drugs and the mind Flashcards
1
Q
psychoactive drug
A
a drug that alters ones mood or emotional state
2
Q
blood-brain barrier
A
a membranous structure that prevents most substances from reaching the brain
3
Q
tolerance
A
decrease in the effectiveness of a drug in a given person
4
Q
drugs stimulate which center of the brain
A
the pleasure center in the limbic system of the brain
5
Q
alcohol is a
A
depressant
6
Q
stimulants
A
drugs that excite the nervous system
7
Q
three types of stimulants
A
cocaine, amphetamines, and nicotine
