Category: Substance abuse

Resetting balance in reward centers may help treat alcohol addiction

From the Elsevier press release: The human brain functions on a delicate balance of reinforcing positive behaviors and suppressing negative ones, which takes place in the dorsal striatum, a brain… Read more »

Brain area involved in addiction activated earlier by cocaine consumption than thought

From the McGill University press release: Even among non-dependent cocaine users, cues associated with consumption of the drug lead to dopamine release in an area of the brain thought to… Read more »

Study links abnormal startle-reflex responses to higher risk of alcohol problems

From the Research Society on Alcoholism press release: The startle response, often recorded as an eye-blink reflex, is a defensive measure believed to reflect emotional processing. Patients with alcohol use… Read more »

Study suggests gender differences in effects of alcoholism on the brain’s reward system

From the Massachusetts General Hospital press release: A collaborative study between researchers at Massachusetts General Hospital (MGH) and Boston University School of Medicine (BUSM) has found evidence implying that alcoholism… Read more »

Study suggests heavy drinking impacts performance over time

From the Veterans Affairs Research Communications press release: Heavy drinkers develop behavioral tolerance to alcohol over time on some fine motor tasks, but not on more complex tasks, according to a… Read more »