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Perceptual asymmetry for chimeric faces and winter disturbances in mood and behavior

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Ennis, Edel and McConville, Christopher (2007) Perceptual asymmetry for chimeric faces and winter disturbances in mood and behavior. EUROPEAN PSYCHOLOGIST, 12 (2). pp. 130-138. [Journal article]

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DOI: 10.1027/1016-9040.12.2.130

Abstract

Different affective disturbances are related to brain activity, and, thus, to perceptual bias in very specific ways (Keller et al., 2000). During the winter months, approximately 90% of people report lowered levels of mood and increased levels of anxiety to varying degrees (e.g., Magnusson, 2000). The current study examines the relationship between such winter mood disturbances and perceptual asymmetry on the chimeric-face task using a nonclinical sample (38 males and 92 females). Because of the suggested influence of symbolic tight on cognitive processing of seasonal depressives (Bouhuys, Meesters, Jansen, & Bloem, 1994), chimeric faces were presented on both symbolic bright and dark backgrounds. Face processing demonstrated the expected left hemifacial perceptual bias. However, the magnitude of individuals' perceptual bias bore no relation to subjectively reported seasonality, depressed mood, or anxiety. This was regardless of whether the faces were displayed on symbolic bright or dark backgrounds. Methodological factors must be considered. However, results are discussed in terms of the importance of clarifying the distinct nature of the psychological and neurobiological profile associated with winter disturbances in mood, and the possible influences of symbolic light on cognitive processing.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Psychology
Research Institutes and Groups:Psychology Research Institute
Psychology Research Institute > Health and Wellbeing
ID Code:1715
Deposited By:Mrs Fiona Harkin
Deposited On:23 Dec 2009 09:44
Last Modified:16 Dec 2013 15:15

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