Abstract
This study examines the affect regulation function of different types of nonsuicidal self-injury (NSSI) in 177 female eating-disordered inpatients. Almost 45% of the eating-disordered patients displayed at least 1 type of NSSI. Cutting and scratching were the most common forms of NSSI followed by bruising and burning oneself. For all types of NSSI except bruising, the affect regulation function was most strongly endorsed. Affect states reported to precede and follow NSSI were also examined to determine the particular affect states regulated by NSSI. In general, positively valenced low-arousal affect states increased and negatively valenced high-arousal affect states decreased from before to after NSSI. Finally, affective changes associated with NSSI were related to different NSSI characteristics, indicating that the increase in positive affect after NSSI is significantly related to the frequency of NSSI and the numbers of functions reported for NSSI. Theoretical and treatment implications are discussed.
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