Abstract: This study describes the pattern of affect instability in adults with borderline personality disorder (BPD). Clinical histories and the Diagnostic Inventory for Borderlines were used to identify 3 groups: 1) BPD (N = 15), 2) Asymptomatic (N = 10), and, 3) Non-BPD, Anorexia Nervosa Clinical Control (N = 4). An experience sampling procedure (Hormuth, 1986) was used to obtain 50 measures of affect over 10 days. The findings showed that BPD subjects experienced higher levels of unpleasant affects and greater short-term fluctuations in unpleasant af...
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Topics: 
Clinical psychology
Psychiatry