Misconceptions About Neurotransmitters
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8 Terms
why is ‘dopamine = pleasure’ too simplistic?
dopamine is involved in many functions, especially movement and motivation/wanting, not just pleasure
what distinction does the prof make about dopamine?
wanting/motivation is different from liking/pleasure
how does substance use show wanting vs liking?
motivation to seek the substance may increase even if liking does not increase and may even decrease
what major function of dopamine do people often forget?
movement
what disorder shows dopamine’s role in movement?
Parkinson's disease
why is ‘serotonin = mood’ too simplistic?
serotonin is involved in mood, aggression, impulse control, and many other functions
why is ‘adrenaline = fight-or-flight transmitter’ incomplete?
adrenaline is more important in the periphery; noradrenaline is more relevant in the brain
what is the main rule about transmitters?
one neurotransmitter can have many functions