AP PSYCHOLOGY

Detailed explanation-1: -Alzheimer’s disease is the most common type of dementia. It is a progressive disease beginning with mild memory loss and possibly leading to loss of the ability to carry on a conversation and respond to the environment. Alzheimer’s disease involves parts of the brain that control thought, memory, and language.

Detailed explanation-2: -Late-onset Alzheimer’s. This is the most common form of the disease, which happens to people ages 65 and older.

Detailed explanation-3: -Alzheimer’s disease, the most common dementia diagnosis among older adults. It is caused by changes in the brain, including abnormal buildups of proteins known as amyloid plaques and tau tangles.

Detailed explanation-4: -Alzheimer’s disease and dementia are most common in Western Europe (with North America close behind) and least common in Sub-Saharan Africa. African-Americans are about twice as likely to have Alzheimer’s disease or other forms of dementia as whites.

Detailed explanation-5: -Alzheimer’s disease is a brain disorder that slowly destroys memory and thinking skills and, eventually, the ability to carry out the simplest tasks. In most people with the disease-those with the late-onset type symptoms first appear in their mid-60s.