Alice Catherine Roy(DDL / Laboratoire sur le Langage, le Cerveau et la Cognition (L2C2) (Bron))
Daniele Schön(Institut de neurosciences des systèmes (Marseille))
dans le cadre des séminaires DDL
Conférence d'Alice Roy : "Que nous dit le système moteur?"
Le système moteur a longtemps été relégué au rang de « petite main » du cerveau ; la découverte du système miroir lui conférant un rôle perceptif a profondément bouleversé cette conception. Le système sensori-moteur est devenu partie intégrante de la cognition, qui en devint « incarnée ». A quoi tient la participation du système moteur dans le langage, moyen ou nécessité ? Je présenterai mon parcours dans le questionnement des relations entre système moteur et langage en abordant différents aspects du langage de la phonologie jusqu’à la syntaxe.
Conférence de Daniele Schön : "Music and speech resonances"
Dynamic attending theory postulates that temporal attention is not distributed equally over time, but rather varies over cycles. Internal attentional oscillators adapt to external regularities, allowing the development of temporal expectations with a modulation of attention over time, leading to processing benefits. The temporal sampling framework proposed by Goswami (2011) suggests a low frequency phase locking deficit in auditory cortex having an impact on metrical processing and phonological development. We try to bridge these two proposals as well as other temporal deficit hypotheses in dyslexia, dysphasia or deafness in a larger framework taking into account multiple nested temporal scales. We present data testing the hypothesis that temporal attention can be influenced by an external rhythmic auditory stimulation (i.e., musical rhythm) and benefit to subsequent language processing including syntax processing and speech production. We also present data testing the hypothesis that phonological awareness can be influenced by several months of musical training and more particularly rhythmic training, which in turn improves reading skills. All together our data support the hypothesis of a causal role of rhythm-based processing for language processing and language acquisition. Moreover, these results open new avenues onto music-based remediation of language and hearing impairment.