The Best Evidence That There Is a Critical Period for Language

question 246

Multiple Choice

The best evidence that there is a critical period for language mastery is the fact that

• A) infants babble in sounds that occur in their parents' native language.
• B) toddlers maintain a capacity to discriminate language sounds they have never heard.
• C) people most easily master the grammar of a second language during childhood.
• D) preschoolers typically fail to use proper syntax.

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Definitions:

Pulmonary Veins

Blood vessels that carry oxygenated blood from the lungs to the left atrium of the heart.

Left Atrium

The heart's upper left chamber that receives oxygen-rich blood from the lungs and pumps it into the left ventricle.

Fossa Ovalis

A depression in the right atrium of the heart, the remnant of the fetal foramen ovale.

Interventricular Septum

The thick wall separating the left and right ventricles of the heart, crucial for the separation of oxygenated and deoxygenated blood.