Discriminative infant smiling to orientations of talking faces of mother and stranger

John S. Watson, Louise A. Hayes, Peter Vietze, Jacqueline Becker

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Thirty-two infants aged 14 and 20 weeks were presented with a live face in each of eight conditions, which consisted of all combinations of (a) a 0° or 90° orientation; (b) familiar face (the infant's mother) or distinctively unfamiliar face; and (c) talking or silent context. The previous findings that younger infants smile longer at 0° than at 90° faces and that this differential responsiveness to orientation wanes with increasing age were replicated; the hypothesis that older infants would smile longest at their mothers' talking faces in the 0° orientation was confirmed. In addition, infants of both ages smiled more at their mothers than at the stranger, although this effect interacted with orientation and sex of the infant.

Original languageEnglish
Pages (from-to)92-99
Number of pages8
JournalJournal of Experimental Child Psychology
Issue number1
StatePublished - Aug 1979


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