week 8-drugs and the brain Flashcards
RECAP chemical transmission
axon terminal- communicate chemical mec
communication neurosn= synaptic transmission
function
AP reaches terminal in ore synamptic neuron—- depolarisation cause increase calcium iron— synaptic vesicles fure pre synaptic membrane—– synaptic cleft— neurotransmitter post synaptic membrane
RECAP es sp and is sp
es ps- partial deporlisation- increase
IS SP- hyper polosiation- decrease in state
RECAP- fire of synaptic neuron depend effectof all ESPS and IPSP
graded decisions
neurotrans ending
auto receotor- prvent release
degradation-broke down
re-uptake- back up presynaptic
1 psychopharacoloy
study drug
type drug proactive
chemical substance influence CNS-alter behaviour
agonist and anatgonist
influence synaptic transmission
agonist
mimic effect neurotran at synapse
antagonist
inhibit effect of neurotran at synapse
biopsychosocial of addiction
phsycial-withdraw syndrome
psychological- craving and pleasure of effect
positive reinforcement
dependent- pleasure– inform its good
pleasure— mesolimbic dopamine– increae DA
neg reinforment
unpleasant withdrawal
addictiion
cross tolerance- to other drugs
behavioural tolerance- linked to behaviour occuring consistently same circumstances