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<jats:sec><jats:title>Background</jats:title><jats:p>Recovery in bipolar disorder is central to its definition but is rarely complete. Previous work has suggested that neuropsychological impairment persists during the euthymic state but has been confounded partly by mild affective symptoms in remitted patients.</jats:p></jats:sec><jats:sec><jats:title>Aims</jats:title><jats:p>To characterise neuropsychological functioning in the euthymic phase of bipolar disorder with an emphasis on tasks of executive functioning.</jats:p></jats:sec><jats:sec><jats:title>Method</jats:title><jats:p>Thirty euthymic patients with bipolar disorder were compared with thirty healthy controls on neuropsychological tasks differentially sensitive to damage within prefrontal cortex.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Bipolar I patients were impaired on tasks of attentional set shifting, verbal memory and sustained attention. Only sustained attention deficit survived controlling for mild affective symptoms. This deficit was related to progression of illness, but was none the less present in a subgroup of patients near illness onset.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>Sustained attention deficit may represent a neuropsychological vulnerability marker for bipolar disorder, providing a focus for further understanding of the phenotype and analysis of the neuronal networks involved.</jats:p></jats:sec>

Original publication

DOI

10.1192/bjp.180.4.313

Type

Conference paper

Publisher

Royal College of Psychiatrists

Publication Date

04/2002

Volume

180

Pages

313 - 319