Spatio-temporal interactions in anisometropic and strabismic amblyopia.

Abstract:

:Contrast sensitivity functions for sinusoidal gratings of different spatial frequencies and stimulus durations have been determined for both eyes of amblyopic subjects. For both long and short stimulus durations, the entire contrast sensitivity function of the amblyopic eyes is lower than that of the nonamblyopic eyes. When the gratings were flickered at 10 Hz, the sensitivity for pattern and flicker detection were similar for both eyes at low spatial frequencies. Possible neural mechanisms for the differences in contrast sensitivity are considered with respect to recent psychophysical and electrophysiological evidence for channels with different spatio-temporal properties in the mammalian visual system.

authors

Levi DM,Harwerth RS

subject

Has Abstract

pub_date

1977-01-01 00:00:00

pages

90-5

issue

1

eissn

0146-0404

issn

1552-5783

journal_volume

16

pub_type

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