Week 10 - Reward and Addiction

Question 1

What are the structures of the brain that are involved in reward?

Answer 1

1. Nucleus accumbens
   a) Pleasure centre
   b) Important role in reward, addiction, aggression, fear, motivation
2. Prefrontal Cortex (PFC)
   a) Decision making
3. Hippocampus
   a) Memorises event as being pleasurable
4. Midbrain
   a) For neurotransmitter synthesis

Question 2

What is the main reward neurotransmitter?

Answer 2

1. Dopamine

a) Dopaminergic mesocorticolim