Two Studies Comparing the Size of INAH3 in Homosexual Men

question 41

Multiple Choice

Two studies comparing the size of INAH3 in homosexual men, heterosexual men, and heterosexual women found that the size of this brain region was smaller in homosexual men than in heterosexual men. The most accurate interpretation of this finding is that

• A) homosexual men have smaller brains, so the hypothalamus is smaller as well.
• B) sexual orientation may be correlated with brain structure.
• C) a homosexual lifestyle changes brain structure.
• D) HIV destroys neurons in INAH3.
• E) the hypothalamus regresses in homosexual men.

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Definitions:

Decisions Made Quickly

A process where choices or judgments are reached in a short period of time, often to respond to immediate needs or opportunities.

Simple

Easily understood or done; presenting no difficulty.

Organizational Structure

The way in which a company or organization is organized, including the roles, responsibilities, and communication systems that govern how its activities are directed towards achieving its objectives.

Central Authority

The governing body or group at the highest level of organizational hierarchy, responsible for making major decisions.