期刊
JOURNAL OF COMMUNICATION DISORDERS
卷 33, 期 4, 页码 345-356出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0021-9924(00)00030-7
关键词
neuronal plasticity; recovery of function
There are at least four major forms of functional neuroplasticity that can be studied in humans: homologous area adaptation, cross-modal reassignment, map expansion, and compensatory masquerade. Homologous area adaptation is the assumption of a particular cognitive process by a homologous region in the opposite hemisphere. Cross-modal reassignment occurs when structures previously devoted to processing a particular kind of sensory input now accepts input from a new sensory method. Map expansion is the enlargement of a functional brain region on the basis of performance. Compensatory masquerade is a novel allocation of a particular cognitive process to perform a task. By focusing on these four forms of functional neuroplasticity, several fundamental questions about how functional cooperation between brain regions is achieved can be addressed. (C) 2000 by Elsevier Science Inc.
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