Keesey, U T Fluctuations in target visibility as related to the occurrence of the alpha component of the electroencephalogram. [electronic resource] - Vision research Nov 1967 - 959-77 p. digital Publication Type: Journal Article ISSN: 0042-6989 Standard No.: 10.1016/0042-6989(67)90007-7 doi Subjects--Topical Terms: Adaptation, OcularElectroencephalographyHumansLightVisual Cortex--physiologyVisual Perception