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NIDA Notes Articles: 04/2009

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Methamphetamine Abusers Show Increased Distractibility

April 2009

Highlights findings from a study of former methamphetamine abusers showing evidence of impairment in areas of the brain known to influence cognition, emotion, and decision making.

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High School Seniors Report Alcohol- or Drug-Impaired Driving Experiences

April 2009

Examines the incidence of high school seniors’ alcohol- or drug-related driving experiences based on 2001 through 2006 data.

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Damage to Brain Area May Immediately Halt Cigarette Addiction

April 2009

Describes a study among people who had sustained brain injuries to investigate whether certain damaged areas of the brain are associated with the ability to quit smoking.

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Court Mandates Help Men With Antisocial Personality Disorders Stay in Treatment

April 2009

Reports on a study of men with co-occurring substance abuse and antisocial personality disorders and the potential benefit of judicially mandated addiction treatment.

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NIDA's National Advisory Council Welcomes New Members

April 2009

Introduces five new members to the NIDA National Advisory Council meeting, including Drs. Xavier Castellanos, Steven Childers, Thomas Crowley, Anita Everett, and Hazel Szeto.

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Legal Pressure Increases Treatment Retention

April 2009

Presents data on the length of stay in substance abuse treatment among people who were in treatment as a result of legal pressure as compared with those in treatment voluntarily.

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Low Dopamine Receptor Availability May Promote Cocaine Addiction

April 2009

Describes findings from an animal study showing that cocaine lowers availability of dopamine receptors in the basal ganglia, an area of the brain that includes portions of the reward system.

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Adolescent Rats Self-Administer More Nicotine Than Adults

April 2009

Highlights an animal study involving the self-administration of nicotine among adolescent and adult rats to gain understanding of their potential vulnerability to the substance.

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Cocaine Locks Rats Into Unrewarding Behaviors

April 2009

Describes research with rats to better understand cocaine’s effect on the neural signaling in the learning circuits of the brain.

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Prenatal Nicotine Exposure May Damage Receptors That Influence Auditory Processing

April 2009

Reports on a series of animal experiments indicating that nicotine exposure during prenatal fetal development damages a set of receptors in the brain's auditory processing center.

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