Final answer:
Stimulants like caffeine and cocaine increase neural activity in the brain.
Explanation:
Stimulants are drugs that increase neural activity, like blocking neurotransmitter reuptake. Examples include caffeine and cocaine. The other options - opiates, alcohol, and benzodiazepines - fall under depressants or other drug categories.
Learn more about Types of drugs and their effects here:
https://brainly.com/question/34380918
