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Bipolar Disord. 2017 Mar;19(2):146-153. doi: 10.1111/bdi.12485. Epub 2017 Apr 19.

Cognitive profiles in euthymic patients with bipolar disorders: results from the FACE-BD cohort.

Author information

1
Service Universitaire de Psychiatrie d'adultes, Centre Hospitalier de Versailles, Le Chesnay, France.
2
Laboratoire HandiRESP-EA4047, UFR des sciences de la santé Simone Veil, Université de Versailles Saint-Quentin-En-Yvelines, Montigny-le-Bretonneux, France.
3
Fondation Fondamental, Créteil, France.
4
AP-HP, Hôpitaux Universitaires Henri Mondor, DHU Pepsy, Pôle de Psychiatrie et d'Addictologie, Créteil, France.
5
Université Paris Est, Faculté de Médecine, Créteil, France.
6
Inserm, U955, Equipe Psychiatrie Translationnelle, Créteil, France.
7
Pôle de Psychiatrie, Centre Hospitalier Princesse Grace, Monaco, France.
8
Hôpital Charles Perrens, Centre Expert Trouble Bipolaire, Pôle de Psychiatrie Générale et Universitaire (3/4/7), Bordeaux, France.
9
AP-HM, Hôpital Sainte-Marguerite, Pôle de Psychiatrie, Marseille, France.
10
AP-HP, GH Saint-Louis - Lariboisière - Fernand Widal, Pôle Neurosciences, Paris, France.
11
Université Paris Diderot, UMR-S 1144, Paris, France.
12
University Joseph Fourier, Grenoble I, BP 53, Grenoble, France.
13
CHU de Grenoble, CS10217, Grenoble, France.
14
Grenoble Institut des Neurosciences (GIN), Inserm U 836, Chemin Fortuné Ferrini, La Tronche, France.
15
Psychiatric Emergency Department, CHRU, Montpellier, France.
16
INSERM U1061, Montpellier University, Montpellier, France.
17
Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
18
Pôle de Psychiatrie et Psychologie Clinique - Centre Psychothérapique de Nancy, Laxou, France.
19
Université de Lorraine, Nancy, France.
20
Institut Pasteur, Unité Perception et Mémoire, Paris, France.

Abstract

OBJECTIVES:

Although cognitive deficits are a well-established feature of bipolar disorders (BD), even during periods of euthymia, little is known about cognitive phenotype heterogeneity among patients with BD.

METHODS:

We investigated neuropsychological performance in 258 euthymic patients with BD recruited via the French network of expert centers for BD. We used a test battery assessing six domains of cognition. Hierarchical cluster analysis of the cross-sectional data was used to determine the optimal number of subgroups and to assign each patient to a specific cognitive cluster. Subsequently, subjects from each cluster were compared on demographic, clinical functioning, and pharmacological variables.

RESULTS:

A four-cluster solution was identified. The global cognitive performance was above normal in one cluster and below normal in another. The other two clusters had a near-normal cognitive performance, with above and below average verbal memory, respectively. Among the four clusters, significant differences were observed in estimated intelligence quotient and social functioning, which were lower for the low cognitive performers compared to the high cognitive performers.

CONCLUSIONS:

These results confirm the existence of several distinct cognitive profiles in BD. Identification of these profiles may help to develop profile-specific cognitive remediation programs, which might improve functioning in BD.

KEYWORDS:

attention; bipolar disorders; cluster analysis; cognition; euthymia; executive functions; social functioning; speed processing; verbal memory; working memory

PMID:
28421717
DOI:
10.1111/bdi.12485
[Indexed for MEDLINE]

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