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Characterizing the Occipital Oscillatory Activity in Blindness

Objetivo

The massive reorganization of the occipital regions as a consequence of lack of vision represents one of the most
remarkable examples of the plastic potentialities of the human brain. Despite the large amount of neuroimaging evidence
proving the involvement of occipital areas of blind individuals in non‐visual input processing, the functional role of this
sensory reorganized region is still matter of intense debate. In COcOAB, we will use an underexploited neuroimaging
technique in this field, magnetoencephalography (MEG), in order to study the oscillatory profile of ensembles of occipital
neurons and their brain‐wide functional interaction patterns in blind individuals. This will allow us to gather unprecedented
information about the functional relevance of non‐visual activity in the occipital cortex of blind individuals. Moreover,
COcOAB will assess the impact of age onset and duration of visual deprivation on the occipital oscillatory activity, thus
providing insights into the relationship between blindness and sensitive periods of maturation in the visual system. The
groundbreaking potentials of COcOAB reside in the application of the MEG technique to the study of two experimental
domains — sensory illusions and stimulation at threshold — that has been so far neglected in the field of sensory
deprivation. COcOAB represents a unique testing ground to address how specific regions support perception in a
mechanistic fashion in visually deprived individuals, thus challenging the current knowledge on the functionality of these
reorganized regions via a highly innovative approach.

Coordinador

UNIVERSITA DEGLI STUDI DI TRENTO
Aportación neta de la UEn
€ 168 277,20
Dirección
VIA CALEPINA 14
38122 Trento
Italia

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Región
Nord-Est Provincia Autonoma di Trento Trento
Tipo de actividad
Higher or Secondary Education Establishments
Enlaces
Coste total
€ 168 277,20