December 1982
Volume 23, Issue 6
Articles  |   December 1982
Spatial and temporal frequency tuning of pattern-reversal retinal potentials.
Investigative Ophthalmology & Visual Science December 1982, Vol.23, 774-779. doi:
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      G L Trick, D H Wintermeyer; Spatial and temporal frequency tuning of pattern-reversal retinal potentials.. Invest. Ophthalmol. Vis. Sci. 1982;23(6):774-779. doi:

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

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Pattern-reversal retinal potentials (PRRPs) are electrical signals generated within the human retina, possibly by the retinal ganglion cells, when a phase-alternating checkerboard pattern (or grating) is viewed. This study systematically examined the effects of varying the spatial and/or temporal frequency of the stimulus pattern on the resulting PRRP. A significant variation in PRRP amplitude, which was dependent on both the spatial and temporal frequency of the stimulus, was observed. Optimum response amplitude was obtained with a low spatial frequency (0.250 cy/deg) at intermediate temporal frequencies (3.75 or 7.50 Hz). A linear regression, fit to the average PRRP amplitude vs. spatial frequency data for either the 1.88 or 3.75 Hz conditions, appears to predict average subjective visual acuity.


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