FORSYTH, D M Counting repeated light flashes as a function of their number, their rate of presentation and retinal location stimulated. [electronic resource] - Journal of experimental psychology Nov 1958 - 385-91 p. digital Publication Type: Journal Article ISSN: 0022-1015 Standard No.: 10.1037/h0047974 doi Subjects--Topical Terms: RetinaRetinal DiseasesVision, Ocular