PSYC 407 Lecture Notes - Lecture 2: Schizophrenia, Learned Helplessness, Reflex Syncope
Document Summary
Most believe abnormal behavior results from multiple influences. Inherited over-reactive reaction to stressful situation. when she saw the film, she became distressed and bp increased. the body overreacted (baroreflex) and lowered bp, which decreased blood flow to the brain, and she faints. Many with gene do not develop phobias. they cope by tensing muscles (raises. The increased arousal with emotions may also stimulate a more intense baroreflex. and her scary feelings add to her wish to avoid all situations that trigger the response. There are times when we are in more critical developmental periods when we might be more reactive than at other times. Genes interact with the environment to affect our characteristics. Some characteristics are mostly determined by genes. Ex: height may be genetic but also affected by nutrition. Dominance: need only one gene (eye, hair color). A small percent of genes in a cell are expressed or turned on .
