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On doing nothing: descriptions of sleep, fatigue, and motivation in encephalitis lethargica.

Identifieur interne : 002F71 ( Ncbi/Curation ); précédent : 002F70; suivant : 002F72

On doing nothing: descriptions of sleep, fatigue, and motivation in encephalitis lethargica.

Auteurs : Christopher D. Ward [Royaume-Uni]

Source :

Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2011.

RBID : pubmed:21312282

English descriptors

KwdEn :
- Encephalitis (complications), Encephalitis (epidemiology), Encephalitis (history), Fatigue (etiology), History, 20th Century, Humans, Lethargy (complications), Lethargy (epidemiology), Lethargy (history), Mental Disorders (complications), Motivation, Sleep Disorders (etiology).
MESH :
- complications : Encephalitis, Lethargy, Mental Disorders.
- epidemiology : Encephalitis, Lethargy.
- etiology : Fatigue, Sleep Disorders.
- history : Encephalitis, Lethargy.
- History, 20th Century, Humans, Motivation.

Abstract

Epidemics of encephalitis lethargica (EL), from 1917 to the 1930s, are an important milestone in the history of movement disorders. Today, the two best-known features of EL are somnolence and parkinsonism but the full clinical picture was variable and complex. States of wakeful inactivity--as opposed to drowsiness--were often described both in the acute and postacute stages and were referred to in the EL literature as "lethargy" or "torpor." The study described here is based on a survey of clinical descriptions published in English, French, and German from 1917 to 1942. Its focus is on the history of clinical ideas, rather than applying modern pathophysiological concepts retrospectively. Descriptions of lethargy are explored as a way of elucidating concepts of sleep, fatigue, and motivation during the study period. The literature described many patients who had (1) lethargy without interruption in consciousness; (2) slowness of movement and catalepsy without other prominent parkinsonian features; and (3) apathy and lack of initiative without severe disorders of mood or thought content. Hence observers distinguished a state of wakeful inactivity from primary disorders of sleep, movement and behavior. Contemporaneous accounts suggest that writers had difficulty in reconciling their observations with preexisting concepts; there still may be limitations in our ability to describe and classify the clinical states connected during the epidemic era with the term "lethargy."

DOI: 10.1002/mds.23545
PubMed: 21312282

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pubmed:21312282

Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">On doing nothing: descriptions of sleep, fatigue, and motivation in encephalitis lethargica.</title>
<author><name sortKey="Ward, Christopher D" sort="Ward, Christopher D" uniqKey="Ward C" first="Christopher D" last="Ward">Christopher D. Ward</name>
<affiliation wicri:level="4"><nlm:affiliation>Rehabilitation Research Unit, Royal Derby Hospital, University of Nottingham, Derby, Nottingham, United Kingdom. c.d.ward@nottingham.ac.uk</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Rehabilitation Research Unit, Royal Derby Hospital, University of Nottingham, Derby, Nottingham</wicri:regionArea>
<orgName type="university">Université de Nottingham</orgName>
<placeName><settlement type="city">Nottingham</settlement>
<region type="nation">Angleterre</region>
<region type="région" nuts="1">Nottinghamshire</region>
</placeName>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PubMed</idno>
<date when="2011">2011</date>
<idno type="doi">10.1002/mds.23545</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">On doing nothing: descriptions of sleep, fatigue, and motivation in encephalitis lethargica.</title>
<author><name sortKey="Ward, Christopher D" sort="Ward, Christopher D" uniqKey="Ward C" first="Christopher D" last="Ward">Christopher D. Ward</name>
<affiliation wicri:level="4"><nlm:affiliation>Rehabilitation Research Unit, Royal Derby Hospital, University of Nottingham, Derby, Nottingham, United Kingdom. c.d.ward@nottingham.ac.uk</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Rehabilitation Research Unit, Royal Derby Hospital, University of Nottingham, Derby, Nottingham</wicri:regionArea>
<orgName type="university">Université de Nottingham</orgName>
<placeName><settlement type="city">Nottingham</settlement>
<region type="nation">Angleterre</region>
<region type="région" nuts="1">Nottinghamshire</region>
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<series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title>
<idno type="eISSN">1531-8257</idno>
<imprint><date when="2011" type="published">2011</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Encephalitis (complications)</term>
<term>Encephalitis (epidemiology)</term>
<term>Encephalitis (history)</term>
<term>Fatigue (etiology)</term>
<term>History, 20th Century</term>
<term>Humans</term>
<term>Lethargy (complications)</term>
<term>Lethargy (epidemiology)</term>
<term>Lethargy (history)</term>
<term>Mental Disorders (complications)</term>
<term>Motivation</term>
<term>Sleep Disorders (etiology)</term>
</keywords>
<keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Encephalitis</term>
<term>Lethargy</term>
<term>Mental Disorders</term>
</keywords>
<keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Encephalitis</term>
<term>Lethargy</term>
</keywords>
<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Fatigue</term>
<term>Sleep Disorders</term>
</keywords>
<keywords scheme="MESH" qualifier="history" xml:lang="en"><term>Encephalitis</term>
<term>Lethargy</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>History, 20th Century</term>
<term>Humans</term>
<term>Motivation</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Epidemics of encephalitis lethargica (EL), from 1917 to the 1930s, are an important milestone in the history of movement disorders. Today, the two best-known features of EL are somnolence and parkinsonism but the full clinical picture was variable and complex. States of wakeful inactivity--as opposed to drowsiness--were often described both in the acute and postacute stages and were referred to in the EL literature as "lethargy" or "torpor." The study described here is based on a survey of clinical descriptions published in English, French, and German from 1917 to 1942. Its focus is on the history of clinical ideas, rather than applying modern pathophysiological concepts retrospectively. Descriptions of lethargy are explored as a way of elucidating concepts of sleep, fatigue, and motivation during the study period. The literature described many patients who had (1) lethargy without interruption in consciousness; (2) slowness of movement and catalepsy without other prominent parkinsonian features; and (3) apathy and lack of initiative without severe disorders of mood or thought content. Hence observers distinguished a state of wakeful inactivity from primary disorders of sleep, movement and behavior. Contemporaneous accounts suggest that writers had difficulty in reconciling their observations with preexisting concepts; there still may be limitations in our ability to describe and classify the clinical states connected during the epidemic era with the term "lethargy."</div>
</front>
</TEI>
</record>

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	Movement Disorders (revue)
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Movement Disorders (revue)

On doing nothing: descriptions of sleep, fatigue, and motivation in encephalitis lethargica.

On doing nothing: descriptions of sleep, fatigue, and motivation in encephalitis lethargica.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki