PSY 101 Lecture Notes - Lecture 14: Dispositio, Twin, Prenatal Development
28 Feb 2017
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Document Summary
The nature-nurture debate-behavior is determined by genetics and the environment. Study adopted children-compare correlations between the traits of adopted children and those of their biological and adoptive relatives. If identical twins are more alike than fraternal twins- due to genetic differences. Studied of separated twins and reared apart any similarities in traits should be primarily genetic. Dna: complex molecular structure that carries genetic information. Genes: the biochemical units of heredity, govern the development of an individual life. Prenatal( ) development: nature and nurture from the start. One from mom, one from dad, each with genetic code. Gene dominance: differing genes for the same trait, one often dominant over the other. 20 weeks begins light sensitivity will move to avoid bright light. Habituation( )-baby get interesting when they first see the toy, second and third time time move their eyes faster. Change of frequency caused increase in heartbeat to return. Mom"s stress level(physiological) -babies with attention difficulties, anxiety, unusual social behavior.
