Decreased habituation of midlatency auditory evoked responses in parkinson's disease
Identifieur interne : 005369 ( Main/Exploration ); précédent : 005368; suivant : 005370Decreased habituation of midlatency auditory evoked responses in parkinson's disease
Auteurs : Charles Teo [États-Unis] ; Lisa Rasco [États-Unis] ; Kynda Al-Mefty [États-Unis] ; Robert D. Skinner [États-Unis] ; Frederick A. Boop [États-Unis] ; Garcia‐Rill [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 1997-09.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Analysis of Variance, Auditory evoked potential, Auditory evoked potentials, Case-Control Studies, Cross-Sectional Studies, Evoked Potentials, Auditory (drug effects), Evoked Potentials, Auditory (physiology), Exploration, Female, Habituation, Psychophysiologic (drug effects), Habituation, Psychophysiologic (physiology), Human, Humans, Male, Middle Aged, P1/P50 potential, Parkinson Disease (physiopathology), Parkinson disease, Parkinson's disease, Psychotropic Drugs (adverse effects), Reaction Time (drug effects), Reaction Time (physiology), Severity of Illness Index.
- MESH :
- chemical , adverse effects : Psychotropic Drugs.
- drug effects : Evoked Potentials, Auditory, Habituation, Psychophysiologic, Reaction Time.
- physiology : Evoked Potentials, Auditory, Habituation, Psychophysiologic, Reaction Time.
- physiopathology : Parkinson Disease.
- Aged, Aged, 80 and over, Analysis of Variance, Case-Control Studies, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Severity of Illness Index.
Abstract
The PI midlatency auditory evoked potential was studied in patients with Parkinson's disease and compared to that in age‐matched controls. Habituation of the potential was determined by using a two‐click stimulus paradigm in which the stimuli were presented at 250‐, 500‐, and 1,000‐ms inter‐stimulus intervals. Results showed that habituation of the PI potential had a statistically significant decrease at the 250‐ms and 500‐ms interstimulus intervals in patients with Parkinson's disease compared to normal controls. The degree of decreased habituation was found to increase with severity of the disease such that stage 5 patients showed greater decreases in habituation compared to stage 4, as did stage 4 compared to stage 3. These findings may be explained by the presence of a dysregulation of sensory processing, possibly by elements of the reticular activating system, including the pedunculopontine nucleus, in Parkinson's disease.
Url:
DOI: 10.1002/mds.870120506
Affiliations:
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Le document en format XML
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="1997-09">1997-09</date><biblScope unit="vol">12</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="655">655</biblScope><biblScope unit="page" to="664">664</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">D24BAD6169EC9782889E52A6117B539DF2666915</idno><idno type="DOI">10.1002/mds.870120506</idno><idno type="ArticleID">MDS870120506</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Analysis of Variance</term><term>Auditory evoked potential</term><term>Auditory evoked potentials</term><term>Case-Control Studies</term><term>Cross-Sectional Studies</term><term>Evoked Potentials, Auditory (drug effects)</term><term>Evoked Potentials, Auditory (physiology)</term><term>Exploration</term><term>Female</term><term>Habituation, Psychophysiologic (drug effects)</term><term>Habituation, Psychophysiologic (physiology)</term><term>Human</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>P1/P50 potential</term><term>Parkinson Disease (physiopathology)</term><term>Parkinson disease</term><term>Parkinson's disease</term><term>Psychotropic Drugs (adverse effects)</term><term>Reaction Time (drug effects)</term><term>Reaction Time (physiology)</term><term>Severity of Illness Index</term></keywords><keywords scheme="MESH" type="chemical" qualifier="adverse effects" xml:lang="en"><term>Psychotropic Drugs</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Evoked Potentials, Auditory</term><term>Habituation, Psychophysiologic</term><term>Reaction Time</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Evoked Potentials, Auditory</term><term>Habituation, Psychophysiologic</term><term>Reaction Time</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Analysis of Variance</term><term>Case-Control Studies</term><term>Cross-Sectional Studies</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Severity of Illness Index</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Exploration</term><term>Homme</term><term>Parkinson maladie</term><term>Potentiel évoqué auditif</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The PI midlatency auditory evoked potential was studied in patients with Parkinson's disease and compared to that in age‐matched controls. Habituation of the potential was determined by using a two‐click stimulus paradigm in which the stimuli were presented at 250‐, 500‐, and 1,000‐ms inter‐stimulus intervals. Results showed that habituation of the PI potential had a statistically significant decrease at the 250‐ms and 500‐ms interstimulus intervals in patients with Parkinson's disease compared to normal controls. The degree of decreased habituation was found to increase with severity of the disease such that stage 5 patients showed greater decreases in habituation compared to stage 4, as did stage 4 compared to stage 3. These findings may be explained by the presence of a dysregulation of sensory processing, possibly by elements of the reticular activating system, including the pedunculopontine nucleus, in Parkinson's disease.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Arkansas</li></region></list><tree><country name="États-Unis"><region name="Arkansas"><name sortKey="Teo, Charles" sort="Teo, Charles" uniqKey="Teo C" first="Charles" last="Teo">Charles Teo</name></region><name sortKey="Al Efty, Kynda" sort="Al Efty, Kynda" uniqKey="Al Efty K" first="Kynda" last="Al-Mefty">Kynda Al-Mefty</name><name sortKey="Boop, Frederick A" sort="Boop, Frederick A" uniqKey="Boop F" first="Frederick A." last="Boop">Frederick A. Boop</name><name sortKey="Garcia Ill" sort="Garcia Ill" uniqKey="Garcia Ill" last="Garcia-Rill">Garcia‐Rill</name><name sortKey="Rasco, Lisa" sort="Rasco, Lisa" uniqKey="Rasco L" first="Lisa" last="Rasco">Lisa Rasco</name><name sortKey="Skinner, Robert D" sort="Skinner, Robert D" uniqKey="Skinner R" first="Robert D." last="Skinner">Robert D. Skinner</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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