Question

which statement is true about dopamine?
a. dopamine discourages healthy behavior.
b. drug - addicted brains become used to tolerating higher levels of dopamine.
c. dopamine stimulates displeasure and lack of memory.
d. damage from addiction can be reversed.
please select the best answer from the choices provided
a
b
c
d

Explanation:

• Option A: Dopamine actually encourages healthy behavior like exercise and eating well as it is associated with reward and motivation. So this option is false.
• Option B: Drug - addicted brains do become used to tolerating higher levels of dopamine. Drugs can cause a large release of dopamine, and over time, the brain may adapt (e.g., by reducing dopamine receptors) to this abnormal dopamine level. This option is true.
• Option C: Dopamine is mainly associated with pleasure, reward, and motivation, not displeasure and lack of memory. So this option is false.
• Option D: While some damage from addiction can be mitigated or there can be some recovery, it is not always fully reversed. So this option is false.

Answer:

B. Drug - addicted brains become used to tolerating higher levels of dopamine.