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Development Neurocognition Disorders

Presentation

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Editor : Sophie KERN, Alice Catherine ROY

The DENDY (Development Neurocognition Disorders) axis aims at investigating the development and cognitive processing of language in a lifespan perspective
Our objectives are to (1) characterize the nature and weight of the different constraints that shape language acquisition and processing, and (2) identify their underlying brain mechanisms. The constraints considered are both inherent to the neurobiological foundations of language in its cognitive and motor dimensions, and related to external factors specific to the social situations of language production/reception and the actors involved.

The members of DENDY, with their expertise in the typically developing individual, are becoming increasingly involved in responding to the public health issue of neurodevelopmental disorders and their early detection. At the same time, they are responding to the pressing societal issues surrounding multilingualism. As a result, a significant proportion of the research is at the interface of basic and applied research: it seeks to explain the processes of language acquisition and processing in monolingual or plurilingual populations with typical or atypical developmental trajectories, while at the same time developing, for some of them, prevention, detection, diagnosis and remediation systems for clinicians who are sorely lacking in tools adapted to populations with specific needs, or towards stakeholders involved in language acquisition, primarily parents, but also teachers and caregivers, who are involved in understanding the conditions conducive to optimal language development.

Through a multidisciplinary approach and based on varied methods, at the interface of (psycho)linguistics, cognitive neuroscience and sociolinguistics, we study language both in production and in perception and comprehension, and from a longitudinal and cross-disciplinary perspective. To this end, we collect data both online and offline (audio-video recordings in natural context, experimental tests from psychology, EEG/MEG, graphic tablets, eye-tracking, movement kinematics, fMRI, questionnaires or guided interviews for parents, teachers and healthcare professionals).

The populations studied include individuals of all ages (children, adolescents, adults) with, without or at risk of language pathologies (e.g., dyslexia, developmental oral language disorder, Alzheimer's disease, monolingual or bilingual, late talkers). DENDY's research will focus on the development and cognitive processing of language in its phonetic and phonological, lexical, syntactic aspects, and, to a lesser extent, to speech and language as the foundation of communication and a medium for socialization .

  Language and socialization development
  Development and cognitive processing of phonetic and phonlogical aspects of language
  Development and cognitive processing of semantic and lexical aspects of language
  Cognitive processing of syntactical aspects of language
  Cognitive processing of discursive aspects of language

Collective activities

We organize regular seminars/workshops aimed at discussing ongoing research work or methodologies, and developing collaborations between members of the DENDY axis or of the laboratory as well as with external members. These seminars/workshops are open to all DDL members.

  • DENDY'n Science
  • This seminar aims at sharing our research interests. We can invite speakers, discuss articles of interest (journal club) or present our own research results (resp. A. Roy & M. Seker).

  • Bilingualism seminar
  • This seminar deals with bilingualism from early development to aging. It consists of presentations of our own research results, discussions about articles of interest or invited talks (resp. S. Kern & A. Witko).

  • Statistics with R
  • This meeting consists of short sessions to introduce the R statistical program to new users, in order to learn to organize and analyze our data using various statistical approaches (resp. J. Krzonowski).

  • Protocol on Demand
  • This meeting is proposed whenever a member of the DENDY axis (or lab) needs to get feedback on her/his experimental protocol as well as on data analysis (resp. V. Boulenger & F. Chenu).

Our methods

Tools developed

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