The Alzheimer's Library
Parkinson\'s Dementia


Neuropathology and neurochemistry of nonmotor symptoms in Parkinson's disease

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Parkinson disease (PD) is no longer considered a complex motor disorder characterized by Parkinsonism but rather a systemic disease with variegated non-motor deficits and neurological symptoms, includ READ MORE

Ten Early Signs of Parkinson's Disease That Doctors Often Miss

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Let's be honest: A diagnosis of Parkinson's disease can be pretty unnerving. In fact, an April 2011 survey by the National Parkinson's Foundation revealed that people will avoid visiting the doctor to READ MORE

Parkinson's disease: clinical features and diagnosis

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Objective: Parkinson's disease (PD) is a progressive neurological disorder characterised by a large number of motor and non-motor features that can impact on function to a variable degree. This review READ MORE

Dementia in Parkinson disease

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James Parkinson first described the shaking palsy, emphasizing the classic motor symptoms of Parkinson disease. Friedreich Lewy has commented on the mental impairment in many patients with Parkinson READ MORE

Presentation and Management of Psychosis in Parkinson's Disease and Dementia Wit...

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PD is the second most common neurodegenerative disease after Alzheimer's disease, affecting up to 1% of the elderly population. DLB, which may be indistinguishable from PD neuropathologically and has READ MORE

Nonalzheimer's Dementias

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Alzheimer's disease (AD) is the most common form of dementia in the United States, with more than 5 million patients living with the disease in 2007.1 Many pharmacists work with AD patients on a regul READ MORE

Parkinson Disease: Phenomenology and Treatment of the Most Common Psychiatric Sy...

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Parkinson disease (PD) is a progressive neurodegenerative disorder that is characterized by its motor signs, including resting tremor, rigidity, bradykinesia, and postural instability. PD is more comm READ MORE

Parkinson Disease Dementia

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* Parkinson Disease Dementia Overview * Parkinson Disease Dementia Causes * Parkinson Disease Dementia Symptoms * When to Seek Medical Care * Exams and Tests * Parkinson D READ MORE

Parkinson Disease Dementia

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INTRODUCTION Background Parkinson disease (Parkinson's disease, PD) is a disabling, progressive condition that is predominantly thought of as a movement disorder. In 1817, when James Parkinson o READ MORE

Parkinson's Disease and Dementia -- Signs, Symptoms, and Treatment

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Parkinson's disease is a progressive disorder of the central nervous system that affects more than 1.5 million people in the United States. The main features of Parkinson's disease are slowness of mov READ MORE
People with Parkinson's disease have a higher-than-average risk of developing dementia, although the majority remain unaffected. Symptoms of dementia associated with Parkinson's disease vary from person to person. The most common are memory loss, and loss of the ability to reason and to carry out everyday tasks. The person may become obsessive, and there may be a loss of emotional control, with sudden outbursts of anger or distress. Visual hallucinations may occur. Symptoms often fluctuate so that the person seems better or worse at different times. It is not yet understood how dementia occurs in Parkinson's disease. It may be that the microscopic deposits known as Lewy bodies, which occur in nerve cells in the brain stem in people with Parkinson's, have a role to play, as they do in dementia with Lewy bodies (see above). The side-effects of certain drugs for Parkinson's may exacerbate symptoms of dementia, so adjusting medication for Parkinson's is sometimes helpful.
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