Intentionally hurting one’s own body (deliberate self-harm; DSH) is theorized to be associated with high negative emotional reactivity and poor emotion regulation ability. However, little research has assessed the relationship between these potential risk factors and DSH using laboratory measures. Therefore, we conducted two studies using laboratory measures of negative emotional reactivity and emotion regulation ability. Study 1 assessed self-reported negative emotions during a sad film clip (Reactivity) and during a sad film clip for which participants were instructed to use reappraisal (Regulation). Those with a history of DSH were compared to two control groups without a history of DSH matched on key demographics: one healthy group low in depression and anxiety symptoms and one group matched to the DSH group on depression and anxiety symptoms. Study 2 extended Study 1 by assessing neural responding to negative images (Reactivity) and negative images for which participants were instructed to use reappraisal (Regulation). Those with a history of DSH were compared to a control group matched to the DSH group on demographics, depression, and anxiety symptoms. Compared to control groups, participants with a history of DSH did not exhibit greater negative emotional reactivity but did exhibit lower ability to regulate emotion with reappraisal (greater self-reported negative emotions in Study 1 and greater amygdala activation in Study 2 during regulation). These results suggest that poor emotion regulation ability, but not necessarily greater negative emotional reactivity, is a correlate of and may be a risk factor for DSH, even when controlling for mood disorder symptoms.
Mindfulness-based cognitive therapy (MBCT) has been shown to be an effective treatment for mood and anxiety disorders. Little is known, however, about the specific psychological skills that may improve with MBCT. The present study investigated the relationship between history of MBCT and emotion regulation ability. Specifically, we examined cognitive reappraisal ability (CRA) in a sample of individuals with a history of MBCT compared with two control groups: a group without a history of any type of therapy and a group with a history of cognitive behavioral therapy (CBT). Groups were matched on key variables including age, sex, education, working memory, emotional reactivity, and life stress. CRA was measured using a standardized laboratory challenge. Results indicated that participants with a history of MBCT demonstrated higher CRA than both the no-therapy control group and the CBT control group. These results suggest that, by guiding people to accept thoughts and feelings without judgment and to focus on the present moment, MBCT may lay the foundation for increased CRA.
Non-suicidal self-injury (NSSI) is highly prevalent and associated with tissue damage, emotional distress, and psychiatric disorders. While often discussed in the context of Borderline Personality Disorder and suicide, research demonstrates that NSSI is distinct from these constructs and should be viewed as an independent diagnostic category. Recently, Non-Suicidal Self-Injury Disorder (NSSID) was included in the revised Diagnostic and Statistical Manual of Mental Disorders as a condition for further study. In this article, we describe the properties of a self-report measure designed to assess proposed criteria for NSSID. Undergraduate students at two large, public universities completed the NSSID Scale (NSSIDS) along with other measures of NSSI characteristics and psychopathology. Among participants with a history of NSSI, approximately half (54.55%) met diagnostic criteria for NSSID. Participants were most frequently excluded from an NSSID diagnosis on the basis of criterion A (frequency of NSSI) and criterion E (distress or impairment related to NSSI), while participants were least likely to be excluded from diagnosis on the basis of criterion D (NSSI method exclusions) and criterion F (diagnostic “rule-outs”). Consistent with previous literature, the most commonly reported precipitants to NSSI were negative feelings or thoughts (criterion C2). Participants who met criteria for NSSID reported more severe depression, anxiety, and NSSI than participants who engaged in NSSI but did not meet criteria for NSSID. These results support the use of the NSSIDS as a reliable and valid self-report measure of NSSID symptoms.
We introduce a new measure of sub-clinical self-harm tendencies, the Voodoo Doll Self-Injury Task (VDSIT). In this computer task, participants virtually stick a number of sharp pins in a doll that represents themselves. Across five community and undergraduate samples who were not recruited based on their self-harm history or risk (total N = 1,289), VDSIT scores were higher among participants with histories of actual self-injury and were positively correlated with state and trait level motivations to self-harm. VDSIT scores did not correspond to tendencies to harm others, showed sensitivity to experimental manipulations that increase self-harm tendencies, and were positively correlated with elished risk factors for self-harm (e.g., depression). The VDSIT did not, on average, elicit significant distress from participants during or after the task, even among participants who had previously engaged in self-harm. Whereas the clinical utility of this measure remains unexamined, these findings provide initial support for the VDSIT's sub-clinical validity, which can help researchers accurately, economically, and rapidly measure state and trait level self-harm tendencies using both correlational and experimental designs.
We introduce a new measure of sub-clinical self-harm tendencies, the Voodoo Doll Self-Injury Task (VDSIT). In this computer task, participants virtually stick a number of sharp pins in a doll that represents themselves. Across five community and undergraduate samples who were not recruited based on their self-harm history or risk (total N = 1,289), VDSIT scores were higher among participants with histories of actual self-injury and were positively correlated with state and trait level motivations to self-harm. VDSIT scores did not correspond to tendencies to harm others, showed sensitivity to experimental manipulations that increase self-harm tendencies, and were positively correlated with established risk factors for self-harm (e.g., depression). The VDSIT did not, on average, elicit significant distress from participants during or after the task, even among participants who had previously engaged in self-harm. Whereas the clinical utility of this measure remains unexamined, these findings provide initial support for the VDSIT’s sub-clinical validity, which can help researchers accurately, economically, and rapidly measure state and trait level self-harm tendencies using both correlational and experimental designs.
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