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Lesson 8: Dementia and Alzheimers Disease
Saturday, 30 March 13
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.
Saturday, 30 March 13
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 Same
Saturday, 30 March 13
Large group of neurodegenerative diseases that cause a decline in mental functioning.
Dementia
Dementia develops progressively with loss of memory an initial onset symptom
Saturday, 30 March 13
• 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 transmission
Alzheimer’s Disease
Saturday, 30 March 13
• 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 diagnosis
Alzheimer’s Disease
Saturday, 30 March 13
Alzheimer’s Disease
Saturday, 30 March 13
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..........
Alzheimer’s Disease - symptoms
Saturday, 30 March 13
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