Effects of auditory and visual deprivation on human brain development |
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| Affiliation: | 1. The Grace Centre for Newborn Care, The Children''s Hospital at Westmead, Locked Bag 4001, Westmead, 2145 Sydney, Australia;2. University of Sydney, Sydney, Australia;3. Cerebral Palsy Alliance, Sydney, Australia;1. Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi''an Jiaotong University, Xi''an, China;2. Center for Mitochondrial Biology and Medicine, Frontier Institute of Science and Technology and School of Life Science and Technology, Xi''an Jiaotong University, Xi''an, China;1. School of Nursing & Midwifery, Queen''s University Belfast, Belfast, United Kingdom;2. Department of Pediatrics, University of British Columbia, Vancouver, Canada;3. Child & Family Research Institute, Vancouver, Canada;4. School of Medicine, Dentistry and Biomedical Sciences, Queen''s University Belfast, Belfast, United Kingdom;5. NICORE Project, Royal Maternity Hospital, Belfast, United Kingdom;6. Lawrence S Bloomberg Faculty of Nursing, University of Toronto, Canada |
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| Abstract: | Brain imaging studies of congenitally deaf and congenitally blind adults are summarized. The results suggest that different subsystems within vision and audition display different degrees of experience-dependent modification of cortical organization. Within vision, the organization of systems important in processing peripheral space and motion information is most altered following auditory deprivation. Within audition, fast auditory processing and attention to and localization within peripheral space is enhanced following visual deprivation. Hypotheses concerning the origins of these differential effects of early experience are discussed. |
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