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    The neural correlates of impaired inhibitory control in anxiety

    Ansari, T.L. and Derakhshan, Nazanin (2011) The neural correlates of impaired inhibitory control in anxiety. Neuropsychologia 49 (5), pp. 1146-1153. ISSN 0028-3932.

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    Abstract

    According to Attentional Control Theory (Eysenck et al., 2007) anxiety impairs the inhibition function of working memory by increasing the influence of stimulus-driven processes over efficient top-down control. We investigated the neural correlates of impaired inhibitory control in anxiety using an antisaccade task. Low- and high-anxious participants performed anti- and prosaccade tasks and electrophysiological activity was recorded. Consistent with previous research high-anxious individuals had longer antisaccade latencies in response to the to-be-inhibited target, compared with low-anxious individuals. Central to our predictions, high-anxious individuals showed lower ERP activity, at frontocentral and central recording sites, than low anxious individuals, in the period immediately prior to onset of the to-be-inhibited target on correct antisaccade trials. Our findings indicate that anxiety interferes with the efficient recruitment of top-down mechanisms required for the suppression of prepotent responses. Implications are discussed within current models of attentional control in anxiety ([Bishop, 2009], [Eysenck et al., 2007] and [Fales et al., 2008]).

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Anxiety, attention, ERP, antisaccade, inhibition
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 27 Jan 2011 13:44
    Last Modified: 11 Oct 2016 12:01
    URI: http://eprints.bbk.ac.uk/id/eprint/2983

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