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Congenital Unilateral Deafness Affects Cerebral Organization of Reading
AbstractIt is known that early sensory deprivation modifies brain functional structure and connectivity. The aim of the present study was to investigate the neuro-functional organization of reading in a patient with profound congenital unilateral deafness. Using event-related potentials (ERPs), we compared cortical networks supporting the processing of written words in patient RA (completely deaf in the right ear since birth) and in a group of control volunteers. We found that congenital unilateral hearing deprivation modifies neural mechanisms of word reading. Indeed, while written word processing was left-lateralized in controls, we found a strong right lateralization of the fusiform and inferior occipital gyri activation in RA. This finding goes in the same direction of recent proposals that the ventral occipito-temporal activity in word reading seem to lateralize to the same hemisphere as the one involved in spoken language processing.
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Adorni, R.; Manfredi, M.; Proverbio, A.M. Congenital Unilateral Deafness Affects Cerebral Organization of Reading. Brain Sci. 2013, 3, 908-922.View more citation formats
Adorni R, Manfredi M, Proverbio AM. Congenital Unilateral Deafness Affects Cerebral Organization of Reading. Brain Sciences. 2013; 3(2):908-922.Chicago/Turabian Style
Adorni, Roberta; Manfredi, Mirella; Proverbio, Alice M. 2013. "Congenital Unilateral Deafness Affects Cerebral Organization of Reading." Brain Sci. 3, no. 2: 908-922.