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Misperceptions and Parkinson's disease

Published:January 03, 2017DOI:https://doi.org/10.1016/j.jns.2016.12.059

      Highlights

      • People with Parkinson’s (PWP) disease suffer from behavioral misperceptions.
      • PWP often misperceive their own center of gravity, volume of speech, others’ emotions
      • PWP are often misperceived by others based on facial masking
      • The mechanisms of these misperceptions have not been explored

      Abstract

      Most of the neurobehavioral aspects of Parkinson's disease have been well established and studied, but many are not well known, and hardly studied. This article focuses on several behavioral abnormalities that are common, and frequently cause difficulty for the patient and family due to lack of recognition as part of the disease. While it is well known that L-Dopa dyskinesias are frequently not recognized or under appreciated by patients, a similar lack of recognition may affect the patient's own speech volume, where their center of gravity is located, whether they are tilted to one side, and their under-recognition of others' emotional displays. In addition, PD patients are often misperceived by others incorrect impression of their emotional and cognitive state based purely on facial expression. These changes and others are briefly reviewed.

      Keywords

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