When are you actually an adult? | TEDEd Shannon Odell Quiz

What is the commonly recognized start of adulthood in most countries?

• 21 years old

• 18 years old

• 16 years old

• 25 years old

What is one argument made against lowering the voting age to 16?

• 16-year-olds are too busy with school.

• 16-year-olds do not have enough education.

• 16-year-olds are not mature enough to make national decisions.

• 16-year-olds are not interested in politics.

According to the text, what is one way neuroscientists define adulthood?

• By legal age

• By physical height

• By brain development

• By educational attainment

What does gray matter reduction in the brain signify?

• Loss of intelligence

• Memory loss

• Selective pruning of connections

• Brain damage

What is the purpose of myelination in white matter?

• To decrease brain efficiency

• To slow down brain signals

• To protect the brain from injury

• To allow for fast communication between brain regions

At what age do teens perform as well as older adults in cognitive development tests?

• 16 years old

• 18 years old

• 14 years old

• 12 years old

How do 18 to 21 year olds behave under emotional or social test conditions?

• Like older adults

• Like children

• No different than when alone

• Like younger teens

What does the text suggest about the judicial system and young adults?

• It should expand juvenile courts to include late teens and early twenties.

• It should be stricter on young adults.

• It should not change.

• It should be more lenient on all adults.

What does neuroscience suggest about reaching adulthood?

• It is determined by legal status.

• It is the same across all cultures.

• It happens at a specific age for everyone.

• It is a gradual process with waves of maturity.

What influences an individual's journey to adulthood, according to the text?

• Schooling level only

• Peer pressure only

• Genetics, environment, and experience

• Legal definitions only