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The neuropsychiatry of impulsivity

The neuropsychiatry of impulsivity a,b a,b Samuel R. Chamberlain and Barbara J. Sahakian Purpose of review Abbreviations Impulsive symptoms occur across neuropsychiatric ADHD attention deficit hyperactivity disorder DSM-IV Diagnostic and Statistical Manual of Mental Disorders version IV disorders, with important ramifications for everyday OCD obsessive – compulsive disorder functioning and quality of life. This article considers recent RIFG right inferior frontal gyrus developments in the neuropsychological assessment of impulsivity with a focus on the ability to suppress motor 2007 Lippincott Williams & Wilkins responses (response inhibition). 0951-7367 Recent findings Using objective tests, response inhibition deficits were identified in several neuropsychiatric conditions associated Introduction with impulsivity, namely attention deficit hyperactivity The term ‘impulsivity’ encompasses a multitude of disorder, trichotillomania, obsessive – compulsive disorder, behaviours or responses that are poorly conceived, and chronic substance abuse. Deficits were also found in premature, inappropriate, and that frequently result in unaffected first-degree relatives of attention deficit unwanted or deleterious outcomes [1]. We all engage hyperactivity disorder and obsessive – compulsive disorder from time to time in impulsive acts, such as blurting out patients. Evidence from patients with focal brain lesions and critical comments without thinking, or buying expens- from healthy volunteers using functional MRI and ive items on http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Current Opinion in Psychiatry Wolters Kluwer Health

The neuropsychiatry of impulsivity

Sahakian, Barbara J
Current Opinion in Psychiatry , Volume 20 (3) – May 1, 2007
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References (74)

ISSN
0951-7367
eISSN
1473-6578
DOI
10.1097/YCO.0b013e3280ba4989
pmid
17415079
Publisher site
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Abstract

a,b a,b Samuel R. Chamberlain and Barbara J. Sahakian Purpose of review Abbreviations Impulsive symptoms occur across neuropsychiatric ADHD attention deficit hyperactivity disorder DSM-IV Diagnostic and Statistical Manual of Mental Disorders version IV disorders, with important ramifications for everyday OCD obsessive – compulsive disorder functioning and quality of life. This article considers recent RIFG right inferior frontal gyrus developments in the neuropsychological assessment of impulsivity with a focus on the ability to suppress motor 2007 Lippincott Williams & Wilkins responses (response inhibition). 0951-7367 Recent findings Using objective tests, response inhibition deficits were identified in several neuropsychiatric conditions associated Introduction with impulsivity, namely attention deficit hyperactivity The term ‘impulsivity’ encompasses a multitude of disorder, trichotillomania, obsessive – compulsive disorder, behaviours or responses that are poorly conceived, and chronic substance abuse. Deficits were also found in premature, inappropriate, and that frequently result in unaffected first-degree relatives of attention deficit unwanted or deleterious outcomes [1]. We all engage hyperactivity disorder and obsessive – compulsive disorder from time to time in impulsive acts, such as blurting out patients. Evidence from patients with focal brain lesions and critical comments without thinking, or buying expens- from healthy volunteers using functional MRI and ive items on

Journal

Current Opinion in Psychiatry – Wolters Kluwer Health

Published: May 1, 2007

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