Which Best Describes Brain Development from Birth Through Adolescence

question 47

Multiple Choice

Which best describes brain development from birth through adolescence?

• A) Synapses are pruned in early childhood as a response to the environment but grow back in adolescence as the child matures.
• B) Synapses that are unused are pruned while myelination of the axon increases the efficiency of communication between childhood and adolescence.
• C) Dendrite and axon communication becomes less efficient as the child moves into adolescence.
• D) Axons and dendrites expand in the number of connections they make during the adolescent years.
• E) Axons and dendrites become thinner and more sparse throughout childhood and adolescence.

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Definitions:

Young Adulthood

A developmental stage typically ranging from late teens through the twenties, characterized by exploration of personal relationships and life directions.

Theoretical Models

Conceptual frameworks designed to explain, predict, and understand phenomena and, in many cases, to challenge and extend existing knowledge within the limits of critical bounding assumptions.

Personality Development

Refers to the process by which a person's character is formed and developed across their life.

Cohabitation

Sharing life and having an intimate relationship without the formalities of marriage.