Overview of Human Tremor Physiology
Identifieur interne : 004F38 ( Main/Exploration ); précédent : 004F37; suivant : 004F39Overview of Human Tremor Physiology
Auteurs : Mark Hallett [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 1998.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Accelerometry, Biological Clocks (physiology), Central nervous system, Central oscillator, Clinical form, Electromyography, Electromyography (methods), Essential tremor, Exploration, Human, Humans, Mechanical oscillator, Muscle Spindles (physiology), Oscillator, Palatal tremor, Pathogenesis, Pathophysiology, Physiological tremor, Reflex, Reflex, Stretch (physiology), Rest tremor, Tremor, Tremor (diagnosis), Type.
- MESH :
- diagnosis : Tremor.
- methods : Electromyography.
- physiology : Biological Clocks, Muscle Spindles, Reflex, Stretch.
- Humans.
Abstract
The physiology differs in the many forms of human tremor. Tremors may derive from mechanical oscillations, mechanical reflex oscillations, normal central oscillators, and pathologic central oscillators. Methods of studying tremor include accelerometry and electromyography (EMG). An excellent method consists of accelerometry and EMG combined with spectral analysis and weighting of the body part, which allows separation of tremors coming from mechanical reflex and central oscillators. Physiologic tremor is a mechanical tremor with a possible contribution of the normal 8–12 Hz central oscillator; exaggerated physiologic tremor is a mechanical reflex tremor. Essential tremor (ET) comes from a central oscillator that can be easily influenced with sensory input. The classic rest tremor of Parkinson's disease (PD) comes from a central oscillator that seems less easily influenced with sensory input but can be affected by transcranial magnetic stimulation. Other tremors with central oscillators are palatal tremor and orthostatic tremor. Other tremors whose physiology involves central loops includes cerebellar tremor and cortical tremor. Neuropathic tremors may be a result of delays in peripheral loops, but central oscillators play a role in some.
Url:
DOI: 10.1002/mds.870131308
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="1998">1998</date><biblScope unit="vol">13</biblScope><biblScope unit="issue">S3</biblScope><biblScope unit="page" from="43">43</biblScope><biblScope unit="page" to="48">48</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">AA21AE5B9480B65AB2EBF091935390AD48F32EC3</idno><idno type="DOI">10.1002/mds.870131308</idno><idno type="ArticleID">MDS870131308</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Accelerometry</term><term>Biological Clocks (physiology)</term><term>Central nervous system</term><term>Central oscillator</term><term>Clinical form</term><term>Electromyography</term><term>Electromyography (methods)</term><term>Essential tremor</term><term>Exploration</term><term>Human</term><term>Humans</term><term>Mechanical oscillator</term><term>Muscle Spindles (physiology)</term><term>Oscillator</term><term>Palatal tremor</term><term>Pathogenesis</term><term>Pathophysiology</term><term>Physiological tremor</term><term>Reflex</term><term>Reflex, Stretch (physiology)</term><term>Rest tremor</term><term>Tremor</term><term>Tremor (diagnosis)</term><term>Type</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Electromyography</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Biological Clocks</term><term>Muscle Spindles</term><term>Reflex, Stretch</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Accélérométrie</term><term>Electromyographie</term><term>Exploration</term><term>Forme clinique</term><term>Homme</term><term>Oscillateur</term><term>Pathogénie</term><term>Physiopathologie</term><term>Réflexe</term><term>Système nerveux central</term><term>Tremblement</term><term>Type</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 physiology differs in the many forms of human tremor. Tremors may derive from mechanical oscillations, mechanical reflex oscillations, normal central oscillators, and pathologic central oscillators. Methods of studying tremor include accelerometry and electromyography (EMG). An excellent method consists of accelerometry and EMG combined with spectral analysis and weighting of the body part, which allows separation of tremors coming from mechanical reflex and central oscillators. Physiologic tremor is a mechanical tremor with a possible contribution of the normal 8–12 Hz central oscillator; exaggerated physiologic tremor is a mechanical reflex tremor. Essential tremor (ET) comes from a central oscillator that can be easily influenced with sensory input. The classic rest tremor of Parkinson's disease (PD) comes from a central oscillator that seems less easily influenced with sensory input but can be affected by transcranial magnetic stimulation. Other tremors with central oscillators are palatal tremor and orthostatic tremor. Other tremors whose physiology involves central loops includes cerebellar tremor and cortical tremor. Neuropathic tremors may be a result of delays in peripheral loops, but central oscillators play a role in some.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Maryland</li></region></list><tree><country name="États-Unis"><region name="Maryland"><name sortKey="Hallett, Mark" sort="Hallett, Mark" uniqKey="Hallett M" first="Mark" last="Hallett">Mark Hallett</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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