Pöppel, E Size constancy and oculomotor modulation of perifoveal light-difference threshold. [electronic resource] - Die Naturwissenschaften Sep 1988 - 463-5 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0028-1042 Standard No.: 10.1007/BF00364030 doi Subjects--Topical Terms: HumansLightOculomotor Nerve--physiologyPhotic StimulationSensory ThresholdsVisual FieldsVisual Perception