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Transcript of public talk
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“Memory in Aging with and without
Parkinson’s Disease”Speaker:Tazrina Alrazi (PhD student at the PCAN Lab) University of CalgaryCumming School of MedicineClinical Neuroscience Department
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Dr. James Parkinson
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Parkinson’s Disease (PD)
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Epidemiology of Parkinson’s Disease
• Parkinson’s disease (PD) is the second most common
neurodegenerative disorder in the world
• In North America, the prevalence of PD is 107-187 per 100,000
population
• The most alarming non-motor PD complication is dementia (PDD)
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Epidemiology of Parkinson’s Disease Dementia
• PDD can affect up to 50% of patients 10 years after diagnosis and over 80% by 20
years
• Dementia risk is almost six times higher in PD patients than in age-matched healthy
controls
• Severely affects quality of life, independent activities of daily living, and
interpersonal relationships
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Mild Cognitive Impairment (MCI)Normal Cognition
Mild Cognitive ImpairmentDementia:-Alzheimer’s dementia-Lewy body dementia-Frontotemporal dementia-Parkinson’s dementia-Vascular dementia
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Mild Cognitive Impairment (MCI)MCI encompasses all 5 cognitive domains
Executive functions
Attention
Visuo-spatial and visuo-perceptual functions
Language
Memory
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Epidemiology of Mild Cognitive Impairment in Parkinson’s Disease
• 26.7% (range 18.9–38.2%) of non-demented PD patients have PD-MCI
• Janvin et al. found 62% of PD-MCI patients
converted to PDD over a 4-year period
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Pathophysiology of Cognitive Impairment in PD
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Associative Memory
Associative memory tasks demand high efficiency of the medial temporal lobe
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Associative Memory Task•FAST (FACE ASSOCIATED SCENE TASK)
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Our Volunteers (Study Groups) Participants:
Parkinson’s disease, no mild cognitive impairment PD (non-MCI) (35)Parkinson’s disease with mild cognitive impairment PD-MCI (65)Mild cognitive impairment, no Parkinson’s disease MCI (non-PD-MCI)
(65)Healthy Controls (age-matched to patients) HC (35)
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Importance of This Research
Pioneering research
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Lets Test Memory
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Memorizing Phase Begins
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Do you like the pair?
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Unsure
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Unsure
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Decision Making Phase Begins
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Do you recall seeing these pictures?
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Together
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GREAT JOB!!!!!