Reports

Right-handedness: a consequence of infant supine head-orientation preference?

Science  08 May 1981:
Vol. 212, Issue 4495, pp. 685-687
DOI: 10.1126/science.7221558

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.

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