Retinotectal connexions after retinal regeneration
IT has been shown by Sperry1 that in adult amphibians regeneration of the optic nerve fibres after rotation of the eyes through 180° about the optic axis leads to reversed visuomotor responses. It has therefore been suggested2 that there exists a cellular specificity which determines that for any given area of the retina there will be a fixed area of the optic tectum with which it will make connexion. In the experiments reported here this hypothesis was tested by examining the pattern of the retinotectal connexions after only the peripheral portion of the eye had been rotated. © 1962 Nature Publishing Group.
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