• Comprehensive psychiatry · Feb 2017

    A short-term longitudinal examination of the relations between depression, anhedonia, and self-injurious thoughts and behaviors in adults with a history of self-injury.

    • Melissa J Zielinski, Jennifer C Veilleux, E Samuel Winer, and Michael R Nadorff.
    • University of Arkansas for Medical Sciences, Psychiatric Research Institute, Brain Imaging Research Center, Little Rock, AR 72205; University of Arkansas, Department of Psychological Science, Fayetteville, AR 72701, USA. Electronic address: MJZielinski@uams.edu.
    • Compr Psychiatry. 2017 Feb 1; 73: 187-195.

    BackgroundLimited research has addressed the role of anhedonia in predicting suicidality and/or nonsuicidal self-injury (NSSI) in adults, despite evidence suggesting that loss of interest or pleasure may increase vulnerability for self-inflicted harm, even beyond other depressive symptoms.MethodsIn the current study, we explored the role of symptoms of depression and recent changes in anhedonia in predicting suicidality, NSSI ideation, and perceptions of NSSI helpfulness among individuals with a history of NSSI or suicide attempts (N=187).ResultsWe found that changes in anhedonia partially mediated the effect of depression on suicidality, and fully mediated the effect of depression on perceptions of NSSI helpfulness. Anhedonia did not predict NSSI ideation above and beyond depression symptoms, and did not significantly predict NSSI frequency when accounting for suicidality. Compared to individuals with a history of NSSI only or suicide attempt only, people with a history of both NSSI and suicide attempt evidenced greater risk and symptomatology.ConclusionsResults confirm the relation between anhedonia and suicidality evidenced in past research, but suggest a complex relationship between anhedonia, depression, and facets of non-suicidal self-injury.Copyright © 2016 Elsevier Inc. All rights reserved.

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