A disorder common in late adulthood that is characterized by losses in memory and cognition and changes in personality and that is believed to be caused by deterioration of the brain's structure and function is ________.

A) Korsakoff's syndrome
B) Parkinson's disease
C) Wernicke's syndrome
D) Alzheimer's disease

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by cognitive decline and memory loss, leading to severe dementia.

Late Adulthood

A life stage characterized by the aging process, generally considered to begin at the age of 65 years and onward, focusing on retirement, health issues, and adjusting to social roles.

Memory And Cognition

The mental functions involved in acquiring, storing, retrieving, and using information, including processes such as perception, memory, and reasoning.