Major Depressive Disorder and Emotion-Related Impulsivity: Are Both Related to Cognitive Inhibition?

Major Depressive Disorder and Emotion-Related Impulsivity: Are Both Related to Cognitive Inhibition? Previous studies indicate that emotion-relevant impulsivity is related to depression and relatedly, suicidal ideation and behavior. Little is known, however, about underlying mechanisms driving this impulsivity. We hypothesized that participants diagnosed with depression would show difficulties with emotion-related impulsivity and inhibition compared to controls, and that there would be a link between inhibition deficits and emotion-relevant impulsivity. To test these hypotheses, 60 participants diagnosed with lifetime major depressive disorder (MDD; 47 full-remission, 8 current MDD, 5 partial remission) and 100 nondepressed controls completed measures of impulsivity and current depressive symptoms, underwent a negative mood induction, and completed tasks that assessed components of inhibition: the ability to suppress pre-potent responses (antisaccade task) and the ability to resist interference (word-naming task). Although people with a history of MDD did not show cognitive inhibition deficits, they did endorse more emotion-related impulsivity, which in turn related to difficulty suppressing pre-potent responses. Limitations, as well as implications for future research and treatment are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cognitive Therapy and Research Springer Journals

Major Depressive Disorder and Emotion-Related Impulsivity: Are Both Related to Cognitive Inhibition?

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Medicine & Public Health; Quality of Life Research; Clinical Psychology; Cognitive Psychology
ISSN
0147-5916
eISSN
1573-2819
D.O.I.
10.1007/s10608-017-9885-2
Publisher site
See Article on Publisher Site

Abstract

Previous studies indicate that emotion-relevant impulsivity is related to depression and relatedly, suicidal ideation and behavior. Little is known, however, about underlying mechanisms driving this impulsivity. We hypothesized that participants diagnosed with depression would show difficulties with emotion-related impulsivity and inhibition compared to controls, and that there would be a link between inhibition deficits and emotion-relevant impulsivity. To test these hypotheses, 60 participants diagnosed with lifetime major depressive disorder (MDD; 47 full-remission, 8 current MDD, 5 partial remission) and 100 nondepressed controls completed measures of impulsivity and current depressive symptoms, underwent a negative mood induction, and completed tasks that assessed components of inhibition: the ability to suppress pre-potent responses (antisaccade task) and the ability to resist interference (word-naming task). Although people with a history of MDD did not show cognitive inhibition deficits, they did endorse more emotion-related impulsivity, which in turn related to difficulty suppressing pre-potent responses. Limitations, as well as implications for future research and treatment are discussed.

Journal

Cognitive Therapy and ResearchSpringer Journals

Published: Jan 3, 2018

References

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