Cardiff University | Prifysgol Caerdydd ORCA
Online Research @ Cardiff 
WelshClear Cookie - decide language by browser settings

Electrophysiological correlates of improved short-term memory for emotional faces

Langeslag, Sandra J. E., Morgan, Helen M., Jackson, Margaret C., Linden, David Edmund Johannes and Van Strien, Jan W. 2009. Electrophysiological correlates of improved short-term memory for emotional faces. Neuropsychologia 47 (3) , pp. 887-896. 10.1016/j.neuropsychologia.2008.12.024

Full text not available from this repository.

Abstract

Long-termmemory (LTM) is enhanced for emotional information, but the influence of stimulus emotionality on short-termmemory (STM) is less clear. We examined the electrophysiologicalcorrelates of improved visual STM for emotionalface identity, focusing on the P1, N170, P3b and N250r event-related potential (ERP) components. These correlates are taken to indicate which memory processing stages and cognitive processes contribute to the improved STM for emotionalface identity. In the encoding phase, one or three angry, happy or neutral faces were presented for 2 s, resulting in a memory load of one or three. The subsequent 1-s retention phase was followed by a 2-s retrieval phase, in which participants indicated whether a probe face had been present or not during encoding. Memory performance was superior for angry and happy faces over neutral faces at load three. None of the ERP components during encoding were affected by facial expression. During retrieval, the early P3b was decreased for emotional compared to neutral faces, which presumably reflects greater resource allocation to the maintenance of the emotionalfaces. Furthermore, the N250r during retrieval was increased for emotional compared to neutral faces, reflecting an enhanced repetition effect for emotionalfaces. These findings suggest that enhanced visual STM for emotionalfaces arises from improved maintenance and from improved detection of face repetition at retrieval.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Psychology
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords: Emotion; Facial expression; Working memory; Event-related potentials; N250r; P3b
Publisher: Elsevier
ISSN: 0028-3932
Last Modified: 04 Jun 2017 03:46
URI: http://orca.cf.ac.uk/id/eprint/26292

Citation Data

Cited 20 times in Google Scholar. View in Google Scholar

Cited 27 times in Scopus. View in Scopus. Powered By Scopus® Data

Cited 18 times in Web of Science. View in Web of Science.

Actions (repository staff only)

Edit Item Edit Item