Journal
NEUROSCIENCE
Volume 215, Issue -, Pages 42-58Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuroscience.2012.03.065
Keywords
delay discounting; stop signal reaction time; 5-choice serial reaction time task; prefrontal cortex; orbitofrontal cortex; nucleus accumbens
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Funding
- MRC [G0701500, G0901275]
- Wellcome Trust
- Medical Research Council [G0802729, G0901275, G0701500] Funding Source: researchfish
- MRC [G0901275, G0802729, G0701500] Funding Source: UKRI
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Impulsive people have a strong urge to act without thinking. It is sometimes regarded as a positive trait but rash impulsiveness is also widely present in clinical disorders such as attention deficit hyperactivity disorder (ADHD), drug dependence, mania, and antisocial behaviour. Contemporary research has begun to make major inroads into unravelling the brain mechanisms underlying impulsive behaviour with a prominent focus on the limbic cortico-striatal systems. With this progress has come the understanding that impulsivity is a multi-faceted behavioural trait involving neurally and psychologically diverse elements. We discuss the significance of this heterogeneity for clinical disorders expressing impulsive behaviour and the pivotal contribution made by the brain dopamine and serotonin systems in the aetiology and treatment of behavioural syndromes expressing impulsive symptoms. (C) 2012 IBRO. Published by Elsevier Ltd. All rights reserved.
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