Cortical motor activation in akinetic schizophrenic patients: A pilot functional MRI study
Identifieur interne : 003D59 ( Main/Curation ); précédent : 003D58; suivant : 003D60Cortical motor activation in akinetic schizophrenic patients: A pilot functional MRI study
Auteurs : Pierre Payoux [France] ; Kader Boulanouar [France] ; Christine Sarramon [France] ; Nelly Fabre [France] ; Sylvie Descombes [France] ; Monique Galitsky [France] ; Claire Thalamas [France] ; Christine Brefel-Courbon [France] ; Umberto Sabatini [Italie] ; Claude Manelfe [France] ; François Chollet [France] ; Laurent Schmitt [France] ; Olivier Rascol [France]Source :
- Movement Disorders [ 0885-3185 ] ; 2004-01.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Adult, Brain Mapping, Dominance, Cerebral (physiology), Functional Laterality (physiology), Gyrus Cinguli (physiopathology), Hand (innervation), Human, Humans, Hypokinesia (diagnosis), Hypokinesia (physiopathology), Hypokinesia (psychology), Image Processing, Computer-Assisted, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Male, Motor Activity (physiology), Motor Cortex (physiopathology), Nervous system diseases, Nuclear magnetic resonance imaging, Parietal Lobe (physiopathology), Pilot Projects, Psychiatric Status Rating Scales, Reaction Time (physiology), Reference Values, Schizophrenia (diagnosis), Schizophrenia (physiopathology), Schizophrenic Psychology, Serial Learning (physiology), Somatosensory Cortex (physiopathology), akinesia, fMRI, neuroleptics, schizophrenia.
- MESH :
- diagnosis : Hypokinesia, Schizophrenia.
- innervation : Hand.
- physiology : Dominance, Cerebral, Functional Laterality, Motor Activity, Reaction Time, Serial Learning.
- physiopathology : Gyrus Cinguli, Hypokinesia, Motor Cortex, Parietal Lobe, Schizophrenia, Somatosensory Cortex.
- psychology : Hypokinesia.
- Adult, Brain Mapping, Humans, Image Processing, Computer-Assisted, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Male, Pilot Projects, Psychiatric Status Rating Scales, Reference Values, Schizophrenic Psychology.
Abstract
Akinesia is associated with supplementary motor area (SMA) dysfunction in Parkinson's disease. We looked for a similar association in patients with schizophrenia. Using functional magnetic resonance imaging (fMRI), we compared motor activation in 6 akinetic neuroleptic‐treated schizophrenic patients and 6 normal subjects. Schizophrenic patients had a defective activation in the SMA, left primary sensorimotor cortex, bilateral lateral premotor and inferior parietal cortices, whereas the right primary sensorimotor cortex and a mesial frontal area were hyperactive. SMA was hypoactive in akinetic schizophrenic patients, emphasizing the role of this area in motor slowness. Other abnormal signals likely reflect schizophrenia‐related abnormal intracortical connections. © 2003 Movement Disorder Society
Url:
DOI: 10.1002/mds.10598
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<front><div type="abstract" xml:lang="en">Akinesia is associated with supplementary motor area (SMA) dysfunction in Parkinson's disease. We looked for a similar association in patients with schizophrenia. Using functional magnetic resonance imaging (fMRI), we compared motor activation in 6 akinetic neuroleptic‐treated schizophrenic patients and 6 normal subjects. Schizophrenic patients had a defective activation in the SMA, left primary sensorimotor cortex, bilateral lateral premotor and inferior parietal cortices, whereas the right primary sensorimotor cortex and a mesial frontal area were hyperactive. SMA was hypoactive in akinetic schizophrenic patients, emphasizing the role of this area in motor slowness. Other abnormal signals likely reflect schizophrenia‐related abnormal intracortical connections. © 2003 Movement Disorder Society</div>
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<author><name sortKey="Boulanouar, Kader" sort="Boulanouar, Kader" uniqKey="Boulanouar K" first="Kader" last="Boulanouar">Kader Boulanouar</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Sarramon, Christine" sort="Sarramon, Christine" uniqKey="Sarramon C" first="Christine" last="Sarramon">Christine Sarramon</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Psychiatry, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>3 aut.</sZ>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Fabre, Nelly" sort="Fabre, Nelly" uniqKey="Fabre N" first="Nelly" last="Fabre">Nelly Fabre</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Neurology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Descombes, Sylvie" sort="Descombes, Sylvie" uniqKey="Descombes S" first="Sylvie" last="Descombes">Sylvie Descombes</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Galitsky, Monique" sort="Galitsky, Monique" uniqKey="Galitsky M" first="Monique" last="Galitsky">Monique Galitsky</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Thalamas, Claire" sort="Thalamas, Claire" uniqKey="Thalamas C" first="Claire" last="Thalamas">Claire Thalamas</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Brefel Courbon, Christine" sort="Brefel Courbon, Christine" uniqKey="Brefel Courbon C" first="Christine" last="Brefel-Courbon">Christine Brefel-Courbon</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Department of Clinical Pharmacology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>8 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Sabatini, Umberto" sort="Sabatini, Umberto" uniqKey="Sabatini U" first="Umberto" last="Sabatini">Umberto Sabatini</name>
<affiliation wicri:level="3"><inist:fA14 i1="07"><s1>Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia</s1>
<s2>Rome</s2>
<s3>ITA</s3>
<sZ>9 aut.</sZ>
</inist:fA14>
<country>Italie</country>
<placeName><settlement type="city">Rome</settlement>
<region nuts="2">Latium</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Manelfe, Claude" sort="Manelfe, Claude" uniqKey="Manelfe C" first="Claude" last="Manelfe">Claude Manelfe</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Department of Neuroradiology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>10 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Chollet, Francois" sort="Chollet, Francois" uniqKey="Chollet F" first="Francois" last="Chollet">Francois Chollet</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>PET Center, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Neurology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Schmitt, Laurent" sort="Schmitt, Laurent" uniqKey="Schmitt L" first="Laurent" last="Schmitt">Laurent Schmitt</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Psychiatry, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>3 aut.</sZ>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Rascol, Olivier" sort="Rascol, Olivier" uniqKey="Rascol O" first="Olivier" last="Rascol">Olivier Rascol</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
<placeName><settlement type="city">Toulouse</settlement>
<region type="region" nuts="2">Midi-Pyrénées</region>
</placeName>
<orgName type="university" n="3">Université Toulouse III - Paul Sabatier</orgName>
<orgName type="institution" wicri:auto="newGroup">Université de Toulouse</orgName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>PET Center, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
<placeName><settlement type="city">Toulouse</settlement>
<region type="region" nuts="2">Midi-Pyrénées</region>
</placeName>
<orgName type="university" n="3">Université Toulouse III - Paul Sabatier</orgName>
<orgName type="institution" wicri:auto="newGroup">Université de Toulouse</orgName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
<placeName><settlement type="city">Toulouse</settlement>
<region type="region" nuts="2">Midi-Pyrénées</region>
</placeName>
<orgName type="university" n="3">Université Toulouse III - Paul Sabatier</orgName>
<orgName type="institution" wicri:auto="newGroup">Université de Toulouse</orgName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Department of Clinical Pharmacology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>8 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
<placeName><settlement type="city">Toulouse</settlement>
<region type="region" nuts="2">Midi-Pyrénées</region>
</placeName>
<orgName type="university" n="3">Université Toulouse III - Paul Sabatier</orgName>
<orgName type="institution" wicri:auto="newGroup">Université de Toulouse</orgName>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">INIST</idno>
<idno type="inist">04-0234531</idno>
<date when="2004">2004</date>
<idno type="stanalyst">PASCAL 04-0234531 INIST</idno>
<idno type="RBID">Pascal:04-0234531</idno>
<idno type="wicri:Area/PascalFrancis/Corpus">002216</idno>
<idno type="wicri:Area/PascalFrancis/Curation">000B05</idno>
<idno type="wicri:Area/PascalFrancis/Checkpoint">002193</idno>
<idno type="wicri:doubleKey">0885-3185:2004:Payoux P:cortical:motor:activation</idno>
<idno type="wicri:Area/Main/Merge">005A31</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Cortical motor activation in akinetic schizophrenic patients: A pilot functional MRI study</title>
<author><name sortKey="Payoux, Pierre" sort="Payoux, Pierre" uniqKey="Payoux P" first="Pierre" last="Payoux">Pierre Payoux</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>PET Center, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Boulanouar, Kader" sort="Boulanouar, Kader" uniqKey="Boulanouar K" first="Kader" last="Boulanouar">Kader Boulanouar</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Sarramon, Christine" sort="Sarramon, Christine" uniqKey="Sarramon C" first="Christine" last="Sarramon">Christine Sarramon</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Psychiatry, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>3 aut.</sZ>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Fabre, Nelly" sort="Fabre, Nelly" uniqKey="Fabre N" first="Nelly" last="Fabre">Nelly Fabre</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Neurology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Descombes, Sylvie" sort="Descombes, Sylvie" uniqKey="Descombes S" first="Sylvie" last="Descombes">Sylvie Descombes</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Galitsky, Monique" sort="Galitsky, Monique" uniqKey="Galitsky M" first="Monique" last="Galitsky">Monique Galitsky</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Thalamas, Claire" sort="Thalamas, Claire" uniqKey="Thalamas C" first="Claire" last="Thalamas">Claire Thalamas</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Investigation Centre, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Brefel Courbon, Christine" sort="Brefel Courbon, Christine" uniqKey="Brefel Courbon C" first="Christine" last="Brefel-Courbon">Christine Brefel-Courbon</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Department of Clinical Pharmacology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>8 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Sabatini, Umberto" sort="Sabatini, Umberto" uniqKey="Sabatini U" first="Umberto" last="Sabatini">Umberto Sabatini</name>
<affiliation wicri:level="3"><inist:fA14 i1="07"><s1>Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia</s1>
<s2>Rome</s2>
<s3>ITA</s3>
<sZ>9 aut.</sZ>
</inist:fA14>
<country>Italie</country>
<placeName><settlement type="city">Rome</settlement>
<region nuts="2">Latium</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Manelfe, Claude" sort="Manelfe, Claude" uniqKey="Manelfe C" first="Claude" last="Manelfe">Claude Manelfe</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Department of Neuroradiology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>10 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Chollet, Francois" sort="Chollet, Francois" uniqKey="Chollet F" first="Francois" last="Chollet">Francois Chollet</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INSERM U 455</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>PET Center, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Neurology, University Hospital of Toulouse</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><settlement type="city">Toulouse</settlement>
</placeName>
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<front><div type="abstract" xml:lang="en">Akinesia is associated with supplementary motor area (SMA) dysfunction in Parkinson's disease. We looked for a similar association in patients with schizophrenia. Using functional magnetic resonance imaging (fMRI), we compared motor activation in 6 akinetic neuroleptic-treated schizophrenic patients and 6 normal subjects. Schizophrenic patients had a defective activation in the SMA, left primary sensorimotor cortex, bilateral lateral premotor and inferior parietal cortices, whereas the right primary sensorimotor cortex and a mesial frontal area were hyperactive. SMA was hypoactive in akinetic schizophrenic patients, emphasizing the role of this area in motor slowness. Other abnormal signals likely reflect schizophrenia-related abnormal intracortical connections.</div>
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<front><div type="abstract" xml:lang="en">Akinesia is associated with supplementary motor area (SMA) dysfunction in Parkinson's disease. We looked for a similar association in patients with schizophrenia. Using functional magnetic resonance imaging (fMRI), we compared motor activation in 6 akinetic neuroleptic‐treated schizophrenic patients and 6 normal subjects. Schizophrenic patients had a defective activation in the SMA, left primary sensorimotor cortex, bilateral lateral premotor and inferior parietal cortices, whereas the right primary sensorimotor cortex and a mesial frontal area were hyperactive. SMA was hypoactive in akinetic schizophrenic patients, emphasizing the role of this area in motor slowness. Other abnormal signals likely reflect schizophrenia‐related abnormal intracortical connections. © 2003 Movement Disorder Society</div>
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