Problem 4

Question 1

Phasic activation

Answer 1

Refers to burst activity of dopaminergic neurons in the midbrain after primary food + liquid rewards

Question 2

Negative-prediction error

Answer 2

Occurs when

1. a fully predicted reward elicits no response
2. the omission of a predicted reward induces a depression

Question 3

Positive-prediction error

Answer 3

Occurs when an unpredicted reward elicits activation