Expanding The Reach Of Electrocorticographic Brain Computer Interfaces
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Expanding The Reach Of Electrocorticographic Brain Computer Interfaces
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Author : Devapratim Sarma
language : en
Publisher:
Release Date : 2017
Expanding The Reach Of Electrocorticographic Brain Computer Interfaces written by Devapratim Sarma and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Brain-computer interface (BCI) technologies have traditionally been designed under the assumption that BCI users are patients who no longer exhibit any significant motor control abilities, due in part to deficits resulting from neuromuscular disease. Of particular interest is the activity that occurs in motor related areas of the brain during precise, dexterous movements of the hand. Previous studies of the central and peripheral motor nervous systems suggest the presence of synergistic activations of musculoskeletal groups during coordinated movement, however the existing clinical technology has not been sufficient for accurate exploration. Among the many features of the cortical response measured by electrocorticography (ECoG), we find that high gamma (75-200Hz) activity in primary motor cortex shows high spatial preference for individual digit movements during overt finger flexions. In contrast, the average spatial activity during object grasping appears to show little unique spatial organization relative to the grasps performed. To investigate this discrepancy, we explore the difference of spatial distribution of activity during dexterous hand movement between traditional (10mm-spacing) and high resolution (3mm) ECoG grids. We find that the informational density present at the higher scale underscores the potential of synergistic dimensionality reduction as a possible model of prosthetic control. Complicating the gains from resolution, however, is the remnant hand motor function present in a large population of patients interacting with BCIs. This presents a challenge for real-world implementation of these systems for therapy and rehabilitation. Thus, an important question that had yet to be systematically studied within the BCI control architecture is: can subjects use BCIs simultaneously coordinated with overt motor activity? We explored this question by testing if patients could effectively learn to perform and coordinate bimanual control. Patients implanted with ECoG electrodes were trained to interact with a 2-D BCI center-out cursor task in which one dimension of control was modulated by neural activation related to motor imagery and the other dimension was controlled by overt natural movement. Over the course of multiple sessions and days, the subjects gained levels of proficiency and demonstrated accurate control. In addition, this system was implemented for a test case subject with lifelong hemiparesis and significantly impaired bilateral motor abilities brought on by a perinatal stroke. Especially in the stroke case, the subject demonstrated significant proficiency and accurate control, despite confounding ipsilateral and contralateral neural activations. As control improved, activation patterns changed across related cortical areas but without any significant observable changes in the overt motor behavior. In gestalt, this work provides steps and a framework towards adapting ECoG-based BCIs for patients with similar cortical deficits for the purpose of dexterous coordinated hand control.
Electrocorticographic Brain Computer Interfaces
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Author : Mikhail Lebedev
language : en
Publisher: Frontiers Media SA
Release Date : 2022-02-22
Electrocorticographic Brain Computer Interfaces written by Mikhail Lebedev and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-22 with Science categories.
Topic Editor Christoph Guger is the CEO of Guger Technologies. All other topic editors declare no competing interests with regards to the Research Topic subject.
Brain Computer Interfacing
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Author : Rajesh P. N. Rao
language : en
Publisher: Cambridge University Press
Release Date : 2013-09-30
Brain Computer Interfacing written by Rajesh P. N. Rao and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-30 with Computers categories.
The idea of interfacing minds with machines has long captured the human imagination. Recent advances in neuroscience and engineering are making this a reality, opening the door to restoration and augmentation of human physical and mental capabilities. Medical applications such as cochlear implants for the deaf and neurally controlled prosthetic limbs for the paralyzed are becoming almost commonplace. Brain-computer interfaces (BCIs) are also increasingly being used in security, lie detection, alertness monitoring, telepresence, gaming, education, art, and human augmentation. This introduction to the field is designed as a textbook for upper-level undergraduate and first-year graduate courses in neural engineering or brain-computer interfacing for students from a wide range of disciplines. It can also be used for self-study and as a reference by neuroscientists, computer scientists, engineers, and medical practitioners. Key features include questions and exercises in each chapter and a supporting website.
Expanding Senses Using Neurotechnology
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Author : Ujwal Chaudhary
language : en
Publisher: Springer Nature
Release Date : 2025-02-18
Expanding Senses Using Neurotechnology written by Ujwal Chaudhary and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-18 with Science categories.
This book is an essential guide for students, researchers, and professionals in the interdisciplinary field of neurotechnology. This comprehensive volume delves into the intricate world of brain signal acquisition, exploring both invasive and non-invasive techniques like EEG, fNIRS, fMRI, and DBS. Through case studies, including groundbreaking communication systems for ALS patients and neurofeedback mechanisms, readers will learn how theoretical concepts are transformed into life-changing technologies. The book traces the historical milestones of neurotechnology and discusses the latest advancements in brain signal processing and neurostimulation techniques. Readers will gain an understanding of how machine learning models enhance neurotechnology applications and how ethical considerations shape the future of this rapidly evolving field. This book offers invaluable insights into the tools, techniques, and applications that are revolutionizing the way we understand and interact with the human brain. Join us on a journey through the past, present, and future of neurotechnology, and discover how this fascinating field is poised to transform healthcare, enhance human capabilities, and improve the quality of life for millions worldwide. This book contains 120 questions and answers: Download the Springer Nature Flashcards App free of charge and use exclusive additional material to test your knowledge.
Textbook Of Neural Repair And Rehabilitation
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Author : Michael E. Selzer
language : en
Publisher: Cambridge University Press
Release Date : 2014
Textbook Of Neural Repair And Rehabilitation written by Michael E. Selzer and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Nervous system categories.
In two freestanding volumes, the Textbook of Neural Repair and Rehabilitation provides comprehensive coverage of the science and practice of neurological rehabilitation. Revised throughout, bringing the book fully up to date, this volume, Neural Repair and Plasticity, covers the basic sciences relevant to recovery of function following injury to the nervous system, reviewing anatomical and physiological plasticity in the normal central nervous system, mechanisms of neuronal death, axonal regeneration, stem cell biology, and research strategies targeted at axon regeneration and neuron replacement. New chapters have been added covering pathophysiology and plasticity in cerebral palsy, stem cell therapies for brain disorders and neurotrophin repair of spinal cord damage, along with numerous others. Edited and written by leading international authorities, it is an essential resource for neuroscientists and provides a foundation for the work of clinical rehabilitation professionals.
Methods For Neural Ensemble Recordings
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Author : Miguel A. L. Nicolelis
language : en
Publisher: CRC Press
Release Date : 2007-12-03
Methods For Neural Ensemble Recordings written by Miguel A. L. Nicolelis and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-03 with Medical categories.
Extensively updated and expanded, this second edition of a bestseller distills the current state-of-the-science and provides the nuts and bolts foundation of the methods involved in this rapidly growing science. With contributions from pioneering researchers, it includes microwire array design for chronic neural recordings, new surgical techniques for chronic implantation, microelectrode microstimulation of brain tissue, multielectrode recordings in the somatosensory system and during learning, as well as recordings from the central gustatory-reward pathways. It explores the use of Brain-Machine Interface to restore neurological function and proposes conceptual and technical approaches to human neural ensemble recordings in the future.
Brain Computer Interfaces
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Author : Jonathan Wolpaw
language : en
Publisher: OUP USA
Release Date : 2012-01-24
Brain Computer Interfaces written by Jonathan Wolpaw and has been published by OUP USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-24 with Computers categories.
In the last 15 years, a recognizable surge in the field of Brain Computer Interface (BCI) research and development has emerged. This emergence has sprung from a variety of factors. For one, inexpensive computer hardware and software is now available and can support the complex high-speed analyses of brain activity that is essential is BCI. Another factor is the greater understanding of the central nervous system including the abundance of new information on the nature and functional correlates of brain signals and improved methods for recording these signals in both the short-term and long-term. And the third, and perhaps most significant factor, is the new recognition of the needs and abilities of people disabled by disorders such as cerebral palsy, spinal cord injury, stroke, amyotrophic lateral sclerosis (ALS), multiple sclerosis, and muscular dystrophies. The severely disabled are now able to live for many years and even those with severely limited voluntary muscle control can now be given the most basic means of communication and control because of the recent advances in the technology, research, and applications of BCI. This book is intended to provide an introduction to and summary of essentially all major aspects of BCI research and development. Its goal is to be a comprehensive, balanced, and coordinated presentation of the field's key principles, current practice, and future prospects.
Modern Intervention Tools For Rehabilitation
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Author : Meena Gupta
language : en
Publisher: Elsevier
Release Date : 2023-08-22
Modern Intervention Tools For Rehabilitation written by Meena Gupta and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-22 with Medical categories.
Modern Intervention Tools for Rehabilitation addresses current advancements in rehabilitation to better equip clinicians and researchers in the field. This resource will equip professionals for better patient outcomes and improve future rehabilitation research quality. An interdisciplinary understanding of the rehabilitation field is crucial for improved patient care and outcomes, with relevance to patient care in other disciplines as well. With chapters dedicated to diagnostics, choosing appropriate techniques, managing medical treatment, and proper equipment care, readers will be well-equipped to decide on protocols, increase patient outcomes, and improve quality of life. - Discusses experimental results and evidence related to modern intervention tools and techniques for re-education and rehabilitation - Outlines conventional and recent advancement approaches - Features individual chapter introductions and summaries to provide a comprehensive introduction - Describes future perspectives in the field
Brain Computer Interface Research
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Author : Christoph Guger
language : en
Publisher: Springer
Release Date : 2014-11-01
Brain Computer Interface Research written by Christoph Guger and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-01 with Computers categories.
This book provides a cutting-edge overview of the latest developments in Brain-Computer-Interfaces (BCIs), reported by leading research groups. As the reader will discover, BCI research is moving ahead rapidly, with many new ideas, research initiatives, and improved technologies, e.g. BCIs that enable people to communicate just by thinking – without any movement at all. Several different groups are helping severely disabled users communicate using BCIs, and BCI technology is also being extended to facilitate recovery from stroke, epilepsy, and other conditions. Each year, hundreds of the top BCI scientists, engineers, doctors, and other visionaries compete for the most prestigious honor in the BCI research community: the annual BCI Award. The 2013 BCI Award competition was by far the most competitive, with over 160 research groups vying for a nomination. The chapters of this book summarize the ten projects that were nominated, in particular the winning project, and analyses how these reflect general trends in BCI development. Each project summary includes an introduction, description of methods, results, and also includes newer work completed after the project was entered for the competition. The texts are presented in accessible style with numerous supporting pictures, graphs, and figures.
Neural Engineering
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Author : Bin He
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-01-09
Neural Engineering written by Bin He and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-09 with Technology & Engineering categories.
Neural Engineering, 2nd Edition, contains reviews and discussions of contemporary and relevant topics by leading investigators in the field. It is intended to serve as a textbook at the graduate and advanced undergraduate level in a bioengineering curriculum. This principles and applications approach to neural engineering is essential reading for all academics, biomedical engineers, neuroscientists, neurophysiologists, and industry professionals wishing to take advantage of the latest and greatest in this emerging field.