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Enhancement of face-sensitive ERPs in older adults induced by face recognition training.

Limbach, Katharina and Kaufmann, Jürgen M. and Wiese, Holger and Witte, Otto W. and Schweinberger, Stefan R. (2018) 'Enhancement of face-sensitive ERPs in older adults induced by face recognition training.', Neuropsychologia., 119 . pp. 197-213.

Abstract

A common cognitive problem reported by older people is compromised face recognition, which is often paralleled by age-related changes in face-sensitive and memory-related components in event-related brain potentials (ERPs). We developed a new training using photorealistic caricatures based on evidence that caricatures are beneficial for people with compromised face processing. Twenty-four older participants (62–75 yrs, 13 female) completed 12 training sessions (3 per week, 60 min each) and 24 older participants (61–76 yrs, 12 female) acted as controls. Before and after training (or waiting), participants took part in a diagnostic test battery for face processing abilities, and in ERP experiments on face learning and recognition. Although performance improvements during the training provided little evidence for generalization to other face processing tasks, ERPs showed substantial training-related enhancements of face-sensitive ERPs. Specifically, we observed marked increases of the N170, P200 and N250 components, which may indicate training-induced enhancement of face detection and activation of identity-specific representations. Thus, neuronal correlates of face processing are plastic in older age, and can be modulated by caricature training.

Item Type:Article
Full text:(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.neuropsychologia.2018.08.010
Publisher statement:© 2018 This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Date accepted:11 August 2018
Date deposited:15 August 2018
Date of first online publication:13 August 2018
Date first made open access:13 August 2019

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