11 results on '"ELECTROENCEPHALOGRAPHY"'
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2. Comprehensive Analysis of Extreme Learning Machine and Continuous Genetic Algorithm for Robust Classification of Epilepsy From EEG Signals
- Author
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Rajaguru, Harikumar, Prabhakar, Sunil Kumar, Rajaguru, Harikumar, and Prabhakar, Sunil Kumar
- Subjects
- Electroencephalography, Machine learning, Epilepsy, Biomedical engineering
- Abstract
Epilepsy is a common and diverse set of chronic neurological disorders characterized by seizures. It is a paroxysmal behavioral spell generally caused by an excessive disorderly discharge of cortical nerve cells of the brain. Epilepsy is marked by the term “epileptic seizures”. Epileptic seizures result from abnormal, excessive or hyper-synchronous neuronal activity in the brain. About 50 million people worldwide have epilepsy, and nearly 80% of epilepsy occurs in developing countries. The most common way to interfere with epilepsy is to analyse the EEG (electroencephalogram) signal which is a non-invasive, multi channel recording of the brain's electrical activity. It is also essential to classify the risk levels of epilepsy so that the diagnosis can be made easier. This study investigates the possibility of Extreme Learning Machine (ELM) and Continuous GA as a post classifier for detecting and classifying epilepsy of various risk levels from the EEG signals. Singular Value Decomposition (SVD), Principal Component Analysis (PCA) and Independent Component Analysis (ICA) are used for dimensionality reduction.
- Published
- 2017
3. EEG - Awake and Sleep EEG
- Author
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Arielle Crespel Philippe Gélisse and Arielle Crespel Philippe Gélisse
- Subjects
- Electroencephalography, Electroencephalography--Atlases
- Published
- 2016
4. Elektroencefalografické koreláty pohybového chování a výkonnostní zátěže
- Author
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Pánek, David and Pánek, David
- Subjects
- Stress (Physiology), Stress (Psychology), Electroencephalography, Motor cortex--Physiology
- Abstract
Tato práce se věnuje problematice vyhodnocení a interpretace změn elektrické aktivity mozku v průběhu prolongované fyzické aktivity. Práce představuje novou metodiku vyhodnocení intracerebrálních zdrojů mozkové aktivity pomocí sLORETA programu v kombinaci s metodami zátěžové fyziologie. Ukazuje na možnosti zobrazení mozkové aktivity, včetně hlubokých mozkových struktur, za současné monitorace aktuální metabolické úrovně. Tímto způsobem je možné hodnotit probíhající mozkové děje za aerobního a anaerobního metabolismu a dokonce poměrně citlivě předem dávkovat požadovanou fyzickou zátěž. Práce je rozdělena do tří částí. První se zabývá metodickou stránkou zpracování elektroencefalografického signálu pomocí programu sLORETA, a to včetně statistického zpracování a následného 3D zobrazení. Druhá část je rešeršní a věnuje se vztahům mezi mozkovou aktivitou a pohybem. Třetí část je experimentální a obsahuje studii zabývající se změnami mozkové aktivity v průběhu stupňovaného zátěžového testu na bicyklovém ergometru u skupiny 43 probandů zahrnujících vytrvalostní sportovce, vojáky a nesportovce. Výsledky ukazují na odlišné chování mezi probandy jednotlivých skupin, které odráží jejich emoční prožívání v průběhu pohybu a adaptabilitu na zvýšenou fyzickou zátěž. Metodika má uplatnění nejen ve sportovní a rehabilitační medicíně, ale umožňuje prohloubit studium vlivu fyzické aktivity na mozkovou činnost u celé řady neurologických a interních onemocnění.
- Published
- 2016
5. Electroencephalography 185 Success Secrets : 185 Most Asked Questions on Electroencephalography: What You Need to Know
- Author
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Bowers, Katherine and Bowers, Katherine
- Subjects
- Electroencephalography
- Abstract
There has never been a Electroencephalography Guide like this. It contains 185 answers, much more than you can imagine; comprehensive answers and extensive details and references, with insights that have never before been offered in print. Get the information you need--fast! This all-embracing guide offers a thorough view of key knowledge and detailed insight. This Guide introduces what you want to know about Electroencephalography. A quick look inside of some of the subjects covered: List of biologists - Ba-Bi, Neurologist - Overview, Medical imaging, Neural oscillation, Frontal lobe epilepsy, Rolandic epilepsy - Diagnosis, Event-related potential, Demyelinating disease - Diagnosis, Epileptic seizure - EEG, Comparison of consumer brain–computer interfaces - Technology, Neuropsychology - Methods and tools, Electrodes - Uses, Social neuroscience - Methods, Mindflex, Generalised epilepsy, Neurowear, Force Trainer, Neural synchronization, Biomarker - Medicine, Eric R. Braverman - Research and Funding, Polysomnography, Comparison of consumer brain–computer interfaces - Open-source projects, Neurotechnology - Cranial surface measurements, Brain–computer interface - Overview, Delta wave - Classification and features, Decision making - Cognitive and personal biases, Doctor of Medicine - India, Electroencephalography, Induced activity, P300 (Neuroscience) - P3a and P3b, Cognitive neuroscience - Cognitive neuroscience methods, Napoleon Cybulski, Sensorimotor rhythm - Meaning, Early left anterior negativity, Single-unit recording - History, José Manuel Rodriguez Delgado - Research, Biofeedback - EEG, Sensory neuroscience - Typical experiments, Bereitschaftspotential - Outcomes, Brain–computer interface - Partially invasive BCIs, Bipolar disorder - Diagnosis, Experimental psychology - Electroencephalograph (EEG), and much more...
- Published
- 2014
6. Atlas of EEG, Seizure Semiology, and Management
- Author
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Karl E. Misulis and Karl E. Misulis
- Subjects
- Electroencephalography, Central nervous system--Diseases, Diseases, Convulsions, Diagnosis, Methodology, Brain--Diseases, Convulsions--Atlases, Epilepsy--Atlases, Electroencephalography--Atlases, Epilepsy, Nervous system--Diseases, Electrodiagnosis, Neurologic manifestations of general diseases
- Abstract
Atlas of EEG, Seizure Semiology, & Management, Second Edition, is a richly-illustrated guide to the performance and interpretation of EEG and management of epilepsy. Revised and updated in its Second Edition, this new text features hundreds of detailed EEGs, and covers the science in extensive scope and detail, beginning with basic electronics and physiology and then moving through EEG interpretation, epilepsy diagnosis, and ultimately epilepsy management. The new edition also includes all basic classifications and definitions of seizures and epilepsy, making it the perfect clinical companion. Atlas of EEG, Seizure Semiology, & Management utilizes full-color EEG presentations, alongside an easy-to-read synthesis of anatomy, physiology, and available treatment modalities. These detailed explanations of wave pattern, presentation, and treatment provide the student and practitioner with the most informed sense of clinical application and readiness. Atlas of EEG, Seizure Semiology, & Management covers every type of seizure, both epileptic and non-epileptic and divided into eight concise chapters. This unique atlas is necessary reading for all practicing neurologists, fellows, and residents.
- Published
- 2013
7. Atlas of Electroencephalography in Sleep Medicine
- Author
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Hrayr P. Attarian, Nidhi S Undevia, Hrayr P. Attarian, and Nidhi S Undevia
- Subjects
- Sleep disorders, Electroencephalography, Polysomnography
- Abstract
Sleep Medicine is a field that attracts physicians from a variety of clinical backgrounds. As a result, the majority of sleep specialists who interpret sleep studies (PSG) do not have specialized training in neurophysiology and electroencephalography (EEG) interpretation. Given this and the fact that PSGs usually are run at a third of the speed of EEGs and that they usually have a limited array of electrodes, waveforms frequently appear different on the PSGs compared to the EEGs. This can lead to challenges interpreting certain unusual looking activity that may or may not be pathological. This Atlas of Electroencephalograpy in Sleep Medicine is extensively illustrated and provides an array of examples of normal waveforms commonly seen on PSG, in addition to normal variants, epileptiform and non-epileptiform abnormalities and common artifacts. This resource is divided into five main sections with a range of topics and chapters per section. The sections cover Normal Sleep Stages; Normal Variants; Epileptiform Abnormalities; Non-epileptiform Abnormalities; and Artifacts. Each example includes a brief description of each EEG together with its clinical significance, if any. Setting the book apart from others in the field is the following feature: Each EEG discussed consists of three views of the same page -- one at a full EEG montage with 30mm/sec paper speed, the same montage at 10mm/sec (PSG speed) and a third showing the same thing at 10 mm/sec, but with the abbreviated PSG montage. Unique and the first resource of its kind in sleep medicine, the Atlas of Electroencephalograpy in Sleep Medicine will greatly assist those physicians and sleep specialists who read PSGs to identify common and unusual waveforms onEEG as they may appear during a sleep study and serve as a reference for them in that capacity.
- Published
- 2012
8. The Clinical Neurophysiology Primer
- Author
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Andrew S. Blum, Seward B. Rutkove, Andrew S. Blum, and Seward B. Rutkove
- Subjects
- Electrophysiology, Nervous system--Diseases--Diagnosis, Electroencephalography, Electromyography, Neurophysiology
- Abstract
With the growth of combined clinical neurophysiology fellowship training programs and their corresponding “pan-physiology” board examinations, there has been an increased need for educational materials that span the range of clinical neurophysiology topics. The Clinical Neurophysiology Primer aims to meet this need by providing a broad and intentionally basic treatment of the most central topics within clinical neurophysiology. The Clinical Neurophysiology Primer initially took shape within the clinical neurophysiology sections at Beth Israel Deaconess Medical Center and Rhode Island Hospital, as an outgrowth of their fellowships'didactic lecture series. Faculty and trainees at these and affiliated teaching hospitals participate in a series of lectures over the course of the academic year designed to acquaint trainees with the elements of clinical neurophysiology, supplementing their clinical experiences. We hope that this primer will prove valuable to others as a companion book intended for clinical neurophysiology fellows and neurology residents, to be used in conjunction with such a program of lectures.
- Published
- 2007
9. Topographic Mapping of Brain Electrical Activity
- Author
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Frank H. Duffy and Frank H. Duffy
- Subjects
- Evoked potentials (Electrophysiology), Electroencephalography, Brain mapping
- Abstract
Topographic Mapping of Brain Electrical Activity presents the state of topographic mapping. It discusses its contributions to brain research. It addresses its research and clinical applications. It also explains completely the brain electrical activity mapping as a tool used in the diagnosis and treatment of neurological dysfunction Some of the topics covered in the book are the color imaging of scalp somatosensory evoked potential fields; visual evoked potential topography; spatial analysis of EEG and evoked potential data; intra-individual changes in EEG during mental performance; and changes in transversal coherence. The event-related desynchronization mapping of visualization of cortical activation patterns is fully covered. The spatiotemporal mapping display is discussed in detail. The text describes in depth the physical aspects of EEG data as a basis for topographic mapping. The human scalp field injection experiments are presented completely. A chapter is devoted to the classification strategies for topographic mapping data. Another section focuses on the topological factors. The book can provide useful information to radiologists, neurologists, students, and researchers.
- Published
- 1986
10. EEG and Evoked Potentials in Psychiatry and Behavioral Neurology
- Author
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John R. Hughes, William P. Wilson, John R. Hughes, and William P. Wilson
- Subjects
- Evoked potentials (Electrophysiology), Electroencephalography, Mental illness--Physiological aspects
- Abstract
EEG and Evoked Potentials in Psychiatry and Behavioral Neurology discusses the two techniques of examining brain function: electroencephalography (EEG) and evoked potentials. The book also addresses conditions that fall under the umbrella term''behavioral sciences''and are associated with psychiatry and neurology. The book begins by discussing current definitions of organic brain syndrome in order to delineate more clearly the processes whose EEG correlates are to be described. It then outlines the various EEG correlates of impaired central nervous system (CNS) dysfunction for a variety of specific organic etiologies. Separate chapters cover EEG studies of schizophrenia, affective disorders, alcoholism, mental retardation, childhood psychiatric disorders, and changes in CNS function caused by psychtropic drugs. The various aspects of EEG pertinent to electroconvulsive therapy are also discussed, including the role of a baseline EEG, beneficial and adverse changes, neurophysiologic mechanisms, and the nature of the seizures themselves. This book is intended for the neurologist dealing actively with psychiatric or mental disorders; the electroencephalographer who is generally concerned with behavioral neurology or especially interested in various controversial EEG patterns; and the psychiatrist interested in organicity in general or EEG in particular.
- Published
- 1983
11. EEG Technology
- Author
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R. Cooper, J. W. Osselton, J. C. Shaw, R. Cooper, J. W. Osselton, and J. C. Shaw
- Subjects
- Electroencephalography
- Abstract
EEG Technology provides information and advice related to electroencephalography (EEG). The objective and purpose of this book is to learn more about people given that a person's brain is the person, in sickness or in health. This book is organized into eight chapters. This second edition remains almost the same as the previous volume except for some additions in Chapter 1 and reorganization of some chapters. Chapter 4 was revised to reflect the changes in the design of EEG machines; Chapters 5 and 6 were expanded to include more factual description of EEG records; and Chapters 7 and 8 were expanded and extensively revised to reflect major advances in signal analysis procedures. This book will be of interest to people with studies on EEG and those in the medical profession.
- Published
- 1974
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