In English
NIDA

NIDA Notes Articles: Ciencia de la adicción

NIDA Notes Category Graphic

In Animals, Receptor Puts Brakes on Nicotine Consumption

Marzo del 2012

New research suggests that differences in tobacco consumption reflect, in part, differences in the functional efficacy of a specific type of receptor in a pathway of the brain. In animal studies, nicotinic acetylcholine receptors with the α5 subunit played a key role in producing aversive responses to nicotine, thereby dissuading further consumption of the drug.

NIDA Notes Category Graphic

Investigators Map Functional Networks in the Rat Brain

junio del 2012
Researchers have mapped the fundamental functional organization of the rat brain and shown that it resembles that of the human brain.

NIDA Notes Category Graphic

Long-Term Cocaine Abuse Linked With Impaired Heart Function

Marzo del 2008
Summarizes research on the effects of long-term regular cocaine abuse on the cardiovascular system in African Americans.

NIDA Notes Category Graphic

Long-Term Cocaine Self-Administration Depresses Brain Activity

diciembre del 2008

Discusses research exploring how widespread the reduction of neural activity is in the brain with chronic exposure to cocaine.

NIDA Notes Category Graphic

Low Dopamine Receptor Availability May Promote Cocaine Addiction

abril del 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.

NIDA Notes Category Graphic

Lower Levels of Dopamine-Regulating Receptors Among Novelty Seekers

octubre del 2010

Describes research results reporting that people who favor novelty have lower-than-average availability of a receptor that inhibits dopamine's release from neurons, which likely stimulates the activity of reward circuits.

NIDA Notes Category Graphic

Methamphetamine Abuse Alters Response to Facial Cues

octubre del 2009

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.

NIDA Notes Category Graphic

Methamphetamine Abusers Show Increased Distractibility

abril del 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.

NIDA Notes Category Graphic

Methamphetamine Alters Brain Structures, Impairs Mental Flexibility

Marzo del 2014

Methamphetamine alters brain structures involved in decision-making and impairs the ability to suppress habitual behaviors that have become useless or counterproductive. The two effects were correlated, indicating that the structural change underlies the decline in mental flexibility.

NIDA Notes Category Graphic

Methamphetamine Turns Helper Cells Into Destroyers

noviembre del 2009

Describes research providing evidence that chronic methamphetamine abuse is associated with increased microglial cell activity in the brain leading to neurodegeneration.

Pages

NIDA Notes

Tags

Drug Topics

Drugs of Abuse

Population Groups

Related Topics

Toma el reto nacional sobre el coeficiente intelectual (CI) sobre las drogas