Responses of retinal ganglion cells to exponentially increasing light stimuli.
Action potentials of ganglion cells were recorded extracellularly from opened cat eyes. It was found that inhibition, as judged by discharge frequency, may depend upon rate of change of light intensity. Apparently the balance between excitatory and inhibitory inputs at the ganglion cell level depends upon rate of change of illumination. Visual purple bleaching or sensory adaptation taking place during the stimulation does not explain the results.
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D000200:Action Potentials; D000818:Animals; D002415:Cats; D008027:Light; D009474:Neurons; D010775:Photic Stimulation; D012160:Retina; D012165:Retinal Ganglion Cells
RETINA