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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/24291

Title: Neuroplastic Changes During Auditory Perceptual Learning Over Multiple Practice Sessions Within and Between Days
Authors: Zhu, Kuang Da
Advisor: Alain, Claude
Department: Psychology
Keywords: Perceptual learning
Auditory evoked field
Human
Cognition
Vowel
Speech
Hearing
Sleep
MEG
Issue Date: 7-Apr-2010
Abstract: This study investigated the neuroplastic changes that accompany speech identification training using magnetoencephalography (MEG). Participants completed three practice sessions over two consecutive days. In the morning group, practice occurred in the morning and evening of the first day, and in the morning of the next day; whereas, in the evening group, practice occured in the evening of the first day, and in the morning and evening of the second day. In both groups, behavioural improvement between the first session and last session was comparable. Neuromagnetic data showed practice-related changes in N1m amplitude between the first and last sessions. A time-of-day (TOD) of practice effect was found for P2m mean amplitude. In both groups, P2m-related changes with practice were greater when consecutive sessions occurred between days than within a day. The results are consistent with the proposal that task-related changes in the P2m wave are an index of perceptual learning.
URI: http://hdl.handle.net/1807/24291
Appears in Collections:Master
Department of Psychology - Master theses

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