PSY 2110 Lecture Notes - Lecture 2: Cognitive Dissonance, Ostracism, Genetic Recombination

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2110
• Professor: Gary Capstick

Document Summary

Evolution: concept that species change over time; acquiring different genetic characteristics as a function of different environmental demands, whether it"s a good change depends on the environment. Sperm/egg cell production crossover (meiosis) - creates unique combination mutations - random error in gene replication that leads to change in characteristic. Sexual recombination every individual is a unique combination of genes. Certain variations are better than others for getting resources and security provide an advantage - increase chances of survival and reproduction. The next generations will have proportionally more offspring from advantageous variations. Ostracism (actively excluded/ignored) leads to deep anxiety and depression (or anger: people with a network of social ties family, friends, coworkers, signi cant other report higher levels of happiness, tend to live longer. Security and growth: they tend to interfere with each other and create con ict, security fundamental needs are met (food, safety, comfort, love, growth physical (i. e. survival, sports)