POSTTRAINING COMMISSURE SECTION AND INTEROCULAR TRANSFER OF DISCRIMINATION LEARNING IN RHESUS MONKEYS

概要

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Twelve juvenile rhesus monkeys with midline section of the optic chiasma were monocularly trained and tested the interocular transfer of four discrimination problems: brightness first, and, thereafter in random order, color, pattern and form. The corpus callosum and anterior commissure were transected following acquisition of the third problem. The near perfect interocular transfer of all tasks demonstrated by the commissure-intact animals was interrupted by the section of the forebrain commissures-more severely for pattern and form than for color. Postoperative testing, however, disclosed some impairments of immediate recall through the untrained eye for all stimuli. It is concluded that, although an ipsilaterally induced discriminative habit is more favorable to color stimuli than others, nevertheless, a subcallosally transmitted, contralaterally retreivable memory trace seems as non-sensory specific in nature.
国際基督教大学の論文