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Question 1

drug

Answer 1

substance that changes physical or mental functioning

Question 2

stimulants

Answer 2

• caffeine, ecstasy, cocaine
• increase CNS activity (alerting effect)
• increase beta wave activity
• decreased alpha, theta, delta wave activity

Question 3

depressants

Answer 3

• alcohol, opiates
• decreased CNS activity (relaxing effect)
• increased alpha, theta, delta activity
• decreased beta activity