All of the Studies That Highlighted the Possible Importance of Early

question 195

Multiple Choice

All of the studies that highlighted the possible importance of early experience in animals had which of the following features in common?

• A) They used extreme conditions to make their comparisons.
• B) They used relatively crude measures of brain growth.
• C) The researchers used very small samples.
• D) They were supported by a grant from the United States Department of Education.

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Definitions:

Aortic Valve

A valve in the heart between the left ventricle and the aorta that prevents blood from flowing back into the ventricle after it has been pumped out.

Coronary Sinus

A large vein on the posterior side of the heart that collects blood from the heart muscle (myocardium) and returns it to the right atrium.

Coronary Sulcus

A groove on the surface of the heart that marks the division between the atria and the ventricles.

Oxygen-poor Blood

Blood that has circulated through the body and has a lower oxygen content, returning to the heart for reoxygenation.