octubre del 2009
Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.
Highlights research showing methamphetamine abusers may have more difficulty than nonabusers in responding with empathy and self-control to people who are experiencing intense emotions.
Reports on a discovery of previously unrecognized dopamine receptors in the brain that when triggered by drug abuse lead to potentially long-term neuronal effects.
abril del 2009
Describes NIDA’s drug abuse and addiction research priorities for the use of the American Recovery and Reinvestment Act of 2009 funds.
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.
Presents highlights of a symposium sponsored by NIDA in October 2008 to discuss adolescent brain and cognitive development and consider the impact of drug abuse on young people.
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.
Describes research with rats to better understand cocaine’s effect on the neural signaling in the learning circuits of the brain.
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.
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.