Background Low resting heart rate (RHR) and low systolic blood pressure (SBP) are associated with criminal behavior. However, knowledge is lacking about their predictive value for reoffending. Aim We aimed to examine associations of RHR and SBP with reoffending in a large population-based sample. Methods We conducted a cohort study of all convicted male conscripts born in Sweden 1958–1990 (N = 407,533). We obtained data by linking Swedish population-based registers. Predictor variables were RHR and SBP, measured at conscription which was mandatory until 2010 for men at age 18. The outcome variable was reoffending, defined as criminal convictions (any crime, violent crime and non-violent crime), obtained from the National Crime Register. We used survival analyses to test for associations of RHR and SBP with reoffending, adjusting for pertinent covariates such as socioeconomic status, height, weight and physical energy capacity. Results In fully adjusted Cox regression models, men with lower RHR (≤60 bpm) had higher risk of reoffending (any crime: HR = 1.17, 95% CI: 1.14, 1.19, violent crime: HR = 1.23, 95% CI: 1.17, 1.29, non-violent crime: HR = 1.16, 95% CI: 1.14, 1.19), compared to men with higher RHR (≥ 82 bpm). Men with lower SBP (≤80 mmHg) had higher risk of reoffending (any crime: HR = 1.19, 95% CI: 1.17, 1.21, violent crime: HR = 1.16, 95% CI: 1.12, 1.20, non-violent crime: HR = 1.20, 95% CI: 1.18, 1.22), compared to men with higher SBP (≥138 mmHg). Conclusions Low autonomic arousal is associated with increased risk of reoffending. RHR and SBP should be investigated further as potential predictors for reoffending as they each may have predictive value in risk assessment protocols.

Psychopathy and antisocial personality disorder (ASPD) have been of long-standing interest to clinicians and researchers due to their serious detrimental effects on both individuals and society as a whole. This chapter begins with an overview of historical writings that served as the foundation for modern conceptualizations of psychopathy and ASPD. Next, the chapter describes the main inventories for assessing psychopathy in use today and discusses how these various inventories differ from one another and how they relate to ASPD and other conditions in the official psychiatric nosology (the DSM-5). The chapter also summarizes findings regarding their neurobiological correlates. Following this, the authors describe an integrative conceptual-empirical framework—the triarchic model—for characterizing relations among different psychopathy measures and organizing what is known about their clinical and neurobiological correlates. The chapter then considers how the three constructs of the triarchic model—boldness, meanness, and disinhibition—are represented in the dimensional system for personality pathology within the DSM-5 and how they interface with the Hierarchical Taxonomy of Psychopathology (HiTOP), a new dimensional framework for psychopathology as a whole. Finally, the authors discuss how the triarchic model can be used to guide developmental research on psychopathy and coordinate further research on the role of neurobiological systems and processes in psychopathy.

The triarchic model was advanced as an integrative, trait-based framework for investigating psychopathy using different assessment methods and across developmental periods. Recent research has shown that the triarchic traits of boldness, meanness, and disinhibition can be operationalized effectively in youth, but longitudinal research is needed to realize the model's potential to advance developmental understanding of psychopathy. We report on the creation and validation of scale measures of the triarchic traits using questionnaire items available in the University of Southern California Risk Factors for Antisocial Behavior (RFAB) project, a large-scale longitudinal study of the development of antisocial behavior that includes measures from multiple modalities (self-report, informant rating, clinical-diagnostic, task-behavioral, physiological). Using a construct-rating and psychometric refinement approach, we developed triarchic scales that showed acceptable reliability, expected intercorrelations, and good temporal stability. The scales showed theory-consistent relations with external criteria including measures of psychopathy, internalizing/externalizing psychopathology, antisocial behavior, and substance use. Findings demonstrate the viability of measuring triarchic traits in the RFAB sample, extend the known nomological network of these traits into the developmental realm, and provide a foundation for follow-up studies examining the etiology of psychopathic traits and their relations with multimodal measures of cognitive-affective function and proneness to clinical problems.

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Low resting heart rate (HR) is a known risk indicator for the development of antisocial behavior (ASB) and other clinical problems. Stimulation seeking and fearlessness have been explored as factors underlying the HR/ASB relationship, but these have often been conflated, which has complicated interpretation. We examined HR’s associations with ASB and other outcomes in terms of biobehavioral traits described by the triarchic model of psychopathy using data ( N = 710) from a longitudinal study of ASB risk. Low resting HR in childhood was related to adult ASB, and covariance between ASB and traits of disinhibition and boldness largely accounted for this association. In addition, low childhood HR was related to greater externalizing problems and fewer internalizing problems in adulthood; disinhibition accounted for the former association, and boldness accounted for the latter. Findings indicate a role for both disinhibition and boldness in associations between early HR and later clinical outcomes and have implications for theory and practice.