Which statement best represents what we know about brain functioning and aging?

Question

Quizplus · Accepted Answer

While there is some debate over the extent to which the brain produces new neurons throughout life, there is evidence that neurogenesis (the creation of new neurons) occurs in certain areas of the brain. This suggests that the brain can continue to change and adapt even as we age.

Answer: B
 While physical exercise and enriched environments have been shown to have positive effects on cognitive function in aging animals, it is unlikely that they can eliminate all cognitive decline related to aging in humans. Other factors, such as genetics and lifestyle, also play a role in brain functioning.

Answer: C
 While some changes in brain structure and function are common in older adulthood, it is not inevitable that they will lead to dementia. Many people experience healthy aging and do not develop serious cognitive impairments.

Answer: None of the above
 The statement that best represents what we know about brain functioning and aging is complex and multifaceted, and no single statement captures the full picture. Our understanding of how the brain changes and adapts throughout life is constantly evolving, and there is still much we do not know.

Which Statement Best Represents What We Know About Brain Functioning