Neurobiology Flashcards
which gene codes for serotonin transporter
5HTT
Function of adverse/defensive system
promote survival in the event of threat
which neurotransmitter is involved in the adverse/defensive system
serotonin
function of the appetitive/approach system
to mediate seeking and approach behaviours
which neurotransmitter is involved in the appetitive/approach system
dopamine
what neurotransmitter is over active in schizophrenia
dopamine
which neurotransmitter is low in depression
serotonin
what are the 4 main dopaminergic systems in the brain
substantia nigra
tuberoinfundibular
mesocortical
mesolimbic
what is the substantia nigra system responsible for
movement
what happens if dopamine is blocked in substantia nigra
Parkinsonism
what is tuberoinfundibulnar system responsible for
prolactin
what happens if tuberoinfundibulnar system is blocked
hyperprolactin
what is mesocortical system responsible for
motivation + emotion
what is mesolimbic system responsible for
reward
mechanism of psychosis
overactivity of dopamine in mesocortical + mesolimbic systems
