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Brain damage and addictive behavior: a neuropsychological and electroencephalogram investigation with pathologic gamblers

Regard, M. and Knoch, D. and Gutling, E. and Landis, T.. (2003) Brain damage and addictive behavior: a neuropsychological and electroencephalogram investigation with pathologic gamblers. Cognitive and Behavioral Neurology, 16 (1). pp. 47-53.

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Official URL: http://edoc.unibas.ch/46042/

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Abstract

BACKGROUND: Gambling is a form of nonsubstance addiction classified as an impulse control disorder. Pathologic gamblers are considered healthy with respect to their cognitive status. Lesions of the frontolimbic systems, mostly of the right hemisphere, are associated with addictive behavior. Because gamblers are not regarded as "brain-lesioned" and gambling is nontoxic, gambling is a model to test whether addicted "healthy" people are relatively impaired in frontolimbic neuropsychological functions. METHODS: Twenty-one nonsubstance dependent gamblers and nineteen healthy subjects underwent a behavioral neurologic interview centered on incidence, origin, and symptoms of possible brain damage, a neuropsychological examination, and an electroencephalogram. RESULTS: Seventeen gamblers (81%) had a positive medical history for brain damage (mainly traumatic head injury, pre- or perinatal complications). The gamblers, compared with the controls, were significantly more impaired in concentration, memory, and executive functions, and evidenced a higher prevalence of non-right-handedness (43%) and, non-left-hemisphere language dominance (52%). Electroencephalogram (EEG) revealed dysfunctional activity in 65% of the gamblers, compared with 26% of controls. CONCLUSIONS: This study shows that the "healthy" gamblers are indeed brain-damaged. Compared with a matched control population, pathologic gamblers evidenced more brain injuries, more fronto-temporo-limbic neuropsychological dysfunctions and more EEG abnormalities. The authors thus conjecture that addictive gambling may be a consequence of brain damage, especially of the frontolimbic systems, a finding that may well have medicolegal consequences.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Social and Affective Neuroscience (Knoch)
UniBasel Contributors:Knoch, Daria
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Lippincott, Williams & Wilkins
ISSN:0894-878X
e-ISSN:1537-0887
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:03 Oct 2023 09:29
Deposited On:23 Nov 2017 09:43

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