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Etienne de Villers-Sidani – “Lifelong shaping of auditory cortical processing by sensory experience”

20 October 2011 @ 16 h 00 min - 17 h 00 min

| Free

Etienne de Villers-Sidani, Assistant professor and Neurologist, Montreal Neurological Institute & McGill University Health care Center, will give a talk at BRAMS (Université de Montréal) on October 20th 2011, at 4pm, entitled “Lifelong shaping of auditory cortical processing by sensory experience”.

ABSTRACT

The rodent auditory cortex has provided a particularly useful model for studying cortical plasticity phenomenology and mechanisms, both in infant and in adult animal models.  Much of our initial understanding of the neurological processes underlying learning-induced changes in the cortex stems from the early exploitation of this model.  More recent studies have provided a rich and elaborate demonstration of the “rules” governing representational plasticity induced during the critical period, and in the longer post-critical-period “adult” plasticity epoch.  These studies have also contributed importantly to the application of these “rules” to the development of practical training tools designed to improve the functional capacities of the auditory, language and reading capacities of both children with developmental impairments, and adults with acquired impairments in the auditory/aural speed and related cognitive domains.

Using age as a connecting thread, I will review recent studies performed in the rat primary auditory cortex (A1) that have provided further insight into the role of sensory experience in the shaping auditory signal representations, and into their possible role in shaping the machinery that regulates ‘adult’ plasticity in A1.  With this background, the role of auditory training in the remediation of auditory processing impairments is briefly discussed.
ABOUT ETIENNE DE VILLERS-SIDANI

Le neurologue Étienne de Villers-Sidani est un spécialiste des troubles cognitifs, affilié à l’Institut Neurologique de Montréal (Université McGill). Il s’intéresse particulièrement au rôle de l’expérience sensorielle et de la plasticité du cerveau dans l’apparition et le traitement de dysfonctions cognitives. À l’aide de techniques électrophysiologiques, son laboratoire cherche à déterminer comment les sons et l’éducation auditive façonnent tous les deux les circuits corticaux et modifient la perception des sons et leur utilisation dans la mémoire et la prise de décision.

 

Details

Date:
20 October 2011
Time:
16 h 00 min - 17 h 00 min
Cost:
Free
Event Category:

Venue

BRAMS – Université de Montréal
1430 boul Mont Royal, Montréal, Québec H2V 4P3 Canada
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Organizer

BRAMS – Université de Montréal
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