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Emotions, behaviours and mood changes in stroke

Carota, Antonio; Staub, Fabienne; Bogousslavsky, Julien

Current Opinion in Neurology:
Articles
Abstract

The brain mediates and integrates all cognitive activities, emotional experiences and finally behaviours. Stroke is undoubtedly a privileged disease for human behavioural studies, because of its high incidence. Recent advances in high‐resolution magnetic resonance imaging techniques and functional neuroimaging allow both the precise localization of lesions and on‐line visualization of the activity of cerebral areas and networks. Nevertheless, the neuropsychiatry of stroke remains uncertain in its relationship with brain dysfunction. Clinical studies on registry populations, single case studies, and functional neuroimaging data provide interesting findings, but differences in methods and great individual intervariability still prevent a complete understanding of emotional perception and behavioural responses in stroke. We adopted an anatomical‐functional model as an operational framework in order to systematize the recent literature on emotional, behavioural and mood changes after stroke. The dysfunction of the areas subserving fundamental and executive functions induces behavioural and affective changes (such as depression, anxiety, apathy) that reflect the dysfunction of the whole system. Conversely, lesions in the system of instrumental functions induce signature syndromes (aphasia, anosognosia). At any delay from stroke, the diagnosis and treatment of mood and behavioural changes are a priority for clinicians and healthcare professionals to improve the quality of life of patients. Curr Opin Neurol 15:57–69. © 2002 Lippincott Williams & Wilkins.

Author Information

Service de Neurologie, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland

Correspondence to Antonio Carota, MD, Service de Neurologie, BH013, CHUV hospital, CH‐1011 Lausanne, Switzerland E‐mail: antcar@swissonline.ch

Copyright © 2002 Wolters Kluwer Health, Inc. All rights resereved.