By the Second Birthday, a Toddler's Brain Is About _____

question 130

Multiple Choice

By the second birthday, a toddler's brain is about _____ of its adult weight.

• A) 25%
• B) 50%
• C) 75%
• D) 95%

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Definitions:

Unconscious Processes

Mental activities beyond conscious awareness that influence thoughts, feelings, and behaviors.

Heritability

A measure of how much of the variation in a trait within a population is due to genetic differences among individuals.

Personality Traits

Enduring characteristics that describe an individual's behavior, such as extroversion, agreeableness, and conscientiousness.

Peak Experiences

Moments of maximum psychological or emotional well-being and fulfillment, often characterized by heightened feelings of joy, creativity, and connectedness.