Letteratura scientifica selezionata sul tema "High Frequency Oscillations (HFO)"
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Articoli di riviste sul tema "High Frequency Oscillations (HFO)"
Jacobs, Julia, Joyce Y. Wu, Piero Perucca, Rina Zelmann, Malenka Mader, Francois Dubeau, Gary W. Mathern, Andreas Schulze-Bonhage e Jean Gotman. "Removing high-frequency oscillations". Neurology 91, n. 11 (17 agosto 2018): e1040-e1052. http://dx.doi.org/10.1212/wnl.0000000000006158.
Testo completoChen, Zhuying, Matias I. Maturana, Anthony N. Burkitt, Mark J. Cook e David B. Grayden. "High-Frequency Oscillations in Epilepsy". Neurology 96, n. 9 (6 gennaio 2021): 439–48. http://dx.doi.org/10.1212/wnl.0000000000011465.
Testo completoMatsumoto, Andrew, Benjamin H. Brinkmann, S. Matthew Stead, Joseph Matsumoto, Michal T. Kucewicz, W. Richard Marsh, Frederic Meyer e Gregory Worrell. "Pathological and physiological high-frequency oscillations in focal human epilepsy". Journal of Neurophysiology 110, n. 8 (15 ottobre 2013): 1958–64. http://dx.doi.org/10.1152/jn.00341.2013.
Testo completoDeWeese, E. L., T. Y. Sullivan e P. L. Yu. "Ventilatory response to high-frequency airway oscillation in humans". Journal of Applied Physiology 58, n. 4 (1 aprile 1985): 1099–106. http://dx.doi.org/10.1152/jappl.1985.58.4.1099.
Testo completoFreitag, L., W. M. Long, C. S. Kim e A. Wanner. "Removal of excessive bronchial secretions by asymmetric high-frequency oscillations". Journal of Applied Physiology 67, n. 2 (1 agosto 1989): 614–19. http://dx.doi.org/10.1152/jappl.1989.67.2.614.
Testo completoPearce, Allison, Drausin Wulsin, Justin A. Blanco, Abba Krieger, Brian Litt e William C. Stacey. "Temporal changes of neocortical high-frequency oscillations in epilepsy". Journal of Neurophysiology 110, n. 5 (1 settembre 2013): 1167–79. http://dx.doi.org/10.1152/jn.01009.2012.
Testo completoWard, H. E., J. Armengol e R. L. Jones. "Ventilation by external high-frequency oscillation in cats". Journal of Applied Physiology 58, n. 4 (1 aprile 1985): 1390–99. http://dx.doi.org/10.1152/jappl.1985.58.4.1390.
Testo completoMochizuki, Hitoshi, e Yoshikazu Ugawa. "High-Frequency Oscillations in Somatosensory System". Clinical EEG and Neuroscience 36, n. 4 (ottobre 2005): 278–84. http://dx.doi.org/10.1177/155005940503600407.
Testo completoPlenz, D., e S. T. Kitai. "Generation of high-frequency oscillations in local circuits of rat somatosensory cortex cultures". Journal of Neurophysiology 76, n. 6 (1 dicembre 1996): 4180–84. http://dx.doi.org/10.1152/jn.1996.76.6.4180.
Testo completoSpampanato, Jay, e Istvan Mody. "Spike Timing of Lacunosom-Moleculare Targeting Interneurons and CA3 Pyramidal Cells During High-Frequency Network Oscillations In Vitro". Journal of Neurophysiology 98, n. 1 (luglio 2007): 96–104. http://dx.doi.org/10.1152/jn.00188.2007.
Testo completoTesi sul tema "High Frequency Oscillations (HFO)"
Zachrisson, Love. "HIGH-FREQUENCY OSCILLATIONS IN A MOUSE MODEL OF PARKINSON’S DISEASE". Thesis, Umeå universitet, Institutionen för psykologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-172265.
Testo completoDopaminbehandling är den mest förekommande metoden för att behandla Parkinsons sjukdom men detta orsakar dessvärre en bieffekt i form av gradvis förvärrande ofrivilliga rörelser. Detta beteendemönster kallas för Levodopa-Inducerad-Dyskinesi (LID) och med hjälp av elektrodimplantat i hjärnan, på parkinsonpatienter och djurmodeller av parkinsons, har man kunnat se att beteendet är förknippat med högfrekventa oscilleringar (HFO) av hjärnaktivitet i motorcortex och basala ganglierna. Trots försök att kartlägga om dessa högfrekventa oscilleringar också är närvarande i den populära 6-OHDA musmodellen av Parkinsons sjukdom, så har man hittills inte lyckats demonstrera detta. Genom att bygga och implantera ett elektrodimplantat med 64 kanaler i en ensidigt-leisonerad 6-OHDA musmodell av Parkinsons sjukdom så kunde vi åskådliggöra HFO i motor cortex, basala ganglierna och thalamus i den lesionerade hjärnhalvan under LID. Vi kunde också påvisa HFO som sträckte sig över till den intakta hjärnhalvan, med frekvenser över 100 Hz. Denna forskning ger stöd att 6-OHDA modellen för Parkinsons i möss är valid och ger möjlighet till nya metoder att utforska och behandla Parkinsons, dyskinesi och andra neurologiska åkommor. Studien lägger också grunden för framtida studier som ämnar att undersöka föreslagna mekanismer bakom sättet populationer av neuroner bearbetar information.
ingår i ett projekt finansierat av Vetenskapsrådet #2018-02717
Sag, Yusuf Ugur [Verfasser], Julia [Akademischer Betreuer] Jacobs-LeVan e Kerstin Alexandra [Akademischer Betreuer] Klotz. "High frequency oscillations (HFO) als Biomarker zur Prädiktion der Entstehung einer Epilepsie nach erstem unprovoziertem Anfall im Kindesalter". Freiburg : Universität, 2020. http://d-nb.info/1227839561/34.
Testo completoMacíčková, Magda. "Klasifikace vysokofrekvenčních oscilací v intrakraniálním EEG". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-401034.
Testo completoAlvarado-Rojas, Catalina. "Multilevel approach to high-frequency oscillations (HFOs) in human epileptic networks". Paris 6, 2013. http://www.theses.fr/2013PA066452.
Testo completoEpilepsy is a dynamical disease reflecting abnormal activity of neuronal networks. The interictal period (between seizures), is characterized by transient hypersynchronous excitability emerging as interictal discharges and high frequency oscillations (HFOs >40Hz). During my thesis, a multi-level approach was performed, in order to investigate the mechanisms of HFO generation and their temporal relation with seizures. A first study consisted on the exploration of cellular correlates underlying HFOs (~200 Hz) in epileptic slices of human hippocampus. Two different cellular mechanisms were observed, highlighting the heterogeneity of underlying cellular behaviors. In a second study using intracranial microelectrodes during presurgical evaluation of patients, we recorded simultaneously LFP and multi-unit activity. Interictal discharges were preceded by HFOs (40-120Hz) in 50% of cases, both associated to heterogeneous neuronal firing. A final study was performed to investigate the dynamics of HFOs in relation to seizures. From long-term intracranial recordings, we studied the modulation of gamma (40-140Hz) by slower rhythms (theta/delta) before the seizure onset. We showed that a perturbation of this coupling occurs several minutes before the seizure onset for a significant number of patients (13%). We conclude that HFOs in epileptic networks can be generated by different mechanisms, are associated to a heterogeneous cellular firing, and are modulated in a different way during the preictal period. Hence, their study is important for a better understanding of the mechanisms of seizure generation
Kuo, Chia-Hung. "THE ANALYSIS OF HIGH FREQUENCY OSCILLATIONS AND SUPPRESSION IN EPILEPTIC SEIZURE DATA". Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1396411237.
Testo completoMilon-Harnois, Gaëlle. "Détection automatique et analyse des oscillations à haute fréquence en EEG-HD de surface". Electronic Thesis or Diss., Angers, 2023. http://www.theses.fr/2023ANGE0054.
Testo completoConditions of a third of epileptics are not improved with current treatments, pushing doctors to consider surgery to remove the brain area generating seizures. High Frequency Oscillations (HFO) are emerging as a biomarker to localize these epileptogenic zones, but their detection is difficult due to their rarity and brevity. In scalp EEG the low amplitude of the signal complicates the task. This thesis aims to automate the detection of HFO in EEG-HD signals recorded at 1 KHz on 256 electrodes in 5 pediatric patients. After visual marking of HFO, classification models between HFO and background noise were explored. Signal processing knowledge has been exploited to extract features from time or frequency domain. The most statistically relevant features were selected and submitted to classic supervised algorithms (Logistic regression, random forest, MLP, gradient boosting). These methods were compared to deep algorithms (CNN, LSTM, Attention) automatically generating signal characteristics in the 1D time domain or those of 2D time-frequency maps. All models show convincing results, with the deep 1D algorithms being more efficient reaching 91% sensitivity and 87% specificity, outperforming previously published surface HFO detectors. Running the best models on the entire signal to automatically detect HFO showed promising results but this part of the work remains to be improved to overcome the HFO rarity in the data. Several lines of research are suggested
Bougacha, Salma. "High frequency oscillations in bounded elastic media". Thesis, Evry-Val d'Essonne, 2010. http://www.theses.fr/2010EVRY0047/document.
Testo completoThis thesis is devoted to the study of the high frequency Dirichlet and Neumann problems for the elasticity system. We study the reflection phenomenon at the boundary by means of two techniques: Gaussian beams summation and Wigner measures. In chapters 1 and 2, we start by studying the simpler problem of the scalar wave equation with one speed. Under some hypotheses on the initial conditions, we build an approximate solution by a Gaussian beams superposition. Justification of the asymptotics is based on norms estimate of some integral operators with complex phases. For more general initial conditions, we use Wigner measures to compute the microlocal energy density. We compute Wigner transforms of Gaussian beams integrals in an explicit way. The behaviour of the microlocal energy density for the exact solution is deduced from the one for the approximate solution. In chapter 3, we use the established results on infinite sums of Gaussian beams to build an approximate solution for the elasticity equations and to compute its microlocal energy density. We treat new difficulties arising from the existence of two different speeds in the elasticity system
Ljungberg, Stefan. "High Frequency Oscillations at an Electric Double Layer". Thesis, KTH, Rymd- och plasmafysik, 1995. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91579.
Testo completoGaskell, J. "High-frequency oscillations in graphene resonant tunnelling heterostructures". Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/33694/.
Testo completoWestner, Britta [Verfasser]. "High frequency oscillations in healthy brain functions / Britta Westner". Konstanz : Bibliothek der Universität Konstanz, 2017. http://d-nb.info/1140736612/34.
Testo completoLibri sul tema "High Frequency Oscillations (HFO)"
United States. National Aeronautics and Space Administration., a cura di. The detection and characterization of high frequency and high wavenumber solar oscillations. [Washington, DC: National Aeronautics and Space Administration, 1992.
Cerca il testo completoFernandes, David Neil. The detection and characterization of high frequency and high wavenumber solar oscillations. Springfield, Va: Available from the National Technical Information Service, 1992.
Cerca il testo completoCuartero, Mireia, e Niall D. Ferguson. High-frequency ventilation and oscillation. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0098.
Testo completoSimenson, Oscar. Chaffee Arc and High Frequency Oscillations. Creative Media Partners, LLC, 2018.
Cerca il testo completoGotman, Jean, e Nathan E. Crone. High-Frequency EEG Activity. A cura di Donald L. Schomer e Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0033.
Testo completoSarnthein, Johannes, Julia Jacobs e Maeike Zijlmans, a cura di. High-Frequency Oscillations in the Hippocampus as Biomarkers of Pathology and Healthy Brain Function. Frontiers Media SA, 2021. http://dx.doi.org/10.3389/978-2-88971-689-0.
Testo completoSeeck, Margitta, e Donald L. Schomer. Intracranial EEG Monitoring. A cura di Donald L. Schomer e Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0029.
Testo completoBrandeis, Daniel, Sandra K. Loo, Grainne McLoughlin, Hartmut Heinrich e Tobias Banaschewski. Neurophysiology. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198739258.003.0009.
Testo completoMauguière, François, e Luis Garcia-Larrea. Somatosensory and Pain Evoked Potentials. A cura di Donald L. Schomer e Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0043.
Testo completoCapitoli di libri sul tema "High Frequency Oscillations (HFO)"
Harr, Jeffrey N., Philip F. Stahel, Phillip D. Levy, Antoine Vieillard-Baron, Yang Xue, Muhammad N. Iqbal, Jeffrey Chan et al. "High-Frequency Oscillation (HFO)". In Encyclopedia of Intensive Care Medicine, 1114. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-00418-6_1700.
Testo completoSadek, Zayneb, Abir Hadriche e Nawel Jmail. "Clustering of High Frequency Oscillations HFO in Epilepsy Using Pretrained Neural Networks". In Intelligent Systems Design and Applications, 100–107. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35501-1_10.
Testo completoRossi, A., T. E. Stewart e V. M. Ranieri. "High Frequency Oscillation (HFO): Physiological Basis for a Potentially ‘Optimal’ Protective Ventilatory Strategy". In Intensive Care Medicine, 288–94. New York, NY: Springer New York, 2003. http://dx.doi.org/10.1007/978-1-4757-5548-0_28.
Testo completoGuesmi, Thouraya, Abir Hadriche e Nawel Jmail. "Effective Connectivity of High-Frequency Oscillations (HFOs) Using Different Source Localization Techniques". In Intelligent Systems Design and Applications, 377–84. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35507-3_36.
Testo completoGuesmi, Thouraya, Abir Hadriche, Nawel Jmail e Chokri Ben Amar. "Evaluation of Stationary Wavelet Transforms in Reconstruction of Pure High Frequency Oscillations (HFOs)". In Lecture Notes in Computer Science, 357–63. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51517-1_32.
Testo completoJoly, J. L., e J. Rauch. "High Frequency Similinear Oscillations". In Mathematical Sciences Research Institute Publications, 202–16. New York, NY: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-9583-6_7.
Testo completoJefferies, Stuart M. "High-Frequency Solar Oscillations". In New Eyes to See Inside the Sun and Stars, 415–22. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4982-2_93.
Testo completoGues, Olivier. "Viscous Boundary Layers and High Frequency Oscillations". In Singularities and Oscillations, 61–77. New York, NY: Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-1972-9_4.
Testo completoArévalo, M. J., J. E. Solheim e C. Lázaro. "High frequency oscillations in SS CYGNI". In White Dwarfs, 462–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/3-540-51031-1_369.
Testo completoWatts, Anna L., e Tod E. Strohmayer. "High frequency oscillations during magnetar flares". In Isolated Neutron Stars: From the Surface to the Interior, 625–29. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-5998-8_87.
Testo completoAtti di convegni sul tema "High Frequency Oscillations (HFO)"
Adhikari, NK, ND Ferguson, S. Mehta, A. Freitag, JO Friedrich, JT Granton, Q. Zhou, TE Stewart e MO Meade. "Current High Frequency Oscillation (HFO) Utilization in Ontario." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a3072.
Testo completoHand, L., F. Lamontagne, N. Ferguson, A. Bashir, K. Czarnecka, D. Lichty, N. Adhikari, D. Cook e M. Meade. "Changes in Respiratory Variables upon Initiation of High Frequency Oscillation (HFO)." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a3821.
Testo completoChaibi, Sahbi, Chahira Mahjoub, Fatma Krikid, Ahmad Karfoul, Regine Le Bouquin Jeannes e Abdennaceur Kachouri. "Pitfalls of spikes filtering for detecting High Frequency Oscillations (HFOs)". In 2021 18th International Multi-Conference on Systems, Signals & Devices (SSD). IEEE, 2021. http://dx.doi.org/10.1109/ssd52085.2021.9429411.
Testo completoMacedo, D. R., G. M. Silva, A. P. Fortes, G. P. de Sa, J. V. Borges, M. Campos, T. S. Rodrigues e J. B. Destro Filho. "High-frequency oscillations (HFOs) in electroencephalography: Review and case study". In 2013 ISSNIP Biosignals and Biorobotics Conference: Biosignals and Robotics for Better and Safer Living (BRC). IEEE, 2013. http://dx.doi.org/10.1109/brc.2013.6487546.
Testo completoSpencer, Reed W., John A. Bomidi e Xu Huang. "Drill Bit Design Features that Initiate and Reduce High Frequency Torsional Oscillations". In SPE/IADC International Drilling Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204102-ms.
Testo completoHohl, A., A. Kueck, V. Kulke e K. Glowatzki. "The Nature of the Interaction Between Bit-Whirl and High-Frequency Torsional Oscillations". In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23989-ms.
Testo completoArmin, Kueck, Everhard Eliah, Huang Xu, Valbuena Franklin, Reckmann Hanno e Bomidi John. "Qualifying Bit Influence on High-Frequency Torsional Oscillations Based on Full-Scale Laboratory Experiments". In SPE/IADC International Drilling Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212566-ms.
Testo completoSimozo, Fabrício Henrique, João Batista Destro Filho e Luiz Otávio Murta Junior. "Detrended-Fluctuation-Analysis (DFA) and High-Frequency-Oscillation (HFO) Coefficients and Their Relationship to Epileptic Seizures". In International Congress on Neurotechnology, Electronics and Informatics. SCITEPRESS - Science and and Technology Publications, 2014. http://dx.doi.org/10.5220/0005095000990105.
Testo completoWilson, J. K., G. Heisig e C. Freyer. "HFTO Solved: Proven Mitigation of High Frequency Torsional Oscillations in Motor-Assisted Rotary Steerable Applications". In IADC/SPE International Drilling Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/208739-ms.
Testo completoManilal, P. I., e A. M. Al-Jumaily. "Interaction of Neonates With a Bubble Oscillation System". In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84331.
Testo completoRapporti di organizzazioni sul tema "High Frequency Oscillations (HFO)"
Lyo, Sungkwun Kenneth, Wei Pan, John Louis Reno, Joel Robert Wendt e Daniel Lee Barton. LDRD final report on Bloch Oscillations in two-dimensional nanostructure arrays for high frequency applications. Office of Scientific and Technical Information (OSTI), settembre 2008. http://dx.doi.org/10.2172/948689.
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