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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 64, Iss. 9 — Sep. 1, 1974
  • pp: 1251–1255

Perceived spatial frequency varies with stimulus duration

Paul Tynan and Robert Sekuler  »View Author Affiliations

JOSA, Vol. 64, Issue 9, pp. 1251-1255 (1974)

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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.

Paul Tynan and Robert Sekuler, "Perceived spatial frequency varies with stimulus duration," J. Opt. Soc. Am. 64, 1251-1255 (1974)

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