PSY 1102 Lecture Notes - Lecture 13: Low Birth Weight, Grey Matter, Retrovirus

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1102
• Professor: Najwa Haddad

Document Summary

Twin studies ** earn a point (have highlighted just need to add) 108 places on the genome that are associated with schizophrenia. Dna- some people have chunks missing while come have extra chunks of dna. Herv-w- retrovirus- could be linked with the disease. Every human has this virus- traced to 60 million years ago- infected ancestors who survived this disease and transmitted genes- sometimes the virus escapes and becomes active. Depending on the defense of the virus- determines the illness. Father"s age: over 25% can be linked with older men as fathers, in england- 3 year age difference increases the chances of schizophrenia from 12-15%- no link today with mother"s age. Birth complications: bleeding- mainly effects men, low birth weight- mainly effect men, famine (2x, analgesic (5x)- over counter medicine while pregnant. Head injury before the age of 10. Marijuana use before 18- increases the risk of development several folds. Frontal lobes are smaller and less active.