hormones - explanation Flashcards
what does hormones explain?
aggressive behaviour
what do hormones do?
send messages around the body in the blood at a slower rate than NT but can travel over a longer distance
what is the difference between hormones and NT?
hormones travel slower but over a longer distance
where are hormones produced?
at endocrine glands
testes ovaries
how do hormones work?
they bind to a receptor in a target cell and change cell function to respond to that particular hormone
what do hormones affect?
behaviour and cause physical changes in the body
what is an example of how one hormone affects behaviour?
oxytocin increases trust
which hormone prepare the body for fight of flight mode?
adrenaline
what is testosterone?
a male adrogen
who is testosterone thought to be involved in aggression?
high levels is thought to be involved by effecting changes in neurotransmission
how is cortisol linked to aggression?
low levels of cortisol
how is serotonin linked?
low levels is said to reduce the ability to resist impulsive aggression
how is prenatal exposure to testosterone?
has an organising effect on the brain leading to an increased spatial ability and competitive aggression
what does prenatal exposure to testosterone increase?
spatial ability and completive aggression
what did dabs et al do/find?
measured the testosterione in the saliva of 89 prisoners
found that the more violent their crimes were the more testosterone was in the saliva
