Effects of Emotional Expression on Face Recognition May Be Accounted for by Image Similarity

Author:

Collin Charles A.1,Chamberland Justin1,LeBlanc Megan1,Ranger Anna1,Boutet Isabelle1

Affiliation:

1. School of Psychology, University of Ottawa

Abstract

We examined the degree to which differences in face recognition rates across emotional expression conditions varied concomitantly with differences in mean objective image similarity. Effects of emotional expression on face recognition performance were measured via an old/new recognition paradigm in which stimuli at both learning and testing had happy, neutral, and angry expressions. Results showed an advantage for faces learned with neutral expressions, as well as for angry faces at testing. Performance data was compared to three quantitative image-similarity indices. Findings showed that mean human performance was strongly correlated with mean image similarity, suggesting that the former may be at least partly explained by the latter. Our findings sound a cautionary note regarding the necessity of considering low-level stimulus properties as explanations for findings that otherwise may be prematurely attributed to higher order phenomena such as attention or emotional arousal.

Publisher

Guilford Publications

Subject

Developmental and Educational Psychology,Social Psychology

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