Directional tunings independent of orientation in the primary visual cortex of the cat |
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Authors: | Yao Chen Bing Li Baowang Li Yuncheng Diao |
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Institution: | (1) Laboratory of Visual Information Processing, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China |
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Abstract: | A family of moving 'random-line' patterns was developed and used to study the directional tuning of 91 single units in cat primary visual cortex (V1). The results suggest that, in addition to the well-known orientation-dependent mechanism, there is also some kind of orientation-independent mechanism underlying the direction selectivity. The directional tuning of the neurons varies in accordance with the increase of orientation or non-orientation element in the stimulus. |
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Keywords: | moving 'random-line' patterns direction selectivity primary visual cortex cat |
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