2. INTRODUCTION
Alzheimer's disease is a
neurodegenerative brain disorder.
It is the most common form of dementia.
It usually starts in late middle age or in
old age(above 65years).
It is characterized by progressive
memory loss.
Formation of Neurofibrillary tangles and
plaques containing beta-amyloid cells.
3. CAUSES OF AD
Increasing age
History of a head injury
Risk factors for blood vessel
disease such as smoking
Heredity
Obesity
High blood pressure
High cholesterol
4. Signs and Symptoms
At early stages of AD :
Impairment in Memory
Aphasia
Apraxia
Agnosia
Mood changes
Loss of spontaneity and initiative
5. At progressive AD:
Increasing short-term memory loss
and confusion
Feelings of restlessness
Loss of appetite
Personality changes
6. Stages of AD
Stage 1: Normal
Stage 2: Normal aged forgetfulness
Stage 3: Mild cognitive impairment
Stage 4: Mild Alzheimer’s
Stage 5: Moderate Alzheimer’s
disease
Stage 6: Moderately severe
Alzheimer’s disease
Stage 7: Severe Alzheimer’s disease
