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Event-related potentials reveal the development of stable face representations from natural variability.

Andrews, Sally and Burton, Mike A. and Schweinberger, Stefan R. and Wiese, Holger (2017) 'Event-related potentials reveal the development of stable face representations from natural variability.', Quarterly journal of experimental psychology., 70 (8). 1620-1632 .

Abstract

Natural variability between instances of unfamiliar faces can make it difficult to reconcile two images as the same person. Yet for familiar faces, effortless recognition occurs even with considerable variability between images. To explore how stable face representations develop, we employed incidental learning in the form of a face sorting task. In each trial, multiple images of two facial identities were sorted into two corresponding piles. Following the sort, participants showed evidence of having learnt the faces performing more accurately on a matching task with seen than with unseen identities. Furthermore, ventral temporal event-related potentials were more negative in the N250 time range for previously seen than for previously unseen identities. These effects appear to demonstrate some degree of abstraction, rather than simple picture learning, as the neurophysiological and behavioural effects were observed with novel images of the previously seen identities. The results provide evidence of the development of facial representations, allowing a window onto natural mechanisms of face learning.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1080/17470218.2016.1195851
Publisher statement:This is an Accepted Manuscript of an article published by Taylor & Francis Group in Quarterly journal of experimental psychology on 28/06/2016 available online at: http://www.tandfonline.com/10.1080/17470218.2016.1195851
Date accepted:20 May 2016
Date deposited:01 December 2016
Date of first online publication:28 June 2016
Date first made open access:28 December 2017

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