Dissociating face processing skills: decisions about lip read speech, expression, and identity

Campbell, R., Brooks, B., Haan, E.D. and Roberts, T. (1996) Dissociating face processing skills: decisions about lip read speech, expression, and identity. Quarterly Journal Of Experimental Psychology Section A - Human Experimental Psychology, 49 (2), 295-314.

Abstract

The separability of different subcomponents of face processing has been regularly affirmed, but not always so clearly demonstrated. In particular, the ability to extract speech from faces (lip-reading) has been shown to dissociate doubly from face identification in neurological but not in other populations. In this series of experiments with undergraduates, the classification of speech sounds (lip-reading) from personally familiar and unfamiliar face photographs was explored using speeded manual responses. The independence of lip-reading from identity-based processing was confirmed. Furthermore, the established pattern of independence of expression-matching from, and dependence of identity-matching on, face familiarity was extended to personally familiar faces and "difficult"-emotion decisions. The implications of these findings are discussed.

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