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The impact of affective information on working memory: A pair of meta-analytic reviews of behavioral and neuroimaging evidence.

ABSTRACT: Everyday life is defined by goal states that are continuously reprioritized based on available, often affective information. To pursue these goals, individuals need to process and maintain goal-relevant information, while ignoring potentially salient information that distracts resources from these goals. Empirically, this ability has typically been operationalized as working memory (WM) capacity. A growing body of research is investigating the impact of information's affective salience on WM capacity. In the present review we address this question by exploring the potential differential impact of affective compared with neutral information on WM, and the underlying neural substrates. One-hundred and 65 studies (N = 7,433) were included in the meta-analysis. Results showed negligible to small (d? = -.07-.20) effects of affective information on behavioral measures of WM in healthy individuals (n = 4,936) that varied as a function of valence and task-relevance. Heterogeneity analyses were significant, demonstrating the need to identify further study-specific factors and individual differences that moderate affective WM. At the neural level (33 studies; n = 683), processing affective versus neutral material during WM tasks was associated with more frequent recruitment of the vlPFC, the amygdala, and the temporo-occipital cortex. In contrast to healthy individuals, across behavioral studies those suffering from mental health problems (n = 2,041) showed impaired WM accuracy (d? = -0.21) in the presence of affective material. These findings highlight the importance of integrating behavioral and neural levels of analysis. Finally, these findings suggest that affective WM capacity may be a transdiagnostic mechanism associated with poor mental health. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

SUBMITTER: Schweizer S

PROVIDER: S-EPMC6526745 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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The impact of affective information on working memory: A pair of meta-analytic reviews of behavioral and neuroimaging evidence.

Schweizer Susanne S Satpute Ajay B AB Atzil Shir S Field Andy P AP Hitchcock Caitlin C Black Melissa M Barrett Lisa Feldman LF Dalgleish Tim T

Psychological bulletin 20190425 6

Everyday life is defined by goal states that are continuously reprioritized based on available, often affective information. To pursue these goals, individuals need to process and maintain goal-relevant information, while ignoring potentially salient information that distracts resources from these goals. Empirically, this ability has typically been operationalized as working memory (WM) capacity. A growing body of research is investigating the impact of information's affective salience on WM cap ...[more]

PMID: 31021136

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Project description:ObjectiveChildren with ADHD demonstrate impaired performance on a wide range of neuropsychological tests. It is unclear, however, whether ADHD is associated with many neurocognitive deficits or whether a small number of impairment(s) broadly influence test performance. The current study tests competing model predictions regarding two candidate causal mechanisms in ADHD: information processing speed and working memory.MethodA well-characterized sample of 86 children (Mage = 10.52, SDage = 1.54; 34 girls; 64% Caucasian/Non-Hispanic) with ADHD (n = 45) and without ADHD (n = 41) completed eight fully crossed experimental tasks that systematically manipulated working memory (BF?? = 1.80 × 10?³) and information processing speed (drift rate; BF?? = 7.61 × 10?).ResultsBayesian mixed-model ANOVAs indicated that increasing working memory demands produced significant reductions in information processing speed (drift rate; BF?? = 5.82 × 10??). In contrast, experimentally reducing children's information processing speed did not significantly change their working memory performance (BF?? = 1.31). ADHD status interacted with the working memory manipulation, such that the ADHD and non-ADHD groups showed equivalently high accuracy under the encoding-only conditions (BF?? = 3.45) but differed significantly under high working memory conditions (encoding + recall; BF?? = 19.58). Importantly, however, ADHD status failed to interact with (a) the working memory manipulation to differentially affect information processing speed and (b) the information processing speed manipulation to differentially affect working memory performance (all BF?? > 4.25).ConclusionsThese findings indicate that top-down executive control exerts significant effects on children's ability to quickly process information, but that working memory deficits and slowed information processing speed appear to be relatively independent impairments in ADHD. (PsycINFO Database Record (c) 2020 APA, all rights reserved).

Dataset Information

The impact of affective information on working memory: A pair of meta-analytic reviews of behavioral and neuroimaging evidence.

Publications

The impact of affective information on working memory: A pair of meta-analytic reviews of behavioral and neuroimaging evidence.

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