Which Brain Nucleus Is the Body's "Biological Clock

question 96

Multiple Choice

Which brain nucleus is the body's "biological clock"?

• A) lentiform nucleus
• B) dorsomedial nucleus
• C) subthalamic nucleus
• D) suprachiasmatic nucleus

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobia or anxiety through gradual exposure to the feared object or situation coupled with relaxation exercises.

Counterconditioning

A behavior therapy technique where an undesirable response to a stimulus is replaced with a more desirable response.

Fear of Heights

An anxiety disorder characterized by an extreme and irrational fear of high places, also known as acrophobia.

Primary Reinforcers

A type of reinforcement that is innately satisfying and does not require any learning to become pleasurable, such as food and water.