High-Frequency, Long-Range Coupling Between Prefrontal and Visual Cortex During Attention

American Association for the Advancement of Science (AAAS) - Tập 324 Số 5931 - Trang 1207-1210 - 2009
Georgia G. Gregoriou1, Stephen J. Gotts2, Huihui Zhou1, Robert Desimone1
1McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
2Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA

Tóm tắt

Attention and Synchrony Neural activity in the visual cortex becomes synchronized with attention and other behavioral states. However, the source of this synchrony is still unknown. Gregoriou et al. (p. 1207 ) tested the hypothesis that synchronized activity from the frontal eye field is one of the causes of the synchrony in monkey visual cortical area V4 during attention. With attention, neural activity in area V4 synchronized with frontal eye field activity when a stimulus fell in a joint receptive field, but did not do so when the fields were not overlapping.

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