Examlex
Operant conditioning is to ____ as classical conditioning is to ____.
Sedatives
Substances that induce sedation by reducing excitement, irritability, and nervousness, often used to promote calmness and ease anxiety.
Stimulants
Substances that increase alertness, attention, and energy by boosting the activity of the central nervous system.
Hallucinogens
Psychoactive substances that can cause altered perceptions, thoughts, and feelings.
Hallucinogen
A class of psychoactive substances that cause perceptual anomalies, sometimes including hallucinations, alterations in thought processes, and variations in consciousness.
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