PSY 3171 Chapter Notes - Chapter 2: Livingsocial, The Principle, Rela
28 Sep 2016
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Abnormal psychology textbook notes - chapter 2: an integrative approach to. Multidimensional integrative approach: take into consideration biological, be- havioural, emotional and cognitive, and social influences. Biology and behaviour of the individual and the cognitive, emotional, social and cultural environment all affect each other. Genes > very long molecules of dna. First 22 pairs of chromes provide programs for the development of the body and brain; last pair, called sex chromosomes, determine sex. Abnormalities in sex chromosomal pair can cause ambiguous sexual characteris- tics. Quantitative genetics estimates the effect of genes in explaining individual differences (heritability) Molecular genetics focuses on examining the actual structure and functioning of genes. Dna microarrays allow scientists to analyze thousands of genes at once and identify board networks of genes that may be contributing to a particular trait. New development in the study of genes and behaviour. Best estimates attribute about half of individual differences in personality traits and cognitive abilities to genetic influence.
