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Spatial-frequency discrimination of drifting gratings

URN to cite this document:
urn:nbn:de:bvb:355-epub-254038
DOI to cite this document:
10.5283/epub.25403
Greenlee, Mark W. ; Gerling, J. ; Waltenspiel, S.
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Date of publication of this fulltext: 20 Jul 2012 08:30


Abstract

Spatial-frequency discrimination thresholds were measured for briefly (300 msec) presented sinewave gratings having a contrast one logarithmic unit above detection threshold. The gratings were drifted at rates varying from 1.1 to 40 Hz. In a two-interval forced-choice paradigm thresholds were determined for vertically and obliquely oriented gratings. Three reference spatial frequencies (1, 4, 12 ...

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