Academic literature on the topic 'Protonthérapie, Potentiels évoqués visuels'
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Journal articles on the topic "Protonthérapie, Potentiels évoqués visuels"
Rigaudière, F., and J. F. Le Gargasson. "Explorations électrophysiologiques sensorielles : électrorétinogramme, électro-oculogramme, potentiels évoqués visuels." EMC - Ophtalmologie 4, no. 1 (January 2007): 1–23. http://dx.doi.org/10.1016/s0246-0343(07)44448-3.
Full textGilles, C., O. de Buyl, C. Genevrois, M. Salama, and J. Mendlewicz. "Spécificité des altérations des potentiels évoqués visuels dans la maladie d'Alzheimer." Neurophysiologie Clinique/Clinical Neurophysiology 21, no. 5-6 (December 1991): 425–37. http://dx.doi.org/10.1016/s0987-7053(05)80333-8.
Full textBeby, F., H. Masset, O. Roche, C. Burillon, and P. Denis. "095 Potentiels évoqués visuels chez les enfants porteurs de colobome du nerf optique." Journal Français d'Ophtalmologie 31 (April 2008): 43. http://dx.doi.org/10.1016/s0181-5512(08)70691-0.
Full textRuberto, G., C. Redaelli, S. Cataldo, M. Bazzigaluppi, C. Bertone, A. Bianchi, M. Imparato, F. Strano, P. E. Bianchi, and C. Tinelli. "Évolution comparée des potentiels évoqués visuels chez des enfants nés à terme et prématurément." Journal Français d'Ophtalmologie 27, no. 9 (November 2004): 1031–38. http://dx.doi.org/10.1016/s0181-5512(04)96260-2.
Full textChéliout-Héraut, F., MC Durand, E. Desterbecq, O. Dizien, and J. de Lattre. "Apport des potentiels évoqués visuels, auditifs et somesthésiques dans le diagnostic d'une carence en vitamine B12." Neurophysiologie Clinique/Clinical Neurophysiology 27, no. 1 (January 1997): 59–65. http://dx.doi.org/10.1016/s0987-7053(97)89870-x.
Full textGhariani, Ahmed, Saloua Mrabet, Amira Souissi, Mariem Dammak, Imen Kacem, Chokri Mhiri, and Riadh Gouider. "Intérêt des potentiels évoqués visuels dans l’évaluation de l’efficacité du traitement de de deuxième en ligne de la Sclérose en Plaques." Revue Neurologique 176 (September 2020): S53—S54. http://dx.doi.org/10.1016/j.neurol.2020.01.176.
Full textDerkowski, Wojciech, and Piotr Derkowski. "Signification clinique des potentiels évoqués visuels, en particulier de l’onde P300, pour le diagnostic différentiel de la maladie de Parkinson et de la maladie d’Alzheimer." Revue Neurologique 175 (April 2019): S7. http://dx.doi.org/10.1016/j.neurol.2019.01.048.
Full textSaint-Amour, D., M. S. Roy, C. Bastien, E. Dewailly, P. Ayotte, C. Despres, and G. Muckle. "A39 - Évaluation du traitement de l’information sensorielle chez les enfants Inuit exposés au mercure (HG) et aux biphényles polychlorés (BPCS) à l’aide des potentiels évoqués visuels." Revue d'Épidémiologie et de Santé Publique 53, no. 4 (September 2005): 467. http://dx.doi.org/10.1016/s0398-7620(05)84715-7.
Full textDonat, A., L. Guilloton, C. Bonnet, G. Depreux, J. L. Lamboley, and A. Drouet. "Crises partielles à point de départ visuel compliquant une hyperglycémie sans cétose : IRM et potentiels évoqués visuels ; étude de deux cas avec anomalies radiologiques et électrophysiologiques." Revue Neurologique 169, no. 2 (February 2013): 154–61. http://dx.doi.org/10.1016/j.neurol.2012.05.015.
Full textDissertations / Theses on the topic "Protonthérapie, Potentiels évoqués visuels"
Azemar, Nathan. "Μοdélisatiοn des tοxicités οptiques induites par radiοthérapie avec faisceaux de prοtοns." Electronic Thesis or Diss., Normandie, 2024. https://theses.hal.science/tel-04947852.
Full textProton therapy, with its ability to deliver high doses to tumors while sparing healthy tissues, is a preferred therapeutic option for treating tumors located near optical structures. However, radiation exposure can damage visual pathways, leading to severe visual deficits. This thesis aims to model the optical toxicities induced by proton therapy in patients treated for head and neck tumors. This work is based on the analysis of dosimetric and paraclinical data collected from 223 patients treated with proton therapy at the Centre François Baclesse and monitored at the University Hospital of Caen. A multicenter database was created, including dosimetry data as well as paraclinical examination results (visual field tests, optical coherence tomography, and visual evoked potentials). A relational model was developed to establish a link between visual field outcomes and the dose received by visual organs. This modeling highlighted challenges in associating visual field points with optical pathway structures, due to the small size of these structures, segmentation uncertainties, and patient movements. Consequently, a data reduction and uncertainty evaluation were performed. These analyses revealed the immediate effects of treatment on paraclinical examinations, as well as their progression over time. This work paves the way for the use of geometric and statistical models to predict visual complications, thus optimizing patient care
Pierret, Anne. "Les potentiels évoqués visuels appliqués à l'étude de l'imagerie mentale chez l'homme." Lyon 1, 1994. http://www.theses.fr/1994LYO1T214.
Full textGong, Ning. "Contribution à la caractérisation et à la classification des potentiels évoqués visuels." Compiègne, 1995. http://www.theses.fr/1995COMPD856.
Full textBouattoura, Djaaffar. "Contribution à l'extraction, la cartographie et la classification des potentiels évoqués visuels." Compiègne, 1997. http://www.theses.fr/1997COMP1019.
Full textChakroun, Hichem. "Etude des potentiels évoqués visuels et des processus attentionnels chez les déprimés." Aix-Marseille 2, 1986. http://www.theses.fr/1986AIX22027.
Full textCabon, Maelenn. "Nouvelle méthode de traitement des potentiels évoqués visuels pour l’estimation de l’acuité visuelle chez le jeune enfant." Thesis, Ecole centrale de Lille, 2016. http://www.theses.fr/2016ECLI0007.
Full textSweep VEP (visual evoked potentials) is known to be a valuable exam to estimate visual acuity (VA) in infants because of its objectivity and its rapidity. Nevertheless, several studies have pointed out the variability of the responses and sometimes attenuations at some spatial frequencies called “notches”. In this thesis, we demonstrate a relationship between the phase of the signal and these attenuations when the short-time discrete Fourier transform (STDFT) is used. We introduce a new method of signal processing which takes in account the phase shifting, based on stationary discrete wavelet transform (SDWT) for the denoising and on extended Kalman filtering (EKF) for the estimation of the visual system response. The new method is tested on two sets of exams. The first one comes from the CHRU of Lille and the second one from our laboratory. The SDWT improves the signal to noise ratio on average by 10.9 dB (CI95 [6.3,15.6]) and reduces artefacts caused by blinking or eyes movements. Thanks to the EKF, the estimation of the response of the visual system is more precise. By taking into account the phase of the signal, the shape of the reponse presentsless variations. The dispersion among the sweeps is divided by 1.4 compared to the DSTFT. The correlation between ETDRS VA and the VA estimation of the new method (Spearman’s correlation= 0.64, p-value=6 10-4, root mean squared error (RMSE)=0.34 logMAR) is better than that of the current method (Spearman’s correlation=0.58, p-value=1.1 10-3, RMSE=0.45 logMAR)
Rondeau, Mac Leod Annie. "Potentiels évoqués cognitifs et processus attentionnels visuels : fluctuations au cours du nycthemere avec maintien d'éveil : régulation homeostasique et chronobiologique." Bordeaux 2, 2006. http://www.theses.fr/2006BOR21415.
Full textThe main of this study is to test the variability of visual evoked potentials during 24 hours. The present investigation utilized the evoked potentials specially the P300 component of the visual evoked potentials as an index of information processing (discrimination) for selective attention. Visually evoked potentials were recorded to target and non-target stimuli during 27 hours without sleep. Time of day, repeated testing on the P300 component amplitude and latency, tympanic temperature, subjective scales, are investigated. Subjects (experimental group N=9, control group N=9) were tested using a standard oddball paradigm. The results indicate that time of day on repeated testing, affect P300 amplitude and topography. Amplitude of P300 was significantly higher in Fz. This change due to time of day may reflect circadian and/or homeostatic variations in cognitive resources indexed by the P300 component, while decrements repeated testing may reflect changes in allocation of resources across hours
Cheruy, Pascale. "Étude de modèles de potentiels évoqués visuels en vue de la détection et de la classification des réponses en temps réel." Compiègne, 1990. http://www.theses.fr/1990COMPD256.
Full textA method is presented for single sweep analysis. It aims at increasing the average signal to noise ratio. A bibliographic study first describes different experimental protocols and classical signal processing including averaging, Wiener filter, and latency corrected averaging and adaptative filter. Three different models are tested : autoregressive model, kalman filtering and an original model based on Gaussian curves. A discriminant factor analysis is achieved using parameters derived from the three different models in order to separate a class of synthetic signals from a class of noise (EEG). A discriminant vector is calculated and used to classify single sweeps from different subjects. The selected averaging shows an increasing of the signal to noise ratio for every tested subject specially for the method based on Gaussian curves
Jobert, Marc. "Filtrage adapté : application à l'étude des potentiels évoqués visuels et à la détection des signaux caractéristiques du stade 2 de l'EEG du sommeil." Compiègne, 1989. http://www.theses.fr/1989COMPD283.
Full textNguyen, Thien Huong. "Amblyopie fonctionnelle après traitement : étude clinique, électrophysiologique et en I.R.M., par imagerie en tenseur de diffusion des voies optiques rétrochiasmatiques et imagerie fonctionnelle de la réponse corticale et de la rivalité binoculaire." Paris 6, 2005. http://www.theses.fr/2005PA066449.
Full textBooks on the topic "Protonthérapie, Potentiels évoqués visuels"
Chakroun, Hichem. Etude des potentiels évoqués visuels et des processus attentionnels chez les déprimés. 1986.
Find full textHeckenlively, John R., and Geoffrey B. Arden. Principles and Practice of Clinical Electrophysiology of Vision. MIT Press, 2006.
Find full textHeckenlively, John R., and Geoffrey B. Arden. Principles and Practice of Clinical Electrophysiology of Vision. MIT Press, 2006.
Find full textHeckenlively, John R., and Geoffrey B. Arden. Principles and Practice of Clinical Electrophysiology of Vision. MIT Press, 2006.
Find full text(Editor), John R. Heckenlively, and Geoffrey B. Arden (Editor), eds. Principles and Practice of Clinical Electrophysiology of Vision, 2nd Edition. 2nd ed. The MIT Press, 2006.
Find full text(Editor), Arne Valberg, and Barry B. Lee (Editor), eds. From Pigments to Perception:: Advances in Understanding the Visual Process (Nato Science Series: A:). Springer, 1991.
Find full textBook chapters on the topic "Protonthérapie, Potentiels évoqués visuels"
Rigaudière, Florence. "V-5 : Les POTENTIELS ÉVOQUÉS VISUELS corticaux (PEV)." In OEIL ET PHYSIOLOGIE DE LA VISION. Rigaudiere(Florence), 2010. http://dx.doi.org/10.4267/oeiletphysiologiedelavision.120.
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