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Addiction

18 April 2011

Booze makes it hard to delay reward

Impulsive choice in alcohol dependence may be the result of functional anomalies in widely distributed but interconnected brain regions that are involved in cognitive control.

Researchers already know that alcohol dependence (AD) is strongly associated with impaired impulse control or, more precisely, the inability to choose large, delayed rewards rather than smaller but more immediate rewards. Findings from a study using functional magnetic resonance imaging (fMRI) to investigate the neural basis of impulsive choice among individuals with alcohol use disorders (AUDs) suggest that impulsive choice in AD may be the result of functional anomalies in widely distributed but interconnected brain regions that are involved in cognitive and emotional control.

Impaired behavioural control

 

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