Environmental stimulation during childhood often contributes to the development of intelligence by altering the circuitry of the brain. This alteration illustrates:.
a. intelligence quotient.
b. neural plasticity.
c. content validity.
d. the Flynn effect.
e. heritability.

B. Neural plasticity

Explanation:

Environmental stimulation during childhood often contributes to the development of intelligence by altering the circuitry of the brain. This alteration illustrates neural plasticity. Neuro plasticity is the change in neural pathways and synapses that occurs due to certain factors, like behavior, environment, or neural processes. During such changes, the brain engages in synaptic trimming, deleting the neural connections that are no longer necessary or useful, and strengthening the necessary ones therefore Environmental stimulation during childhood often contributes to the development of intelligence by neural plasticity.

b. neural plasticity.

Explanation: Neural plasticity can be simply defined as the brain's ability to develop and change overtime by forming new neural connections and pathways. This natural plasticity ability helps the brain to adjust to any circumstance like head injuries, change in environment etc. Environmental simulation often contributes to the development of intelligence during childhood in a situation where alteration of the circuitry of the brain occurs. The neuroplasticity of the brain allows for new neurons from to develop from existing ones with each neurons having different functions of their own.

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