Stimulus Predictability Reduces Responses in Primary Visual Cortex

被引:327
作者
Alink, Arjen [1 ,2 ]
Schwiedrzik, Caspar M. [1 ,2 ]
Kohler, Axel [1 ,2 ]
Singer, Wolf [1 ,2 ]
Muckli, Lars [1 ,2 ,3 ]
机构
[1] Max Planck Inst Brain Res, Dept Neurophysiol, D-60528 Frankfurt, Germany
[2] Brain Imaging Ctr Frankfurt, D-60528 Frankfurt, Germany
[3] Univ Glasgow, Ctr Cognit Neuroimaging, Dept Psychol, Glasgow G12 8QB, Lanark, Scotland
基金
英国生物技术与生命科学研究理事会;
关键词
CLASSICAL RECEPTIVE-FIELD; APPARENT-MOTION; PROACTIVE BRAIN; PERCEPTION; DYNAMICS; ATTENTION; FEEDBACK; MT; SPECIALIZATION; FEEDFORWARD;
D O I
10.1523/JNEUROSCI.3730-10.2010
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
In this functional magnetic resonance imaging study we tested whether the predictability of stimuli affects responses in primary visual cortex (V1). The results of this study indicate that visual stimuli evoke smaller responses in V1 when their onset or motion direction can be predicted from the dynamics of surrounding illusory motion. We conclude from this finding that the human brain anticipates forthcoming sensory input that allows predictable visual stimuli to be processed with less neural activation at early stages of cortical processing.
引用
收藏
页码:2960 / 2966
页数:7
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