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Monkeys' memory for 3-dimensional junk objects was tested in a task which required them to discriminate objects which had recently been presented in an acquisition list from new objects which had not. The accuracy of this discrimination was shown to depend on the recency of presentation of the old object. The discrimination was not significantly affected by lesions of either the foveal pre-striate cortex, the fundus of the superior temporal sulcus, or the anterior inferior temporal area. A substantial impairment was caused by transection of the fornix.

Original publication




Journal article


Brain Res

Publication Date





373 - 386


Animals, Brain Mapping, Corpus Callosum, Discrimination Learning, Form Perception, Haplorhini, Macaca mulatta, Memory, Mental Recall, Pattern Recognition, Visual, Retention, Psychology, Retina, Temporal Lobe, Visual Cortex, Visual Pathways