PSYB10H3 Lecture : Lecture 21 Notes
Document Summary
Intentional behavior aimed at causing physical or psychological pain: type of pain. verbal or relational aggression saying or doing psychological hurtful things: goal of pain. we make a distinction between hostile and instrumental aggression. hostile aggression: aggressive behavior that stems from feelings of anger and has the goal of inflicting pain. Instrumental aggression: aggressive behavior that inflicts pain and the pain is a middle step toward another goal (not always negative) Twin studies find high heritability for aggression: amygdala stimulating amygdala can lead to aggression. depends on context (emphasizes that there is an interaction between neuro and social context) Sometimes leads to withdrawal/fear (in a context where you probably won"t win a fight: relative social status matters, pre-frontal cortex. Pfc may be the regulator of aggressive impulses: generally involved in planning & behavioural regulation. relation of pfc and aggression: murderers have less pfc activity than normal controls, testosterone.
