The role of visual perception in spoken responses
Biocybernetics and Biomedical Engineering(2011)
摘要
How subjects voice responses to flashed visual symbols was investigated at successive stages of the information processing. The representation exits from VI mainly by 120-140, mean 130ms; cortical motor output to voice onset has a mean delay of 85ms. The latencies of voicing only a noise, blurting versus perceiving before responding correctly yield mean delays for perception (85ms) and for spatio-temporal motor coding of digits (45ms), with a mean total delay of 345ms. Prefrontal cortex and Intralaminar N. also contribute to perception.
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关键词
visual perception,occipito-frontal flow,Broca excitability,TMS mapping
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