Question

Which of the following is true of the neural substrates of reinforcement?

1) Aversive stimuli do not increase dopamine levels within the accumbens.
2) Release of dopamine within the accumbens is a necessary condition for reinforcement.
3) Damage to brain dopamine systems enhances the reinforcing properties of addictive drugs.
4) Release of dopamine within the accumbens is a sufficient condition for reinforcement.
5) Drugs that increase dopamine by blocking reuptake are not addictive.

Answer 1

The neural substrates of reinforcement involve the release of dopamine within the accumbens, which is necessary for reinforcement. Aversive stimuli do not increase dopamine levels in the accumbens, and damage to brain dopamine systems enhances the reinforcing properties of addictive drugs. None of the other statements are true.

Step-by-step explanation:

The neural substrates of reinforcement involve the release of dopamine within the accumbens, which is a necessary condition for reinforcement. This means that dopamine plays a crucial role in the brain's reward system. Aversive stimuli, on the other hand, do not increase dopamine levels within the accumbens. Damage to brain dopamine systems actually enhances the reinforcing properties of addictive drugs, making them more addictive. Therefore, none of the other statements listed are true.