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. 2018 Jun 27:3:21.
doi: 10.1186/s41235-018-0112-9. eCollection 2018 Dec.

Individual differences in face identity processing

Jennifer M McCaffery  1   2 , David J Robertson  1   2   3 , Andrew W Young  2 , A Mike Burton  1   2
Affiliations

Individual differences in face identity processing

Jennifer M McCaffery et al. Cogn Res Princ Implic. .

Abstract

We investigated the relationships between individual differences in different aspects of face-identity processing, using the Glasgow Face Matching Test (GFMT) as a measure of unfamiliar face perception, the Cambridge Face Memory Test (CFMT) as a measure of new face learning, and the Before They Were Famous task (BTWF) as a measure of familiar face recognition. These measures were integrated into two separate studies examining the relationship between face processing and other tasks. For Study 1 we gathered participants' subjective ratings of their own face perception abilities. In Study 2 we used additional measures of perceptual and cognitive abilities, and personality factors to place individual differences in a broader context. Performance was significantly correlated across the three face-identity tasks in both studies, suggesting some degree of commonality of underlying mechanisms. For Study 1 the participants' self-ratings correlated poorly with performance, reaching significance only for judgements of familiar face recognition. In Study 2 there were few associations between face tasks and other measures, with task-level influences seeming to account for the small number of associations present. In general, face tasks correlated with each other, but did not show an overall relation with other perceptual, cognitive or personality tests. Our findings are consistent with the existence of a general face-perception factor, able to account for around 25% of the variance in scores. However, other relatively task-specific influences are also clearly operating.

Keywords: Face perception; Face recognition; Familiar faces; Individual differences; Unfamiliar faces.

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Conflict of interest statement

The studies reported here received ethical approval from the Psychology Ethics Committee, acting within the College of Life Sciences and Medicine, University of Aberdeen. All participants gave signed, informed consent for their data to be used.The authors declare that they have no competing interests.Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
Scatterplots showing the correlations between performance on the Glasgow Face Matching Test (GFMT) and the Cambridge Face Memory Test (CFMT) (upper left), the GFMT and the Before They Were Famous (BTWF) task (upper right), and the CFMT and BTWF (lower) in Study 1
Fig. 2
Fig. 2
Examples of a Mooney face
Fig. 3
Fig. 3
Scatterplots showing the correlations between performance on the three core face tests in Study 2
See this image and copyright information in PMC

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