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10:28
Dynamic Digital Biomarkers of Motor and Cognitive Function in Parkinson's Disease
Published on: July 24, 2019
Contextual cues remediate problem solving: deficits in Parkinson's disease
1Department of Psychology, Elizabethtown College, Elizabethtown, Pennsylvania 17022, USA. pricea@etown.edu
Journal of the International Neuropsychological Society : JINS
|October 20, 2009
Summary
Parkinson's disease (PD) patients struggle with problem-solving tasks like anagrams. Environmental cues can help PD patients overcome these cognitive challenges, improving their performance.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neurology
Background:
- Executive functions are crucial for complex problem-solving.
- Parkinson's disease (PD) is associated with cognitive impairments, including executive dysfunction.
- Cognitive flexibility is a key executive function that may be affected in PD.
Purpose of the Study:
- To investigate the role of executive functions in arrangement problem-solving in Parkinson's disease (PD).
- To examine the impact of self-directed cognitive flexibility on problem-solving in PD.
- To determine if environmental cues can mitigate problem-solving deficits in PD.
Main Methods:
- PD patients and healthy controls (HC) underwent neuropsychological testing of executive functions.
- Participants completed anagram puzzles, some with graphemic cues.
- Performance on anagrams was correlated with executive function measures.
Main Results:
- PD patients performed worse than HC on anagram puzzles.
- Cued anagrams led to normal performance in PD patients.
- Anagram performance correlated with verbal fluency and inhibition, not working memory or set shifting.
Conclusions:
- PD patients exhibit deficits in inhibiting automatic responses, hindering novel problem-solving.
- Executive functions, particularly inhibition, are vital for arrangement problem-solving in PD.
- Environmental cues can support strategy generation and improve problem-solving in PD.
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