Eyelid movements during blinking in patients with Parkinson's disease.
Identifieur interne : 001686 ( Ncbi/Checkpoint ); précédent : 001685; suivant : 001687Eyelid movements during blinking in patients with Parkinson's disease.
Auteurs : Marko Korosec [Slovénie] ; Ignac Zidar ; Dik Reits ; Craig Evinger ; Frans VanderwerfSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- chemical , therapeutic use : Antiparkinson Agents.
- drug therapy : Parkinson Disease.
- physiology : Blinking, Eyelids.
- physiopathology : Parkinson Disease.
- Adult, Age of Onset, Aged, Female, Humans, Male, Middle Aged, Movement.
Abstract
We examined eyelid movements during spontaneous, voluntary, and trigeminal reflex blinks in 16 patients with mild to moderate Parkinson's disease (PD) off medication and 14 controls. Voluntary and reflex blink amplitudes tended to be smaller than normal for PD patients, whereas eyelid kinematics (amplitude-maximum velocity relationship) for all three blink types were normal. Spontaneous blink rate was less than normal for 10 patients and abnormally high for 6 patients. A significant positive correlation between spontaneous blink amplitude and blink rate was found. These observations suggest that PD modifies the gain of a premotor blink circuit shared by spontaneous, voluntary, and reflex blinks.
DOI: 10.1002/mds.20930
PubMed: 16685691
Affiliations:
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pubmed:16685691Le document en format XML
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<author><name sortKey="Korosec, Marko" sort="Korosec, Marko" uniqKey="Korosec M" first="Marko" last="Korosec">Marko Korosec</name>
<affiliation wicri:level="1"><nlm:affiliation>Institute of Clinical Neurophysiology, Division of Neurology, University Medical Center, Ljubljana, Slovenia. marko.korosec@kclj.si</nlm:affiliation>
<country xml:lang="fr">Slovénie</country>
<wicri:regionArea>Institute of Clinical Neurophysiology, Division of Neurology, University Medical Center, Ljubljana</wicri:regionArea>
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<author><name sortKey="Zidar, Ignac" sort="Zidar, Ignac" uniqKey="Zidar I" first="Ignac" last="Zidar">Ignac Zidar</name>
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<author><name sortKey="Reits, Dik" sort="Reits, Dik" uniqKey="Reits D" first="Dik" last="Reits">Dik Reits</name>
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<author><name sortKey="Evinger, Craig" sort="Evinger, Craig" uniqKey="Evinger C" first="Craig" last="Evinger">Craig Evinger</name>
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<author><name sortKey="Vanderwerf, Frans" sort="Vanderwerf, Frans" uniqKey="Vanderwerf F" first="Frans" last="Vanderwerf">Frans Vanderwerf</name>
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<series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title>
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<term>Blinking (physiology)</term>
<term>Eyelids (physiology)</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Movement</term>
<term>Parkinson Disease (drug therapy)</term>
<term>Parkinson Disease (physiopathology)</term>
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<front><div type="abstract" xml:lang="en">We examined eyelid movements during spontaneous, voluntary, and trigeminal reflex blinks in 16 patients with mild to moderate Parkinson's disease (PD) off medication and 14 controls. Voluntary and reflex blink amplitudes tended to be smaller than normal for PD patients, whereas eyelid kinematics (amplitude-maximum velocity relationship) for all three blink types were normal. Spontaneous blink rate was less than normal for 10 patients and abnormally high for 6 patients. A significant positive correlation between spontaneous blink amplitude and blink rate was found. These observations suggest that PD modifies the gain of a premotor blink circuit shared by spontaneous, voluntary, and reflex blinks.</div>
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<name sortKey="Vanderwerf, Frans" sort="Vanderwerf, Frans" uniqKey="Vanderwerf F" first="Frans" last="Vanderwerf">Frans Vanderwerf</name>
<name sortKey="Zidar, Ignac" sort="Zidar, Ignac" uniqKey="Zidar I" first="Ignac" last="Zidar">Ignac Zidar</name>
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<country name="Slovénie"><noRegion><name sortKey="Korosec, Marko" sort="Korosec, Marko" uniqKey="Korosec M" first="Marko" last="Korosec">Marko Korosec</name>
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