The selective effect of visual deprivation on receptive field shape determined neurophysiologically.

Animals Cats Cerebral Cortex/physiology Depth Perception Dominance, Cerebral Electrodes Electroretinography Evoked Potentials Form Perception Geniculate Bodies/cytology Motion Perception Neurons/physiology Sensory Deprivation Vision, Ocular Visual Cortex/cytology,physiology Visual Fields Visual Perception