Could These Symptoms Signal Cognitive Decline in Parkinson's?
Published: Feb 22, 2024
Cognitive decline in Parkinson's disease (PD) can manifest as a range of symptoms, often affecting daily life. Recognizing these early can lead to better management.
Contents
Spotting Cognitive Changes
Common cognitive issues in PD include difficulties with executive function and visuospatial tasks, like planning and recognizing faces. Memory issues are less pronounced compared to Alzheimer's but can involve trouble retrieving learned information.
Neuropsychiatric Signs
Neuropsychiatric symptoms such as visual hallucinations and delusions are common, especially in advanced PD. These symptoms can indicate worsening cognitive function and often accompany other psychological issues like depression and anxiety.
Sleep-Related Symptoms
Sleep disorders, including REM sleep behavior disorder and excessive daytime sleepiness, are prevalent in PD and can signal early cognitive impairment. These symptoms might precede noticeable cognitive decline.
Frequently Asked Questions
Executive function and visuospatial task difficulties are common.
Yes, they often signal worsening cognitive function.
Yes, REM sleep disorder and sleepiness can be early indicators.
Memory issues exist but are less pronounced than in Alzheimer's.
Key Takeaways
Recognizing cognitive and neuropsychiatric symptoms early in PD can lead to better management and outcomes.
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References
Aarsland D, Brønnick K, Larsen JP, et al. Cognitive impairment in incident, untreated Parkinson disease: the Norwegian ParkWest study. Neurology 2009; 72:1121.
Fénelon G, Mahieux F, Huon R, Ziégler M. Hallucinations in Parkinson's disease: prevalence, phenomenology and risk factors. Brain 2000; 123 (Pt 4):733.
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