Confusion, Memory Loss, and Altered Alertness Topic Overview
Back to top It is not unusual to occasionally forget where you
put your keys or glasses, where you parked your car, or the name
of an acquaintance. As you age, it may take you longer to
remember things. Not all older adults have memory changes, but
they can be a normal part of aging. This type of memory problem
is more often annoying than serious. Memory loss that begins
suddenly or that significantly interferes with your ability to
function in daily life may mean a more serious problem is
present. - Dementia is a slow decline in memory, problem-solving
ability, learning ability, and judgment that may occur over
several weeks to several months. Many health conditions can
cause dementia or symptoms similar to dementia. In some cases
dementia may be reversible. Alzheimer's disease is the most
common cause of dementia in people older than age 65. - Delirium
is a sudden change in how well a person's brain is working
(mental status). Delirium can cause c