auditory attention activates peripheral visual cortex听觉注意激活周边视觉皮层.pdf

Auditory Attention Activates Peripheral Visual Cortex 1 1 1 5 6 Anthony D. Cate *, Timothy J. Herron , E. William Yund , G. Christopher Stecker , Teemu Rinne , 1,2 7 2,3,8 1,2,3,4 Xiaojian Kang , Christopher I. Petkov , Elizabeth A. Disbrow , David L. Woods 1 Human Cognitive Neurophysiology Laboratory, Veterans Administration Northern California Health Care System, Martinez, California, United States of America, 2 Department of Neurology, University of California Davis, Sacramento, California, United States of America, 3 Center for Neurosciences, University of California Davis, Davis, California, United States of America, 4 Center for Mind and Brain, University of California Davis, Davis, California, United States of America, 5 Department of Speech and Hearing Sciences, University of Washington, Seattle, Washington, United States of America, 6 Department of Psychology, University of Helsinki, Helsinki, Finland, 7 Institute of Neuroscience, University of Newcastle, Newcastle upon Tyne, United Kingdom, 8 Department of Radiology, University of California San Francisco, San Francisco, California, United States of America Abstract Background: Recent neuroimaging studies have revealed that putatively unimodal regions of visual cortex can be activated during auditory tasks in sighted as well as in blind subjects. However, the task determinants and functional significance of auditory occipital activations (AOAs) remains unclear. Methodology/Principal Findings: We examined AOAs in an intermodal selective attention task to distinguish whether they were stimulus-bound or r