Dissociating effects of subclinical anxiety and depression on cognitive control |
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Authors: | Ng Jody Chan Hoi Yan Schlaghecken Friederike |
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Institution: | Department of Psychology, University of Warwick, Coventry, UK. |
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Abstract: | Even at subclinical levels, anxiety and depression are associated with impaired cognitive control. It is unclear, though, to what extent these deficits reflect a common underlying dysfunction. Using a non-affective hybrid masked prime-Simon task, we obtained several measures of within- and between- trial inhibitory behavioral control in 80 young, healthy volunteers, together with measures of their anxiety and depression levels. Neither depression nor anxiety affected low-level within-trial control, or any of the between-trial control measures. However, increased levels of depression, but not of anxiety, were associated with impaired high-level within-trial control (increased Simon effect). Results indicate that depression, but not anxiety, impairs voluntary online response-control mechanisms independent of affective content. |
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Keywords: | cognitive control inhibition subclinical depression subclinical anxiety hybrid masked prime-Simon task |
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