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Alzheimer's Disease: Symptoms & Signs

Alzheimer's disease is a common cause of dementia and its associated symptoms. Memory problems that develop slowly over time are often the main or first symptoms of Alzheimer's disease. Later symptoms can include personality changes like apathy, withdrawal, and reduced spontaneity. Trouble with abstract thinking and significant cognitive loss can develop with time. Other symptoms of the mental decline seen in people with Alzheimer's disease can include

  • loss of orientation (to person, place, or time),
  • agitation,
  • irritability,
  • quarrelsomeness, and
  • a diminishing ability to care for him- or herself and to dress appropriately.

Mood changes, wandering, erratic behavior, uncooperativeness, and anger can be seen in the later stages of the disease. Physical symptoms can include loss of bowel control or urinary incontinence.

Causes of Alzheimer's disease

The cause of Alzheimer's disease is unknown. One theory has emerged from the study of early onset inherited (genetic) Alzheimer's disease. Certain genetic mutations associated with Alzheimer's disease have been found in about half of the patients with early onset disease. These mutations result in excess production in the brain of a specific form of a small protein fragment called ABeta (Aβ) that accumulates in the brain. This has been called the "amyloid cascade hypothesis."

Other alzheimer's disease symptoms and signs

  • Anger
  • Apathy
  • Behavior Changes
  • Confusion
  • Decreased Ability for Self-Care
  • Erratic Behavior
  • Language Problems
  • Loss of Bladder Control
  • Loss of Bowel Control
  • Loss of Orientation
  • Memory Loss
  • Mood Changes
  • Personality Changes
  • Poor Hygiene
  • Poor Judgment
  • Problems With Abstract Thinking
  • Quarrelsomeness
  • Social Withdrawal
  • Uncooperativeness

Medically Reviewed by a Doctor on 9/10/2019

QUESTION

One of the first symptoms of Alzheimer's disease is __________________. See Answer
Medically Reviewed on 9/10/2019
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