PSYC39H3 Lecture Notes - Lecture 3: Reward System, Single-Photon Emission Computed Tomography, Monoamine Oxidase A
Document Summary
Mao-a neurotransmitters have different groups distinguished by radicals; activated. A balance when there is mao in system. High levels of enzymes: correlation to childhood maltreatment (correlation doesn"t mean. Lecture 3 psyc39 theories of crime: biological and evolutionary pseudo-explanations. Phrenology created by franz gall: can tell the personality of person from the shape and size of person"s head. Lombroso: can tell who is a criminal from facial and bodily features. Darwin: natural selection theory, survival of the fittest--criminals adapt traits (parents are criminals or have addictions, lower education levels, lack of empathy) Galton: society can be enhanced by eliminating people that had bad genes (eugenics) Twin studies: behaviour linked to gene, can see concordance between identical twins compared to non-identical twins/siblings. Adoption studies: no random genetic similarities between adopted siblings, but shared environment. Caspi: interaction b/w mao-a and childhood maltreatment through enzyme that breaks down mao-a enzyme causes maltreatment)
