Psychology 2030A/B Study Guide - Midterm Guide: Psychosexual Development, Opioid, Reticular Formation

• School: Western University
• Department: Psychology
• Course: Psychology 2030A/B
• Professor: Ian Nicholson

Document Summary

Exam 1 - 2030b chapters 1, 16, 2, 3, 5 ps ycholo gi cal. Complex and must consider variety of influences & how interact. 22 pairs potential program for development body and brain. Xy male: x chromosome 155 base pairs ordering determines how body develops and works wrong ordering defective genes. Recessive trait: 2 pairs of recessive genes dd. Dominant trait: one pair of 2 genes determines trait dd. Polygenic: trait influenced by many genes each contribute to characteristic i. e. iq. Quantitative genetics: estimates effects of genes in determining individual differences. Molecular genetics: study structure and functioning of genes. Identified serotonin transporter gene involved in attention deficit and hyperactivity. Swedish twin pairs w/ 130 same-sex fraternal twin pairs. Found heridability estimates for cognitive abilities ranged from 32 to 62% During adulthood genetic factors determined cognitive abilities & environment responsible for. Genetics play a role but less than half of variability. Adverse life events can overwhelm influence of genes changes o.