February 2016
Volume 16, Issue 4
Open Access
OSA Fall Vision Meeting Abstract  |   February 2016
Summation of Sine-waves at Detection Threshold: One Way of Investigating Spatial-Frequency Channels
Author Affiliations
  • Norma Graham
    Columbia University
Journal of Vision February 2016, Vol.16, 24. doi:10.1167/16.4.17
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      Norma Graham; Summation of Sine-waves at Detection Threshold: One Way of Investigating Spatial-Frequency Channels. Journal of Vision 2016;16(4):24. doi: 10.1167/16.4.17.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Sine-wave gratings were once a novel stimulus in the study of vision and multiple spatial-frequency channels not yet proposed. Being involved in some of the research that made both popular was exciting and frustrating. In this talk, I'll attempt to recapture both the highs and the lows of measuring psychophysical summation using sine-wave gratings of different spatial frequencies and phases.

Graham N. Nachmias J. 1971 Detection of grating patterns containing two spatial frequencies: A comparison of single-channel and multiple-channels models Vision Research 11 251 [CrossRef] [PubMed]
Graham N., Robson J. G., Nachmias J. 1978 Grating summation in fovea and periphery Vision Research 18 816 [CrossRef]
Graham N. 1992 Breaking the visual stimulus into parts Current Directions in Psychological Science 1 55 [CrossRef]
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