Synchrony between orientation-selective neurons is modulated during adaptation-induced plasticity in cat visual cortex |
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Authors: | Narcis Ghisovan Abdellatif Nemri Svetlana Shumikhina Stephane Molotchnikoff |
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Affiliation: | (1) Department of Biological Sciences, University of Montreal, Montreal, QC, Canada |
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Abstract: | Background Visual neurons respond essentially to luminance variations occurring within their receptive fields. In primary visual cortex, each neuron is a filter for stimulus features such as orientation, motion direction and velocity, with the appropriate combination of features eliciting maximal firing rate. Temporal correlation of spike trains was proposed as a potential code for linking the neuronal responses evoked by various features of a same object. In the present study, synchrony strength was measured between cells following an adaptation protocol (prolonged exposure to a non-preferred stimulus) which induce plasticity of neurons' orientation preference. |
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