Abstract

A sinusoidal grating appears of higher spatial frequency when briefly flashed than when presented for longer durations. This effect is restricted to gratings of low spatial frequency (1 cycle/deg). Time-dependent changes in the response of spatial frequency channels are a likely cause.

© 1974 Optical Society of America

Comparison of perceived spatial frequency between the fovea and the periphery

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Effects of steady inducer and test duration on threshold*

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Electroretinogram and visually evoked potential associated with paced saccadic displacement of the stimulus*

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