Linearity of Summation of Synaptic Potentials Underlying Direction Selectivity in Simple Cells of the Cat Visual Cortex
Authors:
- 17 December 1993
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 262 (5141) , 1901-1904
Abstract
Intracellular recordings from simple cells of the cat visual cortex were used to test linear models for the generation of selectivity for the direction of visual motion. Direction selectivity has been thought to arise in part from nonlinear processes, as suggested by previous experiments that were based on extracellular recordings of action potentials. In intracellular recordings, however, the fluctuations in membrane potential evoked by moving stimuli were accurately predicted by the linear summation of responses to stationary stimuli. Nonlinear mechanisms were not required.Keywords
This publication has 15 references indexed in Scilit:
- Modeling simple-cell direction selectivity with normalized, half-squared, linear operatorsJournal of Neurophysiology, 1993
- Evidence of input from lagged cells in the lateral geniculate nucleus to simple cells in cortical area 17 of the catJournal of Neurophysiology, 1992
- Motion selectivity and the contrast-response function of simple cells in the visual cortexVisual Neuroscience, 1991
- Evaluation of a linear model of directional selectivity in simple cells of the cat's striate cortexVisual Neuroscience, 1991
- X- and Y-mediated synaptic potentials in neurons of areas 17 and 18 of cat visual cortexVisual Neuroscience, 1990
- Whole cell recording from neurons in slices of reptilian and mammalian cerebral cortexJournal of Neuroscience Methods, 1989
- Selective responses of visual cortical cells do not depend on shunting inhibitionNature, 1988
- Nonlinear directionally selective subunits in complex cells of cat striate cortexJournal of Neurophysiology, 1987
- Improved patch-clamp techniques for high-resolution current recording from cells and cell-free membrane patchesPflügers Archiv - European Journal of Physiology, 1981
- Considerations on models of movement detectionBiological Cybernetics, 1973