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. 2015;29(1):95-117.
doi: 10.1080/02699931.2014.904222. Epub 2014 Apr 3.

Emotion, working memory task demands and individual differences predict behavior, cognitive effort and negative affect

Justin Storbeck  1 , Nicole A Davidson, Chelsea F Dahl, Sara Blass, Edwin Yung
Affiliations

Emotion, working memory task demands and individual differences predict behavior, cognitive effort and negative affect

Justin Storbeck et al. Cogn Emot. 2015.

Abstract

We examined whether positive and negative affect motivates verbal and spatial working memory processes, respectively, which have implications for the expenditure of mental effort. We argue that when emotion promotes cognitive tendencies that are goal incompatible with task demands, greater cognitive effort is required to perform well. We sought to investigate whether this increase in cognitive effort impairs behavioural control over a broad domain of self-control tasks. Moreover, we predicted that individuals with higher behavioural inhibition system (BIS) sensitivities would report more negative affect within the goal incompatible conditions because such individuals report higher negative affect during cognitive challenge. Positive or negative affective states were induced followed by completing a verbal or spatial 2-back working memory task. All participants then completed one of three self-control tasks. Overall, we observed that conditions of emotion and working memory incompatibility (positive/spatial and negative/verbal) performed worse on the self-control tasks, and within the incompatible conditions individuals with higher BIS sensitivities reported more negative affect at the end of the study. The combination of findings suggests that emotion and working memory compatibility reduces cognitive effort and impairs behavioural control.

Keywords: BIS; Cognitive control; Emotion; Negative affect.

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