hormonal explanations Flashcards
what is serotonin?
hormone that calms the neural system and limits the amygdala
lots of serotonin = calm
what is the serotonin deficiency hypothesis?
low levels of serotonin = high levels of aggression
what did mann et al do?
they gave a drug that reduced serotonin - participants reported higher levels of hostility and aggression
what is testosterone and what does it do?
a hormone associated with the development of male characteristics - more prevalent in males
what does more testosterone mean?
more aggression as testosterone lowers serotonin
when do testosterone levels peak in males?
in their early 20s
can testosterone levels change?
yes - dependent upon the environment
what did sapolsky do?
deviated testosterone levels showed a positive correlation with aggressive tendencies
