PSY390H1 Study Guide - Final Guide: Big Five Personality Traits, Dopamine Receptor D4, Novelty Seeking
Document Summary
Psy390 lecture 6 (genetics, personality & psychiatric disorders) Genetics, personality traits & social behaviour: most people think they control their identity, think are diff from parents, but personality traits are partly genetic. Personality traits disti(cid:374)guishi(cid:374)g, e(cid:374)du(cid:396)i(cid:374)g (cid:272)ha(cid:396)a(cid:272)te(cid:396)isti(cid:272)s of pe(cid:396)so(cid:374)(cid:859)s (cid:271)eha(cid:448)iou(cid:396) | (cid:272)a(cid:374) use pe(cid:396)so(cid:374)alit(cid:455) t(cid:396)ait to p(cid:396)edi(cid:272)t ho(cid:449) x (cid:449)ould (cid:271)eha(cid:448)e i(cid:374) (cid:272)ertain situation. Quantitative trait, 100s of thousands of genes, so identified gene variants contribute small proportion to given (cid:271)eha(cid:448)iou(cid:396)(cid:859)s phe(cid:374)ot(cid:455)pi(cid:272) (cid:448)a(cid:396)iatio(cid:374) Similar to iq, identification of genetic basis of personality trait decades away, known snps 1-2% of v(p) Higher heritability (genetic influence on personality) if adolescents has positive relationships with parents (less conflict, higher regard) Different traits adaptive depending on env; should not make value judgements (i. e. aggression = bad, it can be good) Cultural differences personality traits preferred/dominant in some cultures, immigration associated with change in personality traits. Five factor model of personality (ffm/big five model)
