Ernst Kurz and Emil Kraepelin. About the influencing of psychological processes through regular alcohol consumption. Psychological work edited by Emil Krapelin. 3 B., 3 H., p. 417. Leipzig. 1900

In this interesting work, the authors set out to study the effect of daily consumption of average doses of alcohol on the intellectual performance (Leistungsfähigkeit) of a person. The experiments were carried out on two persons, doctors, of which A. 38 y., Full abstinence, and B 26 y. also unaccustomed to the correct use of alcoholic beverages. They received 80 grams of alcoh daily, most often before bedtime. abs. diluted with water, that is, the amount of alcohol, which is approximately contained in 2 liters of beer (which is generally considered to be moderate). With the observance of the possible correct mental and physical regime of the given persons, psychological work began daily at 9 am and lasted 2 hours without a break (each type of experiment was half an hour).