Recent Research on the Genetic Basis of Language Development Suggests

question 41

Multiple Choice

Recent research on the genetic basis of language development suggests that:

• A) genetics are the major influence on language development abilities.
• B) environmental effects have a greater influence on grammatical development than on lexical development.
• C) environmental effects have a greater influence on lexical development than on grammatical development.
• D) environmental effects have the greatest influence on language development abilities.

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Definitions:

Frontal Lobe

The frontal lobe is a region of the brain associated with decision making, problem-solving, control of purposeful behaviors, consciousness, and emotions.

Broca's Area

A region in the frontal lobe of the dominant hemisphere of the human brain associated with language processing, speech production, and comprehension.

Fluent Speech

Speech that is smooth, effortless, and free from frequent pauses or hesitations.

Inhibitory Neurotransmitter

A type of neurotransmitter that decreases the likelihood of the neuron it acts upon to fire an action potential, thereby dampening neuronal activity.