PSY 340 Lecture Notes - Lecture 5: Trait Theory, Twin Study, Evolutionary Psychology
Document Summary
Bxal genetics: approach to personality that attempts to explain how personality traits are shared by biological relatives: aka: which personality traits have a genetic basis, personality trait: pattern of bx present in more than one situation. Genes cannot cause anybody to do anything. Influence anatomy and physiology: but these (above) develop subject to the influence of the environment. Even though you have the gene for it, it may only come out when. Environment can affect heritability influences by the environment: height. Same environment can affect individuals in different ways: deadlines: for some its anxiety provoking, for some they like them and put it off till last minute. Epigenetics: the study of how experience, especially early in life, can determine how or even whether or a gene is expressed during development: genes can change the environment. Environment can change the expression of genes: alzhei(cid:373)er"s. (cid:271)or(cid:374) to (cid:271)e aggressi(cid:448)e (cid:271)ut (cid:449)ith supporti(cid:448)e fa(cid:373)il(cid:455) this does(cid:374)"t (cid:272)o(cid:373)e out.
