An electrophysiological correlate of perceptual suppression in anisometropia

A. Fiorentini; L. Maffei; M. Pirchio; D. Spinelli

doi:10.1016/0042-6989(78)90253-5

An electrophysiological correlate of perceptual suppression in anisometropia

A. Fiorentini, L. Maffei, M. Pirchio, D. Spinelli

Fondazione Santa Lucia

Research output: Contribution to journal › Article › peer-review

Abstract

Cortical evoked potentials (EP) in response to phase-alternating gratings were recorded in subjects with various degrees of artificial anisometropia. obtained by inserting convergent lenses in front of one eye. The EP recorded during binocular viewing with artificial anisometropia failed to show an increased amplitude in comparison to the monocular EP, and the lack of "binocular summation" of the EP was found to be related to perceptual suppression of the blurred eye. These results provide a method for testing monocular suppression in patients with anisometropia or other defects of binocular vision.

Original language	English
Pages (from-to)	1617-1621
Number of pages	5
Journal	Vision Research
Volume	18
Issue number	12
DOIs	https://doi.org/10.1016/0042-6989(78)90253-5
Publication status	Published - 1978

ASJC Scopus subject areas

Ophthalmology
Sensory Systems

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abstract = "Cortical evoked potentials (EP) in response to phase-alternating gratings were recorded in subjects with various degrees of artificial anisometropia. obtained by inserting convergent lenses in front of one eye. The EP recorded during binocular viewing with artificial anisometropia failed to show an increased amplitude in comparison to the monocular EP, and the lack of {"}binocular summation{"} of the EP was found to be related to perceptual suppression of the blurred eye. These results provide a method for testing monocular suppression in patients with anisometropia or other defects of binocular vision.",

author = "A. Fiorentini and L. Maffei and M. Pirchio and D. Spinelli",

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AU - Maffei, L.

AU - Pirchio, M.

AU - Spinelli, D.

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AB - Cortical evoked potentials (EP) in response to phase-alternating gratings were recorded in subjects with various degrees of artificial anisometropia. obtained by inserting convergent lenses in front of one eye. The EP recorded during binocular viewing with artificial anisometropia failed to show an increased amplitude in comparison to the monocular EP, and the lack of "binocular summation" of the EP was found to be related to perceptual suppression of the blurred eye. These results provide a method for testing monocular suppression in patients with anisometropia or other defects of binocular vision.

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