which stage of reward shows the greatest release of dopamine?
initial reward
learned
reward withdrawad
unexpected reward
dopamine cell bodies are located in the VTA
side effects of increased DA in the striatum?
repetitive movement (stereotypy)
Cognitive deficit
positive psychotic symptoms
when Opiates act on the thalamus/spinal cord, what does it have affect on
Pain analgesia
movement/sensory
judgement
which Neurotransmitter is involved with cravings?
serotonin
glutamate
whey protein
dopamine
the fastest route to administer a drug is through snorting
what are the limitations of the dopamine theory of addiction?
aversive stim also increases DA levels
rats which have a dopamine reuptake inhibitor still pressed on the lever for a self administered dose of cocaine
individual difference
cravings more associated with glutamate
all the abruv
when rats had access to unlimited cocaine (self administered by lever pressing), what percentage administered until death?
90%
50%
36%
which side of the striatum is associated with habit formation
ventral
dorsal
The orbitofrontal cortex is involved with cravings, with neurotransmitter Glutamate
in an addicted brain, the link between the dorsal prefrontal cortex and other areas are no longer observed
which phrase is the striatum associated with?
i cant help it
so good i dont care about anything else
its a habit
i remember how good that was
