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Zh Vyssh Nerv Deiat Im I P Pavlova. 2006 Mar-Apr;56(2):228-35.

[Coding of stimulus movement parameters in cat visual system].

[Article in Russian]


The principal component analysis of matrices composed of spike numbers generated by visual neurons of cats in response to motion of simple and complex stimuli revealed vector encoding. Responses of detectors of moving dot direction and detectors of oblique line orientation are encoded independently in V1 and V2 cortices by excitation of two cardinal neurons. Each pair of these neurons generates sine and cosine functions. Responses of detectors in the association cortex selective to specific orientation of moving stripes depend on the activity of four cardinal neurons which sum up the excitation incoming from the direction and orientation channels.

[Indexed for MEDLINE]

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