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DEMENTIA

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by

Saim R

on 21 December 2014

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Transcript of DEMENTIA

DEMENTIA
Not a disease - symptoms caused by other
diseases and conditions
Parkinson's
Alzheimers
Personality
Mood
Behavior
Depending on cause, cure may be available
Alzheimer's
Brain cells deteriorate
Loss in memory, judgement, movement
Affects certain parts of the brain
NEURITIC PLAQUES
Appear in cerebral cortex
Patches with Amyloid-Beta in center
Deteriorating neurons
that produce ACh
NEUROFIBRILLARY TANGLES
Normally, orderly and parallel - "train tracks"
Tau collapses into twisted strands called tangles
Nutrients can't move - DIE
MOTOR
SYSTEM DISORDER
Neurons stop producing dopamine
Substantia nigra - Corpus striatum
Resulting in abnormal
nerve functioning
Acetylcholine > Dopamine
DEMENTIA- Symptoms
Memory
Communication and language
Ability to focus and pay attention
Reasoning and judgement
Visual perception
DOES NOT ALWAYS MEAN DEMENTIA
STATISTICS
60-80% - Alzheimer's
30-40% - Dementia
5-8% of all people over 65
Treatable or Not?
Non-Treatable Forms
Alzheimer's disease
Multi-infarct dementia
Dementias associated with Parkinson's disease and similar disorders
AIDS dementia complex
Dementia due to long-term substance abuse
Tumors that can be removed
Subdural hematoma
Hypoglycemia

Treatable Forms
Causes
Strokes/Heart-Attacks
Alcohol/Drug Use
AIDS
Head Injuries
Full transcript