Metabolic correlates of behavioral and affective disturbances in frontal lobe pathologies

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Serval ID
serval:BIB_D6C4EA2C0FFB
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Metabolic correlates of behavioral and affective disturbances in frontal lobe pathologies
Journal
Journal of Neurology
Author(s)
Sarazin Marie, Michon Agnès, Pillon Bernard, Samson Yves, Canuto Alessandra, Gold Gabriel, Bouras Constantin, Dubois Bruno, Giannakopoulos Panteleimon
ISSN
0340-5354
Publication state
Published
Issued date
2003
Peer-reviewed
Oui
Volume
250
Number
7
Pages
827-833
Language
english
Notes
SAPHIRID:64309
Abstract
OBJECTIVE: Although previous studies have shown that the human frontal cortex is involved in the experience of emotions as well as in social behavior, data regarding the exact anatomical substrates of behavioral and affective deficits in frontal lobe pathologies are still scarce. The aim of this study was to investigate the metabolic correlates of these deficits in a group of non-selected consecutive patients with frontal lobe lesions. PATIENTS AND METHODS: Clinicometabolic correlations between several emotional and social parameters and metabolic patterns in the frontal cortex and amygdala were investigated in 32 patients with frontal lobe pathologies. The behavioral disturbances were evaluated using the Lhermitte's informant questionnaire. Regional cerebral glucose metabolism was measured with [(18)F] fluorodeoxyglucose and high-resolution positron emission tomography. Statistical analysis was performed using both single variable correlation and multiple regression analyses. RESULTS: Both single variable and multivariate analyses demonstrate that decreased regional glucose metabolism in the right medial area 10 was associated with apathy. There were also significant negative relationships between metabolism in the right orbitofrontal cortex and stereotypy and indifference to rules. Impulsiveness, personality disturbances and loss of emotional control were associated with decreased metabolism in the left amygdala. CONCLUSIONS: In terms of clinicometabolic correlations, the present data support the implication of different functional anatomic systems in frontal lobe-related behavioral and affective disturbances. In particular, they imply that the classically described symptoms of impaired behavioral control may be related to right orbitofrontal cortex hypometabolism whereas impaired regulation of emotions may result from a functional damage of the left amygdala.
Pubmed
Web of science
Open Access
Yes
Create date
10/03/2008 11:04
Last modification date
01/10/2019 6:19
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