Titre : Perception du mouvement

Perception du mouvement : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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du mouvement", "description": "Comment évaluer la perception du mouvement ?\nQuels examens sont recommandés ?\nQuels signes indiquent un trouble de la perception ?\nQuand consulter un spécialiste ?\nLa perception du mouvement peut-elle être testée chez les enfants ?", "url": "https://questionsmedicales.fr/mesh/D009039?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Perception du mouvement", "description": "Quels sont les symptômes d'un trouble de la perception du mouvement ?\nPeut-on ressentir des vertiges ?\nY a-t-il des effets sur l'équilibre ?\nLes illusions de mouvement sont-elles fréquentes ?\nLes troubles de la perception affectent-ils la vision ?", "url": "https://questionsmedicales.fr/mesh/D009039?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Perception du mouvement", "description": "Comment prévenir les troubles de la perception ?\nL'exercice régulier aide-t-il ?\nUne alimentation saine est-elle importante ?\nLe stress influence-t-il la perception ?\nDes activités cognitives peuvent-elles aider ?", "url": "https://questionsmedicales.fr/mesh/D009039?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Perception du mouvement", "description": "Quels traitements sont disponibles ?\nLes médicaments peuvent-ils aider ?\nLa thérapie physique est-elle efficace ?\nY a-t-il des approches alternatives ?\nLes exercices visuels sont-ils bénéfiques ?", "url": "https://questionsmedicales.fr/mesh/D009039?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Perception du mouvement", "description": "Quelles complications peuvent survenir ?\nLes troubles de la perception peuvent-ils affecter la vie quotidienne ?\nY a-t-il un risque accru de dépression ?\nLes complications peuvent-elles être évitées ?\nLes troubles de la perception augmentent-ils le risque d'accidents ?", "url": "https://questionsmedicales.fr/mesh/D009039?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Perception du mouvement", "description": "Quels sont les facteurs de risque principaux ?\nL'âge influence-t-il la perception du mouvement ?\nLes troubles de l'oreille interne sont-ils un facteur ?\nLe stress chronique est-il un facteur de risque ?\nLes antécédents familiaux jouent-ils un rôle ?", "url": "https://questionsmedicales.fr/mesh/D009039?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la perception du mouvement ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests psychophysiques et des évaluations cliniques sont utilisés." } }, { "@type": "Question", "name": "Quels examens sont recommandés ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM et l'électroencéphalogramme peuvent aider à diagnostiquer des troubles." } }, { "@type": "Question", "name": "Quels signes indiquent un trouble de la perception ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des difficultés à suivre des objets en mouvement ou des illusions de mouvement." } }, { "@type": "Question", "name": "Quand consulter un spécialiste ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Si des symptômes de désorientation ou de vertige persistent." } }, { "@type": "Question", "name": "La perception du mouvement peut-elle être testée chez les enfants ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests adaptés peuvent évaluer la perception chez les jeunes enfants." } }, { "@type": "Question", "name": "Quels sont les symptômes d'un trouble de la perception du mouvement ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Difficultés à juger la vitesse, la direction ou la distance des objets en mouvement." } }, { "@type": "Question", "name": "Peut-on ressentir des vertiges ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des vertiges peuvent survenir en raison de troubles de la perception." } }, { "@type": "Question", "name": "Y a-t-il des effets sur l'équilibre ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles de la perception du mouvement peuvent affecter l'équilibre." } }, { "@type": "Question", "name": "Les illusions de mouvement sont-elles fréquentes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent se produire, surtout dans des conditions de fatigue ou de stress." } }, { "@type": "Question", "name": "Les troubles de la perception affectent-ils la vision ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent entraîner des difficultés visuelles, comme la vision floue." } }, { "@type": "Question", "name": "Comment prévenir les troubles de la perception ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir une bonne santé générale et éviter les traumatismes crâniens." } }, { "@type": "Question", "name": "L'exercice régulier aide-t-il ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exercice régulier peut améliorer l'équilibre et la coordination." } }, { "@type": "Question", "name": "Une alimentation saine est-elle importante ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une alimentation équilibrée contribue à la santé neurologique." } }, { "@type": "Question", "name": "Le stress influence-t-il la perception ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut aggraver les troubles de la perception du mouvement." } }, { "@type": "Question", "name": "Des activités cognitives peuvent-elles aider ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des jeux de réflexion et des puzzles stimulent la perception et la cognition." } }, { "@type": "Question", "name": "Quels traitements sont disponibles ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "La thérapie cognitive et la rééducation vestibulaire sont couramment utilisées." } }, { "@type": "Question", "name": "Les médicaments peuvent-ils aider ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains médicaments peuvent traiter les symptômes associés, comme les vertiges." } }, { "@type": "Question", "name": "La thérapie physique est-elle efficace ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut améliorer l'équilibre et la coordination chez les patients." } }, { "@type": "Question", "name": "Y a-t-il des approches alternatives ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des techniques comme la méditation et le yoga peuvent aider à la gestion des symptômes." } }, { "@type": "Question", "name": "Les exercices visuels sont-ils bénéfiques ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des exercices spécifiques peuvent améliorer la perception du mouvement." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des chutes, des accidents et des troubles de l'équilibre peuvent se produire." } }, { "@type": "Question", "name": "Les troubles de la perception peuvent-ils affecter la vie quotidienne ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent rendre les tâches quotidiennes plus difficiles et dangereuses." } }, { "@type": "Question", "name": "Y a-t-il un risque accru de dépression ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les troubles de la perception peuvent contribuer à des problèmes de santé mentale." } }, { "@type": "Question", "name": "Les complications peuvent-elles être évitées ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être évitées par une réhabilitation précoce." } }, { "@type": "Question", "name": "Les troubles de la perception augmentent-ils le risque d'accidents ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils augmentent le risque d'accidents domestiques et routiers." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque principaux ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les traumatismes crâniens, les maladies neurologiques et le vieillissement." } }, { "@type": "Question", "name": "L'âge influence-t-il la perception du mouvement ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le vieillissement peut altérer la perception et l'équilibre." } }, { "@type": "Question", "name": "Les troubles de l'oreille interne sont-ils un facteur ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les troubles vestibulaires affectent la perception du mouvement." } }, { "@type": "Question", "name": "Le stress chronique est-il un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut exacerber les troubles de la perception." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de troubles neurologiques peuvent augmenter le risque." } } ] } ] }

Sources (10000 au total)

Diffusion tensor imaging for the differential diagnosis of Parkinsonism by machine learning.

There are currently no specific tests for either idiopathic Parkinson's disease or Parkinson-plus syndromes. The study aimed to investigate the diagnostic performance of features extracted from the wh... The retrospective data yielded 625 participants (average age: 61.4 ± 8.2, men/women: 313/312; healthy controls/idiopathic Parkinson's disease/multiple system atrophy/progressive supranuclear palsy: 21... Diagnoses were accurate for distinguishing idiopathic Parkinson's disease from healthy control and Parkinson-plus syndromes (87.4 ± 2.1% and 82.5 ± 3.9%, respectively). Diagnostic F1 scores varied for... Features extracted from diffusion tensor imaging of the whole brain can provide objective evidence for the diagnosis of healthy control, idiopathic Parkinson's disease, and Parkinson-plus syndromes wi...

Comparative Analysis of the Apparent Diffusion Coefficient and Diffusion Tensor Imaging in the Diagnosis of Prostate Cancer.

The aim of this work was to demonstrate capabilities of diffusion tensor imaging as a diagnostic tool for prostate cancer in comparison with the apparent diffusion coefficient.... 364 patients with suspected prostate cancer underwent multiparametric magnetic resonance imaging including diffusion tensor imaging.... The anatomical structure of the prostate obtained on T2-weighted imaging was compared with the apparent diffusion coefficient and diffusion tensor imaging maps. The rest of the gland (central and peri... Diffusion tensor imaging has the potential to identify prostate cancer with high accuracy and specificity. The combination of standard magnetic resonance imaging and diffusion tensor imaging can signi...

Role of diffusion tensor imaging in stenotic and non-stenotic spinal canal.

Cervical Spondylotic Myelopathy (CSM) is a gradually escalating spinal cord disturbance set in motion by the degenerative narrowing of the vertebral canal. Routine MRI may fail to detect the subtle ea... Sixty-four subjects who met the requirements of the inclusion criteria were incorporated into the investigation. All subjects underwent routine MRI sequences in addition to DTI of the cervical spine r... A noteworthy difference (p<0.05) was seen in the FA parameter and ADC parameter values between the stenotic and non-stenotic groups, with the non-stenotic group having a higher mean FA and a lower ADC... DTI parameters, namely FA and ADC, are sensitive to damage to the white matter and can be used to detect microstructural changes in the cord. However, standardization of the protocol is necessary when...

Intersession Repeatability of Diffusion-Tensor Imaging in the Supraspinatus and the Infraspinatus Muscles of Volunteers.

Quantifying the rotator cuff (RC) muscles' viscoelasticity could provide outcome relevant information in patients with RC tears. MR-elastography requires robust diffusion-tensor imaging (DTI) to accou... To assess the repeatability of DTI parameters in the supraspinatus and infraspinatus muscles and to explore DTI tractography conformity with the muscles' anatomy.... Prospective.... Six healthy volunteers underwent three consecutive shoulder MRI sessions about 10 minutes apart.... 3T/T1-vibe Dixon and Spin echo EPI DTI (12 gradient encoding directions, b-values 500 and 800 sec/mm... Supraspinatus and infraspinatus muscles were segmented on the T1-vibe Dixon sequence. DTI image quality was assessed using a quantitative threshold based on the signal-to-noise ratio (SNR). The eigenv... DTI parameters within-subject intersession repeatability was assessed with Bland-Altman analysis and the coefficient of variation (CV). Repeatability was considered good for CV < 10%.... The SNR between diffusion-weighted and non-diffusion-weighted images was greater than 3, which aligns with standards for estimating DTI parameters. The FA showed the lowest mean bias (-0.007; 95% conf... DTI of the supraspinatus and infraspinatus muscles achieved an adequate SNR, allowing the measurement of the DTI metrics with good repeatability, and thus can be used for optimizing stiffness estimati... 2 TECHNICAL EFFICACY: Stage 2....