questionsmedicales.fr
Phénomènes physiologiques de l'appareil locomoteur et du système nerveux
Phénomènes physiologiques du système nerveux
Transmission synaptique
Transmission synaptique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Dysfonctionnement synaptique
Électrophysiologie
IRM fonctionnelle
Électroencéphalogramme
Troubles de la mémoire
Convulsions
Microscopie à fluorescence
Transmission synaptique
Synaptophysine
Marqueurs biologiques
Symptômes
5
Troubles cognitifs
Spasmes musculaires
Dépression
Plasticité synaptique
Troubles de l'humeur
Neurotransmetteurs
Tremblements
Troubles de la coordination
Fatigue chronique
Transmission synaptique
Prévention
5
Mode de vie sain
Alimentation équilibrée
Stress chronique
Plasticité synaptique
Exercice physique
Santé neuronale
Sommeil
Régénération synaptique
Méditation
Plasticité synaptique
Traitements
5
Antidépresseurs
Nootropiques
Thérapie cognitive
Plasticité synaptique
Suppléments alimentaires
Oméga-3
Stimulation cérébrale
Connexions synaptiques
Thérapies comportementales
Plasticité synaptique
Complications
5
Troubles neurologiques
Crises
Maladies neurodégénératives
Alzheimer
Troubles de l'apprentissage
Transmission synaptique
Troubles psychotiques
Neurotransmetteurs
Schizophrénie
Dysfonctionnements synaptiques
Facteurs de risque
5
Tabagisme
Fonction synaptique
Maladies chroniques
Diabète
Inactivité physique
Santé cognitive
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"name": "Comment diagnostiquer un dysfonctionnement synaptique ?",
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"text": "Des tests électrophysiologiques et des imageries cérébrales peuvent être utilisés."
}
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{
"@type": "Question",
"name": "Quels examens sont utilisés pour évaluer la transmission synaptique ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM fonctionnelle et l'électroencéphalogramme (EEG) sont couramment utilisés."
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"@type": "Question",
"name": "Quels symptômes indiquent un problème de transmission synaptique ?",
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"text": "Des troubles de la mémoire, des convulsions ou des changements de comportement peuvent survenir."
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"name": "Quels marqueurs biologiques sont associés à la transmission synaptique ?",
"position": 5,
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"@type": "Answer",
"text": "Des protéines comme la synaptophysine peuvent servir de marqueurs pour la synapse."
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"@type": "Question",
"name": "Quels symptômes sont liés à une transmission synaptique altérée ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes incluent des troubles cognitifs, des spasmes musculaires et des douleurs."
}
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"@type": "Question",
"name": "Comment la dépression affecte-t-elle la transmission synaptique ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "La dépression peut réduire la plasticité synaptique, affectant la communication neuronale."
}
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"@type": "Question",
"name": "Les troubles de l'humeur sont-ils liés à la transmission synaptique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent provoquer des troubles de l'humeur."
}
},
{
"@type": "Question",
"name": "Quels signes neurologiques peuvent indiquer un problème synaptique ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes incluent des tremblements, des troubles de la coordination et des réflexes anormaux."
}
},
{
"@type": "Question",
"name": "La fatigue chronique est-elle liée à la transmission synaptique ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies dans la transmission synaptique peuvent contribuer à la fatigue chronique."
}
},
{
"@type": "Question",
"name": "Comment prévenir les troubles de la transmission synaptique ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, est essentiel."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il la transmission synaptique ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut altérer la transmission synaptique et la plasticité."
}
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{
"@type": "Question",
"name": "L'exercice physique influence-t-il la transmission synaptique ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier favorise la santé neuronale et la transmission synaptique."
}
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{
"@type": "Question",
"name": "Les habitudes de sommeil affectent-elles la transmission synaptique ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un sommeil de qualité est crucial pour la régénération synaptique et cognitive."
}
},
{
"@type": "Question",
"name": "La méditation peut-elle améliorer la transmission synaptique ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la méditation peut augmenter la plasticité synaptique et réduire le stress."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour améliorer la transmission synaptique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les antidépresseurs et les nootropiques peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "La thérapie cognitive peut-elle aider la transmission synaptique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut améliorer la plasticité synaptique et la fonction cognitive."
}
},
{
"@type": "Question",
"name": "Les suppléments alimentaires influencent-ils la transmission synaptique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certains suppléments comme les oméga-3 peuvent favoriser la santé synaptique."
}
},
{
"@type": "Question",
"name": "Comment la stimulation cérébrale affecte-t-elle la transmission synaptique ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La stimulation cérébrale peut renforcer les connexions synaptiques et améliorer la fonction."
}
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{
"@type": "Question",
"name": "Les thérapies comportementales aident-elles la transmission synaptique ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent améliorer les interactions neuronales et la plasticité synaptique."
}
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{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'une transmission synaptique altérée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles neurologiques, des troubles de l'humeur et des crises."
}
},
{
"@type": "Question",
"name": "Les maladies neurodégénératives affectent-elles la transmission synaptique ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme Alzheimer altèrent gravement la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Comment les troubles de l'apprentissage sont-ils liés à la transmission synaptique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans la transmission synaptique peuvent entraîner des difficultés d'apprentissage."
}
},
{
"@type": "Question",
"name": "Les troubles psychotiques sont-ils liés à la transmission synaptique ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent contribuer aux troubles psychotiques."
}
},
{
"@type": "Question",
"name": "La schizophrénie affecte-t-elle la transmission synaptique ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la schizophrénie est associée à des dysfonctionnements dans la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque influencent la transmission synaptique ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des facteurs comme l'âge, le stress et la génétique peuvent influencer la transmission."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans la transmission synaptique ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en nutriments favorise une transmission synaptique saine."
}
},
{
"@type": "Question",
"name": "Le tabagisme affecte-t-il la transmission synaptique ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme peut altérer la fonction synaptique et augmenter le risque de troubles."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques influencent-elles la transmission synaptique ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme le diabète peuvent affecter la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Le manque d'activité physique est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'inactivité physique peut nuire à la santé synaptique et cognitive."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 23/02/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany. dietmar.schmitz@charite.de.
Berlin Institute of Health, 10178, Berlin, Germany. dietmar.schmitz@charite.de.
German Center for Neurodegenerative Diseases (DZNE), 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Cluster of Excellence NeuroCure, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Einstein Center for Neurosciences Berlin, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Publications dans "Transmission synaptique" :
2 publications dans cette catégorie
Affiliations :
Department of Basic Neurosciences, Medical Faculty, University of Geneva, CH-1211 Geneva, Switzerland. christian.luscher@unige.ch.
Clinic of Neurology, Department of Clinical Neurosciences, Geneva University Hospital, CH-1211 Geneva, Switzerland.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Laboratoire de Physique de l'Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, Paris, France.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, Université Laval, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: natali.chanaday@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: ege.kavalali@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA. yakel@niehs.nih.gov.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA. Electronic address: ryan.hibbs@utsouthwestern.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Laboratorio de Neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores, Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, México. Electronic address: aehe67@gmail.com.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
School of Advanced Science and Engineering, Department of Electrical Engineering and Biosciences, Waseda University, Tokyo, Japan.
Department of Neurophysiology, Keio University School of Medicine, Tokyo, Japan.
Japan Science and Technology Agency, PRESTO, Kawaguchi, Saitama, Japan.
Laboratory for Developmental Neurobiology, RIKEN Center for Brain Science, Wako, Japan.
Publications dans "Transmission synaptique" :
Overnight sleep staging is an important part of the diagnosis of various sleep disorders. Polysomnography is the gold standard for sleep staging, but less-obtrusive sensing modalities are of emerging ...
Several raw-data processing software for accelerometer-measured physical activity (PA) exist, but whether results agree has not been assessed. We examined the agreement between three different softwar...
Treating opioid use disorder (OUD) is a significant healthcare challenge in the United States. Remaining abstinent from opioids is challenging for individuals with OUD due to withdrawal symptoms that ...
To describe and compare physical fitness variables according to compliance with the recommendations of physical activity, measured by accelerometry....
The sample gathered 120 students, 57 boys and 63 girls aged 9 to 11 years. The variables analyzed were: weight, stature, BMI, skinfolds, waist circumference, agility, flexibility, speed and strength o...
The students who followed the recommendation showed significantly lower values compared to those who did not for adiposity (sum of 7 skinfolds); body weight; body mass index (BMI) and abdominal streng...
Students who complied with physical activity recommendations had better body composition and more abdominal strength than those who did not....
Background Early diagnosis is essential for effective stroke therapy. Strokes in hospitalized patients are associated with worse outcomes compared with strokes in the community. We derived and validat...
Currently, there is no way to assess mechanical loading variables such as peak ground reaction forces (pGRF) and peak loading rate (pLR) in clinical settings. The purpose of this study was to develop ...
Identifying the best analytical approach for capturing moderate-to-vigorous physical activity (MVPA) using accelerometry is complex but inconsistent approaches employed in research and surveillance li...
Juvenile idiopathic arthritis (JIA) can lead to functional impotence and reduced physical activity (PA) in patients. The objective of this study was to monitor the daily PA of children aged 6-18 years...
Patients volunteering for the study wore an accelerometer for 7 consecutive days; data were evaluated using a wGT3X ActiGraph™. The 2010 World Health Organization (WHO) recommendations were used for c...
We collected accelerometry data for 24 patients of the University Hospital Center (UHC) of Besançon. Only two patients did not reach the recommendations of moderate-to-vigorous PA (MVPA). Time spent i...
Almost all of the patients of the UHC of Besançon who accepted the study reached the WHO recommendations. Having an active disease, having painful upper limbs, or being a girl is associated with decre...
Upper limb (UL) paresis is one of the most common stroke consequences and significantly restricts patients in everyday life. Instruments objectively measuring direct arm use in stroke patients are lac...
Articles were systematically searched in PubMed, Scopus, Cochrane Library, PeDro and LIVIVO through December 12...
Excluding duplicates, the initial search yielded 477 records. In the 34 eligible studies accelerometers was used with a predominance of tri-axial accelerometery (n = 12) and only few with two-axial ap...
Accelerometers can provide reliable data about daily arm use frequency but do not supply information about the movements´ quality and restrictions on everyday activities of stroke patients. Depending ...
Efforts to study performance fatigability have been limited because of measurement constrains. Accelerometry and advanced statistical methods may enable us to quantify performance fatigability more gr...
Sixty-three older adults from our cross-sectional study (mean age, 78 yr; 56% women; 88% White) completed fast-paced ( n = 59) and/or usual-paced 400-m walks ( n = 56) with valid accelerometer data. P...
Higher PPFI scores (higher score = greater fatigability) correlated with worse physical function, slower chair stands speed and gait speed, worse cardiorespiratory fitness and mobility, and lower leg ...
Our findings revealed that the objective PPFI is a sensitive measure of performance fatigability for older adults and can serve as a risk assessment tool or outcome measure in future studies and clini...