Clinical Differentiation of Bipolar II Disorder From Borderline Personality Disorder

Adam Bayes; Gordon Parker; Kathryn Fletcher


Curr Opin Psychiatry. 2014;27(1):14-20. 

In This Article

Neuropsychological Deficits

Although many neuropsychological studies contrasting bipolar and BPD have been undertaken (see Coulston et al. [4]), few have directly compared BP II with BPD and most separately compared BP II with controls and BPD with controls. Executive function deficits (measured by the Wisconsin Card Sorting Test) have been reported in BPD,[58] whereas in BP II, executive function deficits were more broad.[4] However, deficits of this nature have been reported as dependent on mood state and episode type in bipolar.[59] Deficits in sustained attention are typically seen in bipolar[60] but not BPD.[58] Deficits in working memory and verbal memory were found in a systematic review of 14 neuropsychological studies of BP II compared with controls,[61] whereas spatial working memory was intact in BPD relative to controls.[58]