Mental Rotation in Human Infants

Author:

Moore David S.1,Johnson Scott P.2

Affiliation:

1. Pitzer College and Claremont Graduate University

2. University of California, Los Angeles

Abstract

A sex difference on mental-rotation tasks has been demonstrated repeatedly, but not in children less than 4 years of age. To demonstrate mental rotation in human infants, we habituated 5-month-old infants to an object revolving through a 240° angle. In successive test trials, infants saw the habituation object or its mirror image revolving through a previously unseen 120° angle. Only the male infants appeared to recognize the familiar object from the new perspective, a feat requiring mental rotation. These data provide evidence for a sex difference in mental rotation of an object through three-dimensional space, consistently seen in adult populations.

Publisher

SAGE Publications

Subject

General Psychology

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