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.
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.
Describes research showing that cocaine abusers appear to have a rapid neural response to reward cues outside of their awareness, possibly signifying vulnerability to relapse.
Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.
Describes research providing evidence that chronic methamphetamine abuse is associated with increased microglial cell activity in the brain leading to neurodegeneration.
Announces the recipient of a 2009 award for innovation in research on drug addiction and alcoholism whose research focuses on the cellular changes that occur in response to chronic cocaine abuse.
Reports an animal study presenting evidence that cocaine causes cognitive deficits that can persist well into abstinence.
Highlights activities held during Brain Awareness Week for students in Maryland, Virginia, and Washington, DC, to learn about brain anatomy and function.
November 2009 Discusses the work of NIDA’s Division of Epidemiology, Services and Prevention Research, organized to track drug use and provide empirically based information for researchers and service providers.