The Bewildered Brain: Asymmetric Brain Activity as a Source of Cognitive Impairment in Depression

dc.contributor.authorCampbell, Kathryn
dc.contributor.authorHill, Stephen
dc.contributor.authorPodd, John
dc.date.accessioned2012-05-23T04:32:57Z
dc.date.available2012-05-23T04:32:57Z
dc.date.issued2011
dc.descriptionThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported Licenseen
dc.description.abstractIndividuals with depression commonly complain about cognitive deficits such as memory loss and poor decision making ability (Lahr, Beblo, & Hartje, 2007). However, despite considerable research, no single profile of cognitive deficits in depression has emerged (Ravnkilde et al., 2002). This may be a result of heterogeneity within the diagnostic category of depression. While typically diagnosed as a single disorder, the symptoms of depression may stem from different neurobiological causes leading to different profiles of cognitive deficits. Shenal, Harrison, and Demaree (2003) theorised that subtypes of depression could arise from dysfunctional brain activity in each of the quadrants of the brain (right frontal, left frontal, right posterior, and left posterior). For example, reduced left frontal activity in depression may be associated with impairments in tasks reliant on left frontal regions. Little research has directly investigated the possible link between variability in cognitive deficits and different patterns of dysfunctional brain activity in depression. The current paper reviews evidence for this link by describing depressed individuals’ performance on lateralised cognitive tasks, and discusses possibilities for future research.en
dc.identifier.issn2324-1330
dc.identifier.issn2324-1330
dc.identifier.urihttp://hdl.handle.net/10179/3382
dc.language.isoenen
dc.publisherMassey Universityen
dc.subjectAlpha poweren
dc.subjectBrain asymmetryen
dc.subjectCognitive impairmenten
dc.subjectCognitive deficitsen
dc.subjectDepressionen
dc.subjectDepression subtypesen
dc.subjectLateralisationen
dc.subjectNeuropsychologyen
dc.titleThe Bewildered Brain: Asymmetric Brain Activity as a Source of Cognitive Impairment in Depressionen
dc.typeArticleen
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