Journal
VISION RESEARCH
Volume 68, Issue -, Pages 59-64Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2012.07.009
Keywords
Motion aftereffect; Transcranial magnetic stimulation; Spatial attention; Visual awareness; Neural correlate
Categories
Funding
- Estonian Ministry of Education and Research
- Scientific Competency Council [SF0182717s06]
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Causal relevance of the cortical area V5/MT for motion (aftereffect) perception has been shown when rTMS pulses have been applied onto this area, leading to disruption of the percept. Typically, the inducing and test stimuli have consisted in a spatially contiguous area from where stimulation is presented. Observers have had no need to divide attention between spatially remote areas including motion-related signals with different vectors. Here we present experimental results showing that an adverse effect of rTMS on motion aftereffect can be obtained when contralateral V5/MT is stimulated and subjects have to report which one of the two simultaneous aftereffect percepts separated into two hemifields decays before the other. The effect appears stronger following right hemisphere V5/MT stimulation and is clearly evident even with weak rTMS pulses. (C) 2012 Elsevier Ltd. All rights reserved.
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