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Right-handedness: a consequence of infant supine head-orientation preference?
Science (New York, N.Y.)
|May 8, 1981
Abstract:
Most newborn infants (65 percent) preferred to lie with their heads turned to the right, whereas 15 percent showed a distinct preference for the left. Orientation preference is maintained for at least 2 months and predicts preferential hand use in reaching tasks at both 16 and 22 weeks. Right head-orientation preference in early infancy may contribute to the early development of right-handedness.