Lynne Kiorpes

18 janvier 2013

Center for Neural Science, New York University, New York, USA

Plasticity of visual motion perception : development and learning

Invitée par Frédéric Chavane

Abstract : Visual function is poor in infants and develops to adult levels during the early months and years after birth. Basic visual processes such as acuity and contrast sensitivity develop over well-defined time courses that are thought to reflect the maturation of neuronal mechanisms early in the visual pathways. On the other hand higher level visual functions like motion perception, which requires integration of information over space and time, develop over more protracted time courses and depend at least in part on the maturation of extrastriate visual areas. These developmental programs can be modified by visual experience, with the longer developing functions showing greater vulnerability to visual disorders. This talk will describe the development of motion perception in nonhuman primates and the influence of abnormal visual experience and perceptual learning.

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