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Zh Vyssh Nerv Deiat Im I P Pavlova. 1999 Jul-Aug;49(4):620-8.

[A model study of the dynamic mechanisms of the double orientation tuning of the visual cortex neurons].

[Article in Russian]

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Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow.


The dynamics of double orientation tuning of neurons in the visual cortex of cat was studied by means of computer simulation. It was possible to test the role of shape, relative localization and weight of the inhibitory and excitatory zones of a receptive field and the dynamics of these characteristics. It was shown that selective and acute double orientation tuning can be achieved only through changes in the weight of zones in the receptive fields with the end-stopping and lateral inhibitory zones whereas only the presence of the end-stopping inhibitory zone in the receptive field is sufficient during changes in zone localization and area.

[Indexed for MEDLINE]

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