Sternomastoid function during hemispheric suppression by amytal: insights into the inputs to the spinal accessory nerve nucleus.
Identifieur interne : 005031 ( Ncbi/Checkpoint ); précédent : 005030; suivant : 005032Sternomastoid function during hemispheric suppression by amytal: insights into the inputs to the spinal accessory nerve nucleus.
Auteurs : J C Detoledo [États-Unis] ; R. DowSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 1998.
English descriptors
- KwdEn :
- Accessory Nerve (drug effects), Accessory Nerve (physiology), Amobarbital (diagnostic use), Carotid Artery, Internal, Cerebral Cortex (drug effects), Cerebral Cortex (physiology), Dominance, Cerebral (drug effects), Dominance, Cerebral (physiology), Head Movements (drug effects), Head Movements (physiology), Humans, Injections, Intra-Arterial, Neck Muscles (innervation), Pyramidal Tracts (drug effects), Pyramidal Tracts (physiology).
- MESH :
- chemical , diagnostic use : Amobarbital.
- drug effects : Accessory Nerve, Cerebral Cortex, Dominance, Cerebral, Head Movements, Pyramidal Tracts.
- innervation : Neck Muscles.
- physiology : Accessory Nerve, Cerebral Cortex, Dominance, Cerebral, Head Movements, Pyramidal Tracts.
- Carotid Artery, Internal, Humans, Injections, Intra-Arterial.
Abstract
The debate as to whether the sternomastoids receive ipsilateral, contralateral, or bilateral cortical innervation is based largely on the observation of stroke patients and, to a lesser extent, on animal experimentation. The variability of vascular lesions, the lack of pathology correlation in the early reports, and the differences in posture between humans and laboratory animals contributed to the controversy. We studied the function of the sternomastoid (SM) muscles during transient, complete left hemiplegia in 18 right-handed patients undergoing a Wada test. After injection in the right internal carotid artery (ICA), 14 patients were able to lift and turn their heads both to the right and to the left on command. Ten of the 14 patients who were able to follow commands after the injection had weakness of the right sternomastoid compared with the left. Our findings demonstrate that the left hemisphere can activate both the right and the left sternomastoid muscles during suppression of the right hemisphere. The sternomastoids receive bilateral hemispheric innervation and the maximal input comes from the ipsilateral hemisphere.
DOI: 10.1002/mds.870130509
PubMed: 9756150
Affiliations:
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pubmed:9756150Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Sternomastoid function during hemispheric suppression by amytal: insights into the inputs to the spinal accessory nerve nucleus.</title><author><name sortKey="Detoledo, J C" sort="Detoledo, J C" uniqKey="Detoledo J" first="J C" last="Detoledo">J C Detoledo</name><affiliation wicri:level="1"><nlm:affiliation>Department of Neurology, University of Miami, Florida 33136, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Neurology, University of Miami, Florida 33136</wicri:regionArea><wicri:noRegion>Florida 33136</wicri:noRegion></affiliation></author><author><name sortKey="Dow, R" sort="Dow, R" uniqKey="Dow R" first="R" last="Dow">R. Dow</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1998">1998</date><idno type="RBID">pubmed:9756150</idno><idno type="pmid">9756150</idno><idno type="doi">10.1002/mds.870130509</idno><idno type="wicri:Area/PubMed/Corpus">004355</idno><idno type="wicri:Area/PubMed/Curation">004355</idno><idno type="wicri:Area/PubMed/Checkpoint">004331</idno><idno type="wicri:Area/Ncbi/Merge">005031</idno><idno type="wicri:Area/Ncbi/Curation">005031</idno><idno type="wicri:Area/Ncbi/Checkpoint">005031</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Sternomastoid function during hemispheric suppression by amytal: insights into the inputs to the spinal accessory nerve nucleus.</title><author><name sortKey="Detoledo, J C" sort="Detoledo, J C" uniqKey="Detoledo J" first="J C" last="Detoledo">J C Detoledo</name><affiliation wicri:level="1"><nlm:affiliation>Department of Neurology, University of Miami, Florida 33136, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Neurology, University of Miami, Florida 33136</wicri:regionArea><wicri:noRegion>Florida 33136</wicri:noRegion></affiliation></author><author><name sortKey="Dow, R" sort="Dow, R" uniqKey="Dow R" first="R" last="Dow">R. Dow</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="ISSN">0885-3185</idno><imprint><date when="1998" type="published">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Accessory Nerve (drug effects)</term><term>Accessory Nerve (physiology)</term><term>Amobarbital (diagnostic use)</term><term>Carotid Artery, Internal</term><term>Cerebral Cortex (drug effects)</term><term>Cerebral Cortex (physiology)</term><term>Dominance, Cerebral (drug effects)</term><term>Dominance, Cerebral (physiology)</term><term>Head Movements (drug effects)</term><term>Head Movements (physiology)</term><term>Humans</term><term>Injections, Intra-Arterial</term><term>Neck Muscles (innervation)</term><term>Pyramidal Tracts (drug effects)</term><term>Pyramidal Tracts (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="diagnostic use" xml:lang="en"><term>Amobarbital</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Accessory Nerve</term><term>Cerebral Cortex</term><term>Dominance, Cerebral</term><term>Head Movements</term><term>Pyramidal Tracts</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Neck Muscles</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Accessory Nerve</term><term>Cerebral Cortex</term><term>Dominance, Cerebral</term><term>Head Movements</term><term>Pyramidal Tracts</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Carotid Artery, Internal</term><term>Humans</term><term>Injections, Intra-Arterial</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The debate as to whether the sternomastoids receive ipsilateral, contralateral, or bilateral cortical innervation is based largely on the observation of stroke patients and, to a lesser extent, on animal experimentation. The variability of vascular lesions, the lack of pathology correlation in the early reports, and the differences in posture between humans and laboratory animals contributed to the controversy. We studied the function of the sternomastoid (SM) muscles during transient, complete left hemiplegia in 18 right-handed patients undergoing a Wada test. After injection in the right internal carotid artery (ICA), 14 patients were able to lift and turn their heads both to the right and to the left on command. Ten of the 14 patients who were able to follow commands after the injection had weakness of the right sternomastoid compared with the left. Our findings demonstrate that the left hemisphere can activate both the right and the left sternomastoid muscles during suppression of the right hemisphere. The sternomastoids receive bilateral hemispheric innervation and the maximal input comes from the ipsilateral hemisphere.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Dow, R" sort="Dow, R" uniqKey="Dow R" first="R" last="Dow">R. Dow</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Detoledo, J C" sort="Detoledo, J C" uniqKey="Detoledo J" first="J C" last="Detoledo">J C Detoledo</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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