PSYO 2220 Chapter Notes -Eric Kandel, Tachycardia, Link Rat
2 Dec 2014
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Jody is a student with a disorder that causes him to faint at the sight of blood. He saw a movie with graphic bloody scenes = classically conditioned from then on. However, nobody else in the class that saw the movie developed the same problem. His body compensated by lowering blood pressure and heart rate. Not enough blood reaching his brain = loss of consciousness. Jody has fear and anxiety about seeing blood. Jody"s principal rejected him -> makes psychological disorders worse. His family and friends rush to help may increase frequency and intensity of reaction. People become more or less reactive as they develop developmental critical period. As seen in jody"s case, a variety of influences interact. When something is wrong in the formation of molecules om the double helix it causes a defective gene which can cause problems.
