HANDEDNESS AND PARKINSON'S DISEASE SYMPTOMS

5th October 2014 - New research

HANDEDNESS AND PARKINSON'S DISEASE SYMPTOMS
Whether somebody with Parkinson's Disease is right handed or
 left handed has been found to
greatly affect the side on which their Parkinson's Disease 
symptoms initiate and persist.
Handedness determines a better performance or preference 
for the use of one hand rather than the other. 
For more information go to : http://en.wikipedia.org/wiki/Handedness

Out of those people with Parkinson's Disease, 92% were right
handed. Nearly 62% of them had an initial onset of symptoms
on the right hand side. Out of those people with Parkinson's
Disease, 8% were left handed. Around 75% of them had an
initial onset of symptoms on the left hand side. Out of those
people with Parkinson's Disease who were right handed 77%
had Parkinson's Disease symptoms that were dominant on the
right hand side. Out of those people with Parkinson's Disease
who were left handed 58% of them had Parkinson's Disease
symptoms that were dominant on the left hand side.
In general, the dominant side of Parkinson's Disease 
symptoms was in accordance with which handed they were. 
In people who were right handed, rest tremor was the most 
common initial symptom. In people who were left handed,
 rest tremor and rigidity and bradykinesia
were the most common initial symptoms.


Medicina Clinica [2014] 142 (4) : 141-144 (J.Shi, J.Liu, Q.Qu)
Complete abstract : http://www.ncbi.nlm.nih.gov/pubmed/23352124
http://www.viartis.net/parkinsons.disease/news/141005.pdf
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