Mapping Studies of the Tectal Representation of the Frog Binocular Visual Field. A Problem of Methodology

Overview

Journal Exp Brain Res

Specialty Neurology

Date 1981 Jan 1

PMID 6974649

Citations 3

Authors

F Gaillard

G GALAND

Affiliations

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Abstract

Using the classical mapping technique, the spatio-tectal visual organization in frogs (Rana esculenta) was investigated taking special interest in the previously described existence of a "systematic disparity" between the two monocular receptive fields of rostral binocular tectal points. The existence of such a disparity was extended to the whole binocular visual field and its sign (crossed or uncrossed disparity) was studied both in paralyzed and anesthetized animals. It was proved however that this disparity phenomenon was not "systematic", but depended mainly on the experimental methodology. Its physiological significance is discussed.

Citing Articles

Binocularly driven neurons in the rostral part of the frog optic tectum.

Gaillard F J Comp Physiol A. 1985; 157(1):47-55.

PMID: 3879762 DOI: 10.1007/BF00611094.

Quantitative studies on ipsilateral type 2 retinotectotectal (IRTT) units in frogs: homologies with R3 ganglion cells.

Garcia R, Gaillard F J Comp Physiol A. 1989; 164(3):377-89.

PMID: 2785209 DOI: 10.1007/BF00612997.

Changing patterns of binocular visual connections in the intertectal system during development of the frog, Xenopus laevis. I. Normal maturational changes in response to changing binocular geometry.

Grant S, Keating M Exp Brain Res. 1989; 75(1):99-116.

PMID: 2707359 DOI: 10.1007/BF00248534.

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