title: The on and off channels of the visual system.
authors.affiliation: Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge 02139.
authors.forename: P H
authors.initials: PH
authors.lastname: Schiller
mesh_terms: D000613:Aminobutyrates / Q000494:pharmacology; D000818:Animals; D004594:Electrophysiology; D000882:Haplorhini; D011603:Psychophysiology; D012165:Retinal Ganglion Cells / Q000378:metabolism; D014785:Vision, Ocular / Q000502:physiology*
chemical_list: D000613:Aminobutyrates; C012729:2-amino-4-phosphonobutyric acid