Neuromodulators (VCE SSCE Psychology): Flashcards
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Neuromodulators vs neurotransmitters
Neuromodulators vs neurotransmitters
Affect entire brain regions vs single neurons
S.T.A.R. principle for neuromodulators
S.T.A.R. principle for neuromodulators
Slower, Target multiple, Act on regions, Results last longer
Three common neuromodulators in CNS
Three common neuromodulators in CNS
Serotonin, acetylcholine, dopamine
Dopamine's main functions (6 listed)
Dopamine's main functions (6 listed)
Movement, pleasure/reward, attention, mood, cognition, motivation
VAN pathway structures
VAN pathway structures
Ventral tegmental area, nucleus accumbens, prefrontal cortex
What makes drinking rewarding (dopamine study)
What makes drinking rewarding (dopamine study)
The act of drinking itself, not hydration
Dopamine theory of addiction: core concept
Dopamine theory of addiction: core concept
Brain can't produce dopamine naturally without addictive behaviour
Serotonin modulates which behavioural processes?
Serotonin modulates which behavioural processes?
Mood, perception, reward, aggression, appetite, memory, attention
Effect of balanced serotonin levels on mood
Effect of balanced serotonin levels on mood
Calm, focused, happy and stable moods
Low serotonin's effect on aggression mechanism
Low serotonin's effect on aggression mechanism
Weakens amygdala-frontal cortex link, increasing aggression