Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Aging refers to the biological process of getting older, characterized by gradual changes in physical and cognitive functioning over time. It involves a decline in certain physiological functions and an increased risk of age-related diseases.
Dementia refers to a group of conditions characterized by significant cognitive decline beyond what is expected due to normal aging. It affects memory, thinking, behavior, and the ability to perform daily activities.
Longevity: Longevity refers to the length or duration of an individual's life. Factors such as genetics, lifestyle choices, and environmental factors can influence longevity.
Neuroplasticity is the brain's ability to reorganize itself by forming new connections between neurons throughout life. It allows for learning new skills, adapting to changes, and recovering from brain injuries or strokes.