Specificity and randomness in the visual cortex

Kenichi Ohki, R. Clay Reid

研究成果: Contribution to journalReview article査読

81 被引用数 (Scopus)

抄録

Research on the functional anatomy of visual cortical circuits has recently zoomed in from the macroscopic level to the microscopic. High-resolution functional imaging has revealed that the functional architecture of orientation maps in higher mammals is built with single-cell precision. By contrast, orientation selectivity in rodents is dispersed on visual cortex in a salt-and-pepper fashion, despite highly tuned visual responses. Recent studies of synaptic physiology indicate that there are disjoint subnetworks of interconnected cells in the rodent visual cortex. These intermingled subnetworks, described in vitro, may relate to the intermingled ensembles of cells tuned to different orientations, described in vivo. This hypothesis may soon be tested with new anatomic techniques that promise to reveal the detailed wiring diagram of cortical circuits.

本文言語英語
ページ(範囲)401-407
ページ数7
ジャーナルCurrent Opinion in Neurobiology
17
4
DOI
出版ステータス出版済み - 8 2007

All Science Journal Classification (ASJC) codes

  • 神経科学(全般)

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