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Lesson 8: Dementia and Alzheimers DiseaseSunday, 31 March 13
Question from Lesson 7  Some people think that age-related memory decline is inevitable  and applies to all forms of memor...
Question from Lesson 7  Some people think that age-related memory decline is inevitable  and applies to all forms of memor...
DementiaLarge group of neurodegenerative diseases that cause adecline in mental functioning.                             D...
Alzheimer’s Disease• The most common form of dementia• Accounts for 50 – 70% of dementia• Neurodegenerative disease that c...
Alzheimer’s Disease•    100,000 Australians effected•    1 in 25 over 60•    1 in 8 over 80•    No simple diagnostic test ...
Alzheimer’s DiseaseSunday, 31 March 13
Alzheimer’s Disease - symptoms  Typical memory loss includes  • Events  • Words and names  • Written and verbal directions...
Alzheimer’s Disease – Post-mortem•    Show high levels of the protein Amyloid•    Highly toxic – causes cell death•    Cau...
Alzheimer’s Disease - a race to the cureSunday, 31 March 13
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Lesson 8 dementia and alzheimer's disease 2013

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Transcript of "Lesson 8 dementia and alzheimer's disease 2013"

  1. 1. Lesson 8: Dementia and Alzheimers DiseaseSunday, 31 March 13
  2. 2. Question from Lesson 7 Some people think that age-related memory decline is inevitable and applies to all forms of memory. Are these people correct? Provide reasons for your answers.Sunday, 31 March 13
  3. 3. Question from Lesson 7 Some people think that age-related memory decline is inevitable and applies to all forms of memory. Are these people correct? Provide reasons for your answers. Older people Do take longer to learn new information STM – Depends on the task, easy one part tasks are ok. Tasks that require divided attention are challenging for older people. LTM - Episodic down, Procedural same, Semantic SameSunday, 31 March 13
  4. 4. DementiaLarge group of neurodegenerative diseases that cause adecline in mental functioning. Dementia develops progressively with loss of memory an initial onset symptomSunday, 31 March 13
  5. 5. Alzheimer’s Disease• The most common form of dementia• Accounts for 50 – 70% of dementia• Neurodegenerative disease that causes wide spread cell death• Causes decline in all aspects of cognitive function• Post-mortems reveal deposits of plaque along the damaged synapses• These plaques and tangles effect neural transmissionSunday, 31 March 13
  6. 6. Alzheimer’s Disease• 100,000 Australians effected• 1 in 25 over 60• 1 in 8 over 80• No simple diagnostic test – really only know for sure when post-mortem conducted• Symptoms are different for each person further complicating diagnosisSunday, 31 March 13
  7. 7. Alzheimer’s DiseaseSunday, 31 March 13
  8. 8. Alzheimer’s Disease - symptoms Typical memory loss includes • Events • Words and names • Written and verbal directions • Stories, TV, Movies, Books • Semantic memory decline • Procedural memories Personality changes can also occur..........Sunday, 31 March 13
  9. 9. Alzheimer’s Disease – Post-mortem• Show high levels of the protein Amyloid• Highly toxic – causes cell death• Causes the development of the plaques and tangles• Brains also have a massive lack of acetylcholine (an important neurotransmitter) Why are you in my brain amy loid??? She likes to play twister and tangle things up. Doesn’t brush her teeth and leaves Plaque everywhere! She drinks all the acetylcholine mouthwashSunday, 31 March 13
  10. 10. Alzheimer’s Disease - a race to the cureSunday, 31 March 13
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