Scotopic contour and shape discrimination using radial frequency patterns
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Vision"
DOI: 10.1167/19.2.7
Abstract: Radial frequency (RF) patterns are valuable tools for investigations of contour integration and shape discrimination. Under photopic conditions, healthy observers can detect deformations from circularity in RF patterns as small as 3 seconds of arc.… read more here.
Keywords: shape discrimination; shape; discrimination using; frequency patterns ... See more keywords
Frequency ratio determines discrimination of concentric radial frequency patterns in the peripheral visual field.
Sign Up to like & getrecommendations! Published in 2020 at "Attention, perception & psychophysics"
DOI: 10.3758/s13414-020-02001-6
Abstract: Using a radial frequency discrimination task that has not been tested in many previous studies, we examined the dependence of the pattern radius (4 to 16 deg) on the radial frequency thresholds of two different… read more here.
Keywords: modulation; concentric radial; frequency ratio; frequency ... See more keywords