Lecturers' faces fatigue their students: Face identity aftereffects for dynamic and static faces

Laurence, Sarah; Hole, Graham J and Hills, Peter J (2014). Lecturers' faces fatigue their students: Face identity aftereffects for dynamic and static faces. Visual Cognition, 22(8) pp. 1072–1083.

DOI: https://doi.org/10.1080/13506285.2014.950364

Abstract

Face adaptation has been used as a tool to probe our representations for facial identity. It has also been claimed to play a functional role in face processing, perhaps calibrating the visual system towards encountered faces. However, for this to be so, face aftereffects must be observable following adaptation to ecologically valid moving stimuli, not just after prolonged viewing of static images. We adapted our participants to videos, static image sequences or single images of the faces of lecturers who were personally familiar to them. All three stimulus types produced significant, and equivalent, face identity aftereffects, demonstrating that aftereffects are not confined to static images but can occur after exposure to more naturalistic stimuli. It is also further evidence against explanations of face adaptation effects solely in terms of low-level visual processing.

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