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Cognitive functioning in patients with familial bipolar I disorder and their unaffected relatives.

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Title: Cognitive functioning in patients with familial bipolar I disorder and their unaffected relatives.
Authors: Antila M (AUTHOR), Tuulio-Henriksson A (AUTHOR), Kieseppä T (AUTHOR), Eerola M (AUTHOR), Partonen T (AUTHOR), Lönnqvist J (AUTHOR)
Source: Psychological Medicine. May2007, Vol. 37 Issue 5, p679-687. 9p.
Abstract: BACKGROUND: Impairments in verbal learning and memory, executive functions and attention are manifest in some euthymic patients with bipolar disorder (BPD). However, evidence is sparse on their putative role as aetiologically important genetic vulnerability markers for the disorder. This population-based study examined the cognitive functions of affected and unaffected individuals in families with BPD. The aim was to discover whether any cognitive function would indicate genetic liability to the disorder and could thus be regarded as endophenotypes of BPD. METHOD: A diagnostic interview and a neuropsychological test battery were administered to 32 familial bipolar I disorder patients, 40 of their unaffected first-degree relatives and 55 controls, all representing population-based samples. RESULTS: Unaffected first-degree relatives showed impairment in psychomotor performance speed and slight impairment in executive function. Bipolar patients were impaired in verbal learning and memory compared with unaffected relatives and controls. They also differed from controls in tasks of executive functions. There were no difference between the groups in simple attention and working memory tasks. CONCLUSIONS: Impaired psychomotor performance speed and executive function may represent endophenotypes of BPD, reflecting possible underlying vulnerability to the disorder. Verbal memory impairments appear to be more related to the fully developed disorder. [ABSTRACT FROM AUTHOR]
Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Cognitive functioning in patients with familial bipolar I disorder and their unaffected relatives.
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  Data: <searchLink fieldCode="AR" term="%22Antila+M%22">Antila M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tuulio-Henriksson+A%22">Tuulio-Henriksson A</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kieseppä+T%22">Kieseppä T</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eerola+M%22">Eerola M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Partonen+T%22">Partonen T</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lönnqvist+J%22">Lönnqvist J</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Psychological+Medicine%22">Psychological Medicine</searchLink>. May2007, Vol. 37 Issue 5, p679-687. 9p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: BACKGROUND: Impairments in verbal learning and memory, executive functions and attention are manifest in some euthymic patients with bipolar disorder (BPD). However, evidence is sparse on their putative role as aetiologically important genetic vulnerability markers for the disorder. This population-based study examined the cognitive functions of affected and unaffected individuals in families with BPD. The aim was to discover whether any cognitive function would indicate genetic liability to the disorder and could thus be regarded as endophenotypes of BPD. METHOD: A diagnostic interview and a neuropsychological test battery were administered to 32 familial bipolar I disorder patients, 40 of their unaffected first-degree relatives and 55 controls, all representing population-based samples. RESULTS: Unaffected first-degree relatives showed impairment in psychomotor performance speed and slight impairment in executive function. Bipolar patients were impaired in verbal learning and memory compared with unaffected relatives and controls. They also differed from controls in tasks of executive functions. There were no difference between the groups in simple attention and working memory tasks. CONCLUSIONS: Impaired psychomotor performance speed and executive function may represent endophenotypes of BPD, reflecting possible underlying vulnerability to the disorder. Verbal memory impairments appear to be more related to the fully developed disorder. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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              Text: May2007
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