Describes research findings that show that chronic cocaine abuse may change the production of many proteins in the neurons of the brain’s reward system, aiding in our understanding how the drug causes addiction.
Young adults who had been maltreated as children differed from others who had not been maltreated in the connectivity of nine cortical regions. The differences could compromise the maltreated group’s basic social perceptual skills, ability to maintain a healthy balance between introversion and extroversion, and ability to self-regulate their emotions and behavior.
October 2010 Describes study findings revealing that cocaine abusers who maintain high levels of a certain receptor in their brain during early abstinence relapse sooner than abusers whose levels drop.
A NIDA-supported study has found that a cocaine-addicted person’s chance of managing 1 whole year of abstinence correlates with activity levels in these impaired motivational and decision-making brain areas.