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Dopamine and decision making
Published on Sep 07, 20151601 Views
The neuromodulator dopamine has a well-established role in learning, but its role in decision making is less well characterized. By boosting dopamine levels as subjects made economic decisions, we sho
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Chapter list
Dopamine and decision making00:00
A framework for value-based decision making00:45
Is dopamine the reward molecule? - 102:16
Is dopamine the reward molecule? - 202:41
Reward prediction error (RPE)03:47
Dopamine concentrations can encodes RPEs05:38
BOLD activity in the striatum can represent RPEs07:13
Substantia nigra in the Parkinson’s brainstem08:02
Arvid Carlsson revives catatonic rabbits with L-DOPA08:53
Dopamine drugs affect learning in Parkinson’s disease09:35
Does L-DOPA affect decision making?12:07
L-DOPA increases gambling in gain trials12:52
Prospect theory does not account for L-DOPA effects - 115:17
Prospect theory does not account for L-DOPA effects - 216:28
L-DOPA increases approach behaviour in gain trials18:08
Dopamine declines with age20:01
The great brain experiment20:53
The Great Brain Experiment ‘What makes me happy?’ - 121:35
The Great Brain Experiment ‘What makes me happy?’ - 223:20
Dopamine and decision making - 126:03