Humans Are Able to Differentiate Particular Pairs of Speech Sounds

question 25

Multiple Choice

Humans are able to differentiate particular pairs of speech sounds:

• A) only if they are exposed to the sounds before they are about 8 months old.
• B) if they are exposed to the sounds sometime during their childhood.
• C) if they have a great deal of exposure to the sounds as an adult.
• D) only if they are exposed to the sounds before they are born.

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Definitions:

Anaerobic Metabolism

Metabolic processes that occur in the absence of oxygen, generating energy through the breakdown of carbohydrates.

Lactate

A compound produced during the anaerobic metabolism of glucose and used in the body as a source of energy.

Cross-bridge

The connection formed between the actin filament and the myosin head during muscle contraction.

Myosin Heads

Protrusions on myosin filaments in muscle cells that bind to actin filaments to generate muscle contraction.