Major Depressive Disorder Is Said to Occur When Signs of Depression

question 113

Multiple Choice

Major depressive disorder is said to occur when signs of depression last at least

• A) one week.
• B) two weeks.
• C) two months.
• D) four months.

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Definitions:

Perceptual Redundancy

The presence of more sensory information than is necessary for the recognition or understanding of an object or concept.

Weber's Law

A principle in psychology that states the smallest change in a stimulus that can be detected is a constant proportion of the original stimulus's intensity.

Volley Principle

Principle addressing limitations of the frequency theory of hearing, stating that a cluster of nerve cells can fire neural impulses in rapid succession, producing a volley of impulses.

Perceptual Set

A predisposition or readiness to perceive something in a particular way.