Mass-action view of single-cell responses to stimulation of the receptive field and/or beyond: exemplification with data from the rabbit primary visual cortex

Electroencephalography and Clinical Neurophysiology
U MitzdorfE Pöppel

Abstract

Whereas single cells in the visual cortex prefer moving light bars, mass-action responses are evoked better by diffuse luminance changes. This discrepancy was investigated by quantitatively comparing the response properties of individual cells with those of a representative group of cells. The latter responses were derived from the single-cell responses, which were obtained from recording in the rabbit. These quantitative estimates of mean responses resolve the discrepancy between the single-cell domain and the mass-action domain: from the single-cell point of view, a properly oriented moving-bar stimulus is much more effective than a diffuse-light stimulus. The corresponding mass-action response to one common moving-bar stimulus, however, is as small as the mean response to a diffuse-light stimulus (which may even be presented at retinotopically non-corresponding sites). The peak intensities of these mass responses are even much stronger with the diffuse-light stimuli. The same conclusions are valid for the cat, as could be verified from published data. The restrictions of the local receptive field concept that may be implied by the mass-action view of cortical activity and the potential functional relevance of mass activities...Continue Reading

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Citations

May 29, 1999·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·A RomaniV Cosi
Aug 13, 2013·European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology·Joanne WallaceSarah E Gartside

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