Abstract
A technique has been developed to study the ability of monkeys to disembed a visual item from the complex organized field of which it is a part. By means of a variation of single-cue concept-formation techniques 3 monkeys were trained to indicate the presence or absence of a particular simple figure on a stimulus card. Following this, Ss were tested in a critical series of complex figures. In some of these (positives) the simple figure was present but “hidden” or embedded; in others (negatives), which were structurally identical with the positives except for a change in a small element, the simple figure was absent. Preliminary results with two series of simple and complex figures indicate that some monkeys are very proficient at perceptual disembedding. This ability seems to be independent of learning and related capacities. Some of the possible uses of this technique in the study of problems of perceptual development in monkeys were discussed.
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