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The present study expands upon the Interpersonal Psychological Theory of Suicide (IPTS), examining its relationship with the need for affect (NFA), a construct explaining attitudes toward seeking both positive and negative emotions. A sample of 576 emerging adults completed measures of NFA, IPTS, suicide proneness, and demographics online. Findings include NFA accounting for a small significant amount of suicide proneness, a positive association between approaching emotions and one indicator of suicide proneness, negative association between approaching emotions and thwarted belongingness, and positive associations between avoidance of emotions with both perceived burdensomeness and thwarted belongingness. Findings are discussed concerning NFA as a theoretically and practically relevant factor for understanding suicide.

The present article investigates the traumatic brain injury (TBI)-suicide link, assessing whether (a) TBI accounts for variance in suicide risk, and (b) the interpersonal-psychological theory of suicide can be applied to TBI status. Matched case-control procedures applied to archival college student health data identified TBI and non-TBI subsamples (84 total). Individuals with a TBI possessed higher suicide risk than those without. Even accounting for the relative influence of strong suicide risk factors (i.e., depression, perceived burdensomeness, thwarted belongingness, and acquired capability), TBI was robustly associated with suicide risk. TBI history would be valuable to ascertain in assessing suicide risk.

Suicide is a leading cause of death worldwide. Although inconsistent, impulsivity has been identified as a risk factor for suicidal thoughts and behaviors, and these inconsistent findings can largely be attributed to varying operationalizations of impulsivity. As such, the UPPS model of impulsivity provides a clear definition of impulsivity and its associated features that may provide utility in clarifying unreliable findings between impulsivity and suicide. This review aimed to summarize relevant information pertaining to the UPPS model of impulsivity and suicide. This systematic review followed the a priori guide outlined by the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement. Articles were gathered from PsycINFO, PsycArticles, Scopus, and PubMed. Twenty-eight articles were reviewed and analyzed. Most articles reviewed reported on indirect (i.e., through mediators and moderators) associations between the UPPS dimensions and suicidal behaviors. Additionally, results noted limited between-group differences in UPPS facets among individuals with a history of suicide attempts and those without a history of suicide attempts, those with a history of suicide attempts and individuals with suicide ideation, and those with suicide ideation and those without suicide ideation, with the exception of lack of premeditation. The results of this review indicate support for the UPPS model of impulsivity as a theoretical starting point when examining the relation between impulsivity and suicide. Further, findings are helpful for clinicians and case conceptualization. Particularly, suicide risk assessment and treatment would be impacted based on impulsivity traits and suicide history. [ABSTRACT FROM AUTHOR]