PSY-B - Psychology PSY-B 394 Lecture Notes - Lecture 15: Stomach, Twin, Gestational Age
11 Apr 2016
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Document Summary
Acetaldehyde dehydrogenase gene (aldh: high presence in populaion means low levels of alcoholism, feel sick with gene mutaion (medium lushing with heterozygous) Alcohol efects on behavior: depends on dose, duraion, and history of exposure, environment and mental expectaions. Heavy alcohol leads to impotence and tesicular shrinkage in men, disrupted ovarian cycle. Latency in female orgasm, less erect penis: increased salivaion and gastric secreion. Diarrhea, impaired absorpion of nutrients: liver disease. Faty liver: reversible; accumulaion of triglycerides as metabolic enzymes focus instead on alcohol. Alcoholic hepaiis: potenially lethal accumulaion of acetaldehyde. Alcoholic cirrhosis: death of liver cells leads to scar issue, which in turn cuts of blood leading to addiional cell death. Alcohol"s toxic efects on the brain: ater years of heavy alcohol use, results in vitamin b1 (thiamine) deiciency. Deiciency leads to cell death in medial thalamus and mammillary bodies. Wernicke-korsakof syndrome (tremors, ataxia, memory impairment: results in other pathologies. Enlarged ventricles, shrunken frontal lobes, medial temporal lobes, and cerebellum.
