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If you are impulsive, take modafinil and count to 10
Date:2/1/2013

Philadelphia, PA, February 1, 2013 Poor impulse control contributes to one's inability to control the consumption of rewarding substances, like food, alcohol, and other drugs. This can lead to the development of addiction. FDA-approved medications for alcoholism, like naltrexone (Revia) and disulfiram (Antabuse), are thought to reduce alcohol consumption by curbing cravings and creating unpleasant reactions to alcohol, effects which reduce the desire to drink alcohol.

New medications, however, might target the uncontrollable urges to consume drugs of abuse. The idea of treating problems of self-control by improving the ability to suppress impulses is not new. This approach is precisely what one is doing when counting to 10 before acting when one is upset. What is new, however, is the idea that medications might help with this process.

A new study by Lianne Schmaal at the University of Amsterdam and colleagues, published in Biological Psychiatry, suggests that modafinil (Provigil), a drug originally developed to increase wakefulness, may help some people to reduce drinking by improving their impulse control.

Although modafinil is formally approved solely for the treatment of several sleep disorders, it has been shown to enhance cognition. Such beneficial effects have been observed in healthy individuals and in patients with schizophrenia and attention-deficit/hyperactivity disorder. It has also been shown to reduce impulsivity in some individuals with addictions, but these effects had not yet been studied in non-stimulant addictions like alcohol dependence.

This background of potentially promising findings led Schmaal et al. to investigate the effects of modafinil on impulsivity in alcohol dependent patients and healthy controls. The researchers also measured participants' underlying brain activity while they completed a stop signal task designed to measure impulsive behavior.

"This line of research adopts a
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Contact: Rhiannon Bugno
Biol.Psych@utsouthwestern.edu
214-648-0880
Elsevier
Source:Eurekalert

Page: 1 2

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