January 1985
Volume 26, Issue 1
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Articles  |   January 1985
The relationship between binocular rivalry and strabismic suppression.
Investigative Ophthalmology & Visual Science January 1985, Vol.26, 80-87. doi:
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      E L Smith, D M Levi, R E Manny, R S Harwerth, J M White; The relationship between binocular rivalry and strabismic suppression.. Invest. Ophthalmol. Vis. Sci. 1985;26(1):80-87.

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

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Abstract

Increment-threshold spectral sensitivity functions were determined for normal observers during binocular rivalry and for esotropic observers during strabismic suppression and under viewing conditions that normally induce binocular rivalry. Depending on the spatial and temporal properties of the test stimulus, the normal observers exhibited a wavelength-specific loss in sensitivity during the suppression phase of rivalry, which suggests that binocular rivalry differentially attenuates the sensitivity of the chromatic mechanisms relative to the luminance mechanisms. In contrast, regardless of the test stimulus dimensions, the esotropic observers did not manifest a wavelength-specific loss in sensitivity either during strabismic suppression or under conditions that normally induce binocular rivalry. The different patterns of suppression shown by the normal and esotropic subjects suggest that strabismic observers do not demonstrate normal binocular rivalry, and that strabismic suppression and normal binocular rivalry suppression are mediated by different neural mechanisms.

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