Selective deficits in semantic verbal fluency in patients with a first affective episode with psychotic symptoms and a positive history of mania.
Authors
Kravariti, EugeniaReichenberg, Abraham
Morgan, Kevin
Dazzan, Paola
Morgan, Craig
Zanelli, Jolanta W
Lappin, Julia M
Doody, Gillian A
Harrison, Glynn
Jones, Peter B
Murray, Robin M
Fearon, Paul
Affiliation
Department of Psychiatry, NIHR Biomedical Research Centre, Maudsley NHS Foundation Trust/Institute of Psychiatry, King's College London, Box 58, De Crespigny Park, London SE5 8AF, UK. e.kravariti@iop.kcl.ac.ukIssue Date
2009-05MeSH
AdolescentAdult
Affective Disorders, Psychotic
Bipolar Disorder
Case-Control Studies
Cognition Disorders
Female
Humans
Male
Middle Aged
Neuropsychological Tests
Psychiatric Status Rating Scales
Semantics
Statistics, Nonparametric
Verbal Behavior
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Selective deficits in semantic verbal fluency in patients with a first affective episode with psychotic symptoms and a positive history of mania. 2009, 11 (3):323-9 Bipolar DisordJournal
Bipolar disordersDOI
10.1111/j.1399-5618.2009.00673.xPubMed ID
19419389Additional Links
DOI: 10.1111/j.1399-5618.2009.00673.xAbstract
Neurocognitive dysfunction is likely to represent a trait characteristic of bipolar disorder, but the extent to which it comprises 'core' deficits as opposed to those secondary to longstanding illness or intellectual decline is unclear. We investigated neuropsychological performance in an epidemiologically derived sample of patients with a first affective episode with psychotic symptoms and a positive history of mania, compared to community controls.Using a nested case-control, population-based study, measures of episodic and working memory, executive function, processing speed, and visual-spatial perception were compared between 35 patients with a first affective episode with psychotic symptoms and a positive history of mania, and 274 community controls, as well as a subgroup of 105 controls matched on current IQ ('good' versus 'poor') and IQ trajectory ('stable', 'declined', or 'improved') with the patients (three controls per case).
Compared to the extended control sample, probands showed a suggestive deficit in short-term verbal recall, and a significant deficit in semantic fluency. Only the latter was detectable in the comparison with the IQ-matched controls. All other neurocognitive domains showed intact performance or nonsignificant deficits of small effect sizes compared to both control groups. Semantic fluency showed no association with symptoms or duration of untreated illness.
Patients with a first affective episode with psychotic symptoms and a positive history of mania show an isolated, selective deficit in semantic verbal fluency, against a background of generally preserved neurocognitive function. This pattern seems to contrast with the more widespread neuropsychological dysfunction seen in schizophrenia.
Language
enISSN
1399-5618ae974a485f413a2113503eed53cd6c53
10.1111/j.1399-5618.2009.00673.x
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