ドーパミン（Dopamine)
神経修飾物質(neuromodulator)
dopaminergic nucle
黒質緻密部(substantia nigra pars compacta; SNc)
腹側被蓋野(ventral tegmental area; VTA)
予測報酬誤差(reward-prediction error)
Temporal Difference error; TD error
A Neural Substrate of Prediction and Reward | Science (1997)
Hebbian plasticity by third factors
A cellular mechanism of reward-related learning | Nature (2001)