________ Act on the Nervous System to Alter States of Consciousness

question 37

Multiple Choice

________ act on the nervous system to alter states of consciousness, modify perceptions, and change moods.

• A) Antiemetics
• B) Biofeedback therapies
• C) Antihypertensives
• D) Psychoactive drugs

---

Definitions:

Probability

The extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of possible cases.

Escape Conditioning

A learning process in which an organism learns to perform a behavior to terminate an aversive stimulus.

Negative Reinforcement

The strengthening of a behavior because it removes or diminishes a negative outcome or stimulus.

Positive Reinforcement

A stimulus which, when presented after a behavior, increases the likelihood of that behavior being repeated.