Abstract
The total decussation of avian optic tracts offers a system in which biochemical correlates of visual deprivation in one tract can be compared with the opposite tract as a normal control. The short term effect of unilateral eye removal in new hatched chicks was to prevent the normal increases in tissue weight and to modify the level of acetylcholinesterase activity in the contralateral optic lobe.
Highlights
Departments of Medical Microbiology and Immunology and Biological Cbemistry, and the Brain Research Institute, School of Medicine, University of California, Los Angeles, California 90024
THE SEARCH for biochemical changes in the central nervous system which can be correlated with differential sensory input often suffers from the difficulty of choosing appropriate controls
We have examined the differential effects of unilateral eye-removal on the two optic lobes of the chick brain at relatively short times after surgery
Summary
Departments of Medical Microbiology and Immunology and Biological Cbemistry, and the Brain Research Institute, School of Medicine, University of California, Los Angeles, California 90024. Title Unilateral visual deprivation and avian optic lobe development. UNILATERAL VISUAL DEPRIVATION AND AV!Ml OPTIC LOBE DEVELOPMENT The complete decussation of the optic tracts in many birds [1] suggests that unilateral manipulation of visual input may result in differential effects in the two optic lobes of the avian brain.
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