A Laboratory Rat Has Had Part of Its Hypothalamus Destroyed

question 202

Multiple Choice

A laboratory rat has had part of its hypothalamus destroyed by lesioning. The rat seems to have lost all interest in food and is starving itself, even though there is food available. In this case, it would appear that portions of the

• A) lateral hypothalamus have been destroyed.
• B) ventromedial hypothalamus have been destroyed.
• C) parvocellular hypothalamus have been destroyed.
• D) magnocellular hypothalamus have been destroyed.

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Definitions:

Signal-detection Theory

A theory that explains how individuals differentiate between important stimuli and background noise in the environment.

Response Bias

A tendency in research respondents to answer questions in a manner that is not accurate or truthful, often due to social desirability or misunderstanding.

Sensory Capacity

The maximum amount of sensory information that an individual can process or perceive at any given time.

Doctrine

A belief or set of beliefs held and taught by a church, political party, or other group.