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The coding of order in linguistic and non-linguistic domains| old_uid | 10092 |
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| title | The coding of order in linguistic and non-linguistic domains |
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| start_date | 2011/06/24 |
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| schedule | 11h-12h |
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| online | no |
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| summary | People make sense of their environment in a context of continuous uncertainty, in which the perception/conception of ongoing input is done against a background of both recent, locally encountered information as well as long- term background knowledge. Two lines of work addressing this issue will be presented. The first focuses on non-linguistic inputs and examines how the brain codes for the degree of uncertainty in these inputs and how it may use information about the degree of input uncertainty to modulate predictive coding of future events. This work identifies cortical systems that are sensitive to the degree of order in the recent past, operate in both modality-general and modality-specific manner, and show linear and non-linear sensitivity profiles to order. The second line of research presented focuses on speech perception. It uses neuroimaging and behavioral work to study how the brain codes for statistical regularities between sub-lexical syllables, and why it may be easier to extract statistical features in speech inputs relative to other auditory domains. |
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| responsibles | Pélissier |
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