized through the completion of a science thesis and the publication of four articles in leading international journals. This scientific output reflects the richness of the collected data and the quality of the analyses conducted. These publications contribute to the advancement of global knowledge on the digitization of cognitive tests.

9. Major lessons and clinical outcomes

The collaborative experience between BROCA-LUSAGE and DYNSEO has generated valuable lessons for the entire health innovation ecosystem. The first major lesson concerns the strategic importance of partnerships with innovative companies. This collaboration allows scientific research to quickly transform into finished products usable by patients and healthcare professionals.

The development and digitization of E-tests represent a major clinical advancement with multiple benefits. These tools allow for early non-invasive diagnosis, particularly valuable in detecting early cognitive disorders. Their adaptability to different environments (medical office, hospital, home) makes them particularly versatile instruments for modern clinical practice.

The customization of tests according to patient characteristics is another major advantage. Digital tools can automatically adapt to the patient's cognitive level, sensory abilities, or preferences, thus providing an optimized assessment experience for each individual.

The responsiveness of the industrial partnership has proven decisive for the project's success. DYNSEO's ability to quickly implement changes requested by the clinical team has allowed for a particularly effective continuous improvement process. This agility is essential in a field where needs evolve rapidly.

10. Recommendations for the Future: Accelerate Innovation

Building on this rich experience, Professor Rigaud makes strategic recommendations to optimize future collaborations between research institutions and innovative companies. The first recommendation concerns the accelerated establishment of framework agreements between the various stakeholders. A framework agreement between CEN STIMCO, AP-HP, and partner companies would significantly streamline future collaborations.

The role of CEN STIMCO as a facilitation unit deserves to be strengthened and generalized. This structure can serve as a model for other institutions wishing to develop effective public-private partnerships. Its expertise in technology transfer and its knowledge of field issues make it a valuable intermediary to accelerate innovation.

Anticipating regulatory aspects must become systematic in project planning. Integrating CNIL, GDPR, and intellectual property constraints from the design stage helps avoid administrative delays that can compromise the innovation dynamic. This proactive approach is now essential in the current regulatory context.

Training research teams on the issues of innovation and technology transfer is a strategic investment. Understanding industrial constraints, intellectual property issues, and valorization mechanisms allows researchers to better anticipate and structure their collaborative projects.

11. Impact of digitization on professional practices

The digitization of cognitive assessment tools profoundly transforms professional practices in geriatrics and neuropsychology. Health professionals observe a significant improvement in the standardization of assessment procedures, reducing inter-examiner variability and increasing the reliability of results. This standardization also facilitates the training of new professionals and the harmonization of practices between establishments.

The automation of certain administrative tasks frees up valuable time for clinicians. Automatic entry of results, generation of standardized reports, and centralization of patient data allow professionals to focus on the relational and therapeutic aspects of their activity. This evolution meets a strong expectation expressed by many caregivers.

Tele-assessment, made possible by these digital tools, opens new perspectives for patient follow-up. Particularly relevant during a health crisis, this modality ensures continuity of care even at a distance. It also facilitates the follow-up of patients living in rural areas or having mobility difficulties.

The enrichment of collected data is a major asset of digital tools. Beyond traditional scores, these tools can record reaction times, error patterns, resolution strategies, or performance variations during the test. This informational richness opens new perspectives for clinical research and the improvement of practices.

12. Ethical issues and social acceptability

The introduction of digital tools in clinical practice raises important ethical questions that the BROCA-LUSAGE and DYNSEO teams have carefully considered. The issue of informed consent takes on a particular dimension with digital tools, requiring clear information about the use of collected data and the algorithms implemented.

The social acceptability of digital tools varies significantly across generations and patient profiles. The teams have observed that the gradual and supported introduction of these tools greatly facilitates their acceptance. Training professionals in digital mediation proves crucial to overcoming initial reluctance.

The issue of equitable access to digital care constitutes a major societal challenge. Digital tools should not create new health inequalities but rather contribute to reducing existing disparities. This concern guides the development of DYNSEO solutions, designed to be accessible to the greatest number.

The transparency of algorithms and the comprehensibility of results represent fundamental ethical issues. Patients and their families must be able to understand the evaluation mechanisms used and the implications of the results obtained. This demand for transparency guides the design of user interfaces and generated reports.

13. Perspectives on Technological Evolution

The future of digital cognitive assessment tools promises to be rich in technological innovations. The integration of artificial intelligence will significantly refine the diagnostic capabilities of these tools. Machine learning algorithms will be able to identify subtle patterns in cognitive performance, potentially invisible to traditional human analysis.

Virtual and augmented reality opens fascinating perspectives for ecological cognitive assessment. These technologies will create testing environments that faithfully reproduce everyday life situations, offering superior ecological validity to traditional tests. The assessment of spatial navigation or driving abilities could thus be revolutionized.

Connected objects and biometric sensors will greatly enrich the data collected during assessments. The simultaneous measurement of physiological stress, heart activity, or sweating could provide valuable complementary information for interpreting cognitive performance.

Adaptive personalization of tests represents a major evolution currently under development. Future tools will be able to adapt in real-time the difficulty, presentation modality, or duration of tests according to the patient's abilities and reactions. This dynamic adaptation will optimize the patient experience while maximizing diagnostic accuracy.

14. Training and support for professionals

The success of implementing digital tools in clinical practice largely depends on the quality of training provided to healthcare professionals. The experience of BROCA-LUSAGE has demonstrated the importance of gradual support tailored to different user profiles. Training must cover not only technical aspects but also the clinical and ethical issues of these new tools.

The development of skills in digital literacy represents a major challenge for healthcare professionals. Beyond the simple use of tools, it is about developing a critical understanding of digital technologies, their potential, and their limitations. This skill enhancement is essential to maintain the quality of care in an increasingly digitized environment.

The creation of communities of practice fosters the sharing of experiences and the continuous improvement of usage. These networks allow professionals to exchange their practices, share their difficulties, and co-construct solutions adapted to the specificities of their practice context.

Continuous evaluation of practices and adaptation of training to field feedback are essential to maintain the effectiveness of training programs. Needs evolve with usage experience and technological updates, requiring an agile and responsive training approach.