Attentional modulations of event-related brain potentials sensitive to faces

Eimer, Martin (2000) Attentional modulations of event-related brain potentials sensitive to faces. Cognitive Neuropsychology 17 (1-3), pp. 103-116. ISSN 0264-3294.

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Official URL: https://doi.org/10.1080/026432900380517

Abstract

Event-related brain potentials (ERPs) were recorded in response to centrally and peripherally presented faces and chairs under conditions where one stimulus category was attended and the other unattended. It was studied whether selective attention affects ERP components sensitive to the presence of faces. When compared with chairs, faces elicited larger N1 amplitudes at lateral temporal electrodes and a midline positivity in the same latency range. The latter effect was only found for central faces. Attention to centrally presented faces was reflected in enhanced posterior N1 amplitudes. This effect may be related to an attentional modulation of processing within face-specific brain areas. It was not elicited by chairs or peripheral faces. Beyond 200msec post-stimulus, a category-unspecific attentional negativity was found at all recording sites for centrally and peripherally presented face and nonface stimuli.

Metadata

Item Type:	Article
School:	Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
Depositing User:	Sarah Hall
Date Deposited:	10 Dec 2019 11:20
Last Modified:	02 Aug 2023 17:56
URI:	https://eprints.bbk.ac.uk/id/eprint/30240

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