PSYCH 3M03 Lecture Notes - Temporal Lobe Epilepsy, Ovulation, Behavioral Activation
24 Oct 2013
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Threat shows intention to follow through with aggression, could be bluffing. Rage amygdala and hypothalamus: baring of the teeth, social animals do not have musculature to show certain facial expressions. Fear most ancient in terms of evolutionary conservation; conserved neural circuits in hypothalamus, amygdala and autonomic responses. Aggression fighting; beyond threat; same sort of fighting across mammals (use of the teeth, ramming of head, boxing: sexually dimorphic rats, humans, vertebrates more among males. Forms of aggression: predatory aggression usually directed at other species to obtain food. Motivation food; usually another species, cannibalism can occur. Intermale aggression within species, competing for limited resources (eg/ food, mates) Related to territorial aggression each have own dynamic, but interrelated with overlap. Polygyny common among mammals sets the stage for differential and reproductive success amongst males; differential is established by threat and aggression. Males being chased away from harems of females by another male (baboons, rhesus monkeys, gorillas etc)
