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Visual scotoma and visual afterimages: some evidence that the perceived visual afterimage may not be a purely retinal
1Department of Psychology, University of Leeds, England. peterd@psychology.leeds.ac.uk
Perceptual and Motor Skills
|December 1, 1995
Abstract:
Observations of the differential appearance and behaviour of a deliberately induced visual scotoma and a patterned visual afterimage are reported. Although a retinal scotoma behaves like a visual afterimage in some ways, there are sufficient differences to suggest that the perceived visual afterimage may not be just the simple consequence of prolonged retinal stimulation.