Hormone and neurotransmitter systems disturbed in alcoholics’ brains
The brain tissue of persons with alcohol dependence shows a variety of changes compared to non-alcoholic control persons. All alcoholics’ brains share some characteristics, but some are exclusive to the brain tissue of anxiety-prone type 1 alcoholics or impulsive type 2 alcoholics, according to a recent study from the University of Eastern Finland. The researchers analysed post-mortem brain tissue from alcoholic persons and non-alcoholic controls. Alcoholics were divided into two groups on the basis of Cloninger’s typology: type 1 and type 2 alcoholics. Type 1 alcoholics develop alcohol