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Development Of A More Robust Near Infrared Spectroscopy Brain Computer Interface
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Book Synopsis Development of a More Robust Near-Infrared Spectroscopy Brain Computer Interface by : Larissa Christina Schudlo
Download or read book Development of a More Robust Near-Infrared Spectroscopy Brain Computer Interface written by Larissa Christina Schudlo and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Near-infrared spectroscopy (NIRS) has been gaining increasing attention as a brain-computer interface (BCI) modality. However, communication rates offered by this technology are not yet practical for clinical implementation. This thesis investigates the feasibility of enhancing the speed and accuracy attainable by NIRS-BCIs. To date, most studies have utilized activity from a single cortical region, particularly the anterior prefrontal cortex (aPFC), to discern two non-motor-based mental states. However, cognitive processes require coordination between several, spatially-distributed areas. Additional cortical information may help improve classification of mental states, particularly combinations of more than two. Furthermore, testing has largely focused on offline analyses, despite the possibility of enhanced cortical control attainable with feedback. Lastly, NIRS-BCI work has primarily involved able-bodied participants, most of which were offline. In an initial offline study, we investigated the value of utilizing cortical activity measured from multiple brain regions to differentiate all possible combinations of two cognitive tasks and rest. With prefrontal and parietal measurements, average binary and ternary accuracies exceeded 80% and 70%, respectively. Accuracies and information transfer rates (ITRs) improved significantly with the inclusion of measurements beyond the aPFC. A second study was conducted to evaluate ternary classification accuracies achievable in an online system that offered classification feedback. An average online accuracy of 74.2 Âą 14.8% was attained, representing further improvements in NIRS-BCI speed and accuracy. In a final study, we tested an online system developed for a candidate BCI user with severe, congenital muscular impairments. The binary system made use of prefrontal measurements beyond the aPFC and was tailored for the user prior to each online session. Offline and online accuracies of 66.9 Âą 9.11% and 63.33%, respectively, were achieved. Collectively, these findings demonstrate the value of considering multiple brain regions and offering online classification feedback to realize a faster and more accurate NIRS-BCI.
Book Synopsis A Neurofeedback-based Near-infrared Spectroscopy Brain-computer Interface by : Sabine Angelika Weyand
Download or read book A Neurofeedback-based Near-infrared Spectroscopy Brain-computer Interface written by Sabine Angelika Weyand and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toward Brain-computer Interfacing by : Guido Dornhege
Download or read book Toward Brain-computer Interfacing written by Guido Dornhege and published by MIT Press. This book was released on 2007 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a timely overview of the latest BCI research, with contributions from many of the important research groups in the field.
Book Synopsis Development of an Optical Brain-Computer Interface Using Dynamic Topographical Pattern Classification by : Larissa Christina Schudlo
Download or read book Development of an Optical Brain-Computer Interface Using Dynamic Topographical Pattern Classification written by Larissa Christina Schudlo and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Brain-Computer Interfaces by : Aboul Ella Hassanien
Download or read book Brain-Computer Interfaces written by Aboul Ella Hassanien and published by Springer. This book was released on 2014-11-01 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: The success of a BCI system depends as much on the system itself as on the user’s ability to produce distinctive EEG activity. BCI systems can be divided into two groups according to the placement of the electrodes used to detect and measure neurons firing in the brain. These groups are: invasive systems, electrodes are inserted directly into the cortex are used for single cell or multi unit recording, and electrocorticography (EcoG), electrodes are placed on the surface of the cortex (or dura); noninvasive systems, they are placed on the scalp and use electroencephalography (EEG) or magnetoencephalography (MEG) to detect neuron activity. The book is basically divided into three parts. The first part of the book covers the basic concepts and overviews of Brain Computer Interface. The second part describes new theoretical developments of BCI systems. The third part covers views on real applications of BCI systems.
Book Synopsis Using Neurophysiological Signals that Reflect Cognitive or Affective State by : Anne-Marie Brouwer
Download or read book Using Neurophysiological Signals that Reflect Cognitive or Affective State written by Anne-Marie Brouwer and published by Frontiers Media SA. This book was released on 2015-07-27 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: What can we learn from spontaneously occurring brain and other physiological signals about an individual’s cognitive and affective state and how can we make use of this information? One line of research that is actively involved with this question is Passive Brain-Computer-Interfaces (BCI). To date most BCIs are aimed at assisting patients for whom brain signals could form an alternative output channel as opposed to more common human output channels, like speech and moving the hands. However, brain signals (possibly in combination with other physiological signals) also form an output channel above and beyond the more usual ones: they can potentially provide continuous, online information about an individual’s cognitive and affective state without the need of conscious or effortful communication. The provided information could be used in a number of ways. Examples include monitoring cognitive workload through EEG and skin conductance for adaptive automation or using ERPs in response to errors to correct for a behavioral response. While Passive BCIs make use of online (neuro)physiological responses and close the interaction cycle between a user and a computer system, (neuro)physiological responses can also be used in an offline fashion. Examples of this include detecting amygdala responses for neuromarketing, and measuring EEG and pupil dilation as indicators of mental effort for optimizing information systems. The described field of applied (neuro)physiology can strongly benefit from high quality scientific studies that control for confounding factors and use proper comparison conditions. Another area of relevance is ethics, ranging from dubious product claims, acceptance of the technology by the general public, privacy of users, to possible effects that these kinds of applications may have on society as a whole. In this Research Topic we aimed to publish studies of the highest scientific quality that are directed towards applications that utilize spontaneously, effortlessly generated neurophysiological signals (brain and/or other physiological signals) reflecting cognitive or affective state. We especially welcomed studies that describe specific real world applications demonstrating a significant benefit compared to standard applications. We also invited original, new kinds of (proposed) applications in this area as well as comprehensive review articles that point out what is and what is not possible (according to scientific standards) in this field. Finally, we welcomed manuscripts on the ethical issues that are involved. Connected to the Research Topic was a workshop (held on June 6, during the Fifth International Brain-Computer Interface Meeting, June 3-7, 2013, Asilomar, California) that brought together a diverse group of people who were working in this field. We discussed the state of the art and formulated major challenges, as reflected in the first paper of the Research Topic.
Book Synopsis Brain-Computer Interfaces by : Jonathan Wolpaw
Download or read book Brain-Computer Interfaces written by Jonathan Wolpaw and published by OUP USA. This book was released on 2012-01-24 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Brain Computer Interface by : Fouad Sabry
Download or read book Brain Computer Interface written by Fouad Sabry and published by One Billion Knowledgeable. This book was released on 2021-01-20 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of interfacing minds with computers has captured human imagination for a long time. Recent developments in neuroscience and engineering have made this concept a possibility, opening the door to restoring and potentially growing human physical and mental capabilities. Medical applications such as cochlear implants for deaf patients and deep brain stimulation for Parkinson's disease are becoming increasingly common. Brain-computer interfaces (BCIs) (also known as brain-machine interfaces or BMIs) are currently being explored in applications as diverse as defense, lie detection, alertness monitoring, telepresence, gaming, education, art, and human enhancement. By the end of reading this book, you will master the discussion about the following topics of Brain Computer Interface: Definitions UCLA and DARPA Neuro-Prosthetics Applications Neuromodulation History Electroencephalography (EEG) Brain Computer Interface challenge Brain/Neural Computer Interaction (BNCI) project Contingent Negative Variation (CNV) The Brain Computer Interface Society BCI Versus Neuro Prosthetics Animal Brain Computer Interface Research Phillip Kennedy's Research Yang Dan's Research Miguel Nicolelis' Research Donoghue, Schwartz, Andersen Research Carmena and colleagues Research Lebedev and colleagues Research General-Purpose Brain Computer Interface Research Framework Brain Machine Interface (BMI) Passive Brain Computer Interface Invasive Brain Computer Interfaces Treat Non-Congenital Blindness Restore Mobility in Disabled Individuals Partially invasive Brain Computer Interfaces Electrocorticography (ECoG) Light Reactive Imaging Brain Computer Interface Non-invasive Brain Computer Interface Non-Electroencephalography (EEG)-based brain–computer interface Pupil-Size Oscillation Functional Near Infrared Spectroscopy Electroencephalography (EEG)-based brain-computer interface Advanced Functional Neuroimaging Dry Active Electrode Array SSVEP Mobile Electroencephalography (EEG) Brain Computer Interface Cellular-based Brain Computer Interface Mobile Brain Computer Interface Devices Limitations Prosthesis and Regulation of the World Brain Computer Interface in Military Do It Yourself and Open-Source Brain Machine Interface Open Brain Programming Interface Reconstruction of Human Vision Brain Computer Interface Control Strategies in Neurogaming Motor Imagery Bio/Neurofeedback for Passive Brain Computer Interface Visual Evoked Potential (VEP) Synthetic telepathy/silent communication DARPA Silent Talk Objective Brain-Based Communication Using Imagined Speech First Direct Electronic Contact Experiment Conducted Between Two Humans' Nervous Systems Produce Morse Code Using Electroencephalography (EEG) Transmission of Electroencephalography (EEG) Signals Over the Internet Cell-Culture Brain Computer InterfaceS Caltech First Neurochip Artificial or Prosthetic Hippocampus Neurochip Rat Brain Neurons Fly an F-22 Fighter Jet Aircraft Simulator Ethical Considerations Current Brain Machine Interfacess Are Away from The Ethical Problems Brain Computer Interface In Medical and Pharmaceutical Research Low-cost Brain Computer Interface Sony 2006 NeuroSky 2007 OCZ 2008 Final Fantasy 2008 Uncle Milton Industries 2009 Emotiv 2009 Neurowear's "Necomimi" 2012 They Shall Walk 2014 Open-Source Brain Computer Interface 2016 Neuralink 2020 Future directions Disorders of consciousness (DOC) Motor Recovery Functional Brain Mapping Flexible Devices Neural Dust
Book Synopsis Advances in Sensing with Security Applications by : Jim Byrnes
Download or read book Advances in Sensing with Security Applications written by Jim Byrnes and published by Springer Science & Business Media. This book was released on 2006-01-02 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chapters in this volume were presented at the July 2005NATO Advanced Study Institute on Advances in Sensing with Security App- cations. The conference was held at the beautiful Il Ciocco resort near Lucca, in the glorious Tuscany region of northern Italy. Once again we gathered at this idyllic spot to explore and extend the reciprocity between mathematics and engineering. The dynamic interaction - tween world-renowned scientists from the usually disparate communities of pure mathematicians and applied scientists which occurred at our six previous ASI’s continued at this meeting. The fusion of basic ideas in mathematics, biology, and chemistry with ongoing improvements in hardware and computation o?ers the promise of much more sophisticated and accurate sensing capabilities than c- rently exist. Coupled with the dramatic rise in the need for surveillance in innumerable aspects of our daily lives, brought about by hostile acts deemed unimaginable only a few short years ago, the time was right for scientists in the diverse areas of sensing and security to join together in a concerted e?ort to combat the new brands of terrorism. This ASI was one important initial step. To encompass the diverse nature of the s- ject and the varied backgrounds of the anticipated participants, the ASI was divided into three broadly de?ned but interrelated areas: the - creasing need for fast and accurate sensing, the scienti?c underpinnings of the ongoing revolution in sensing, and speci?c sensing algorithms and techniques. The ASI brought together world leaders from academia, government, andindustry,withextensivemultidisciplinarybackgroundsevidencedby theirresearchandparticipationinnumerousworkshopsandconferences.
Book Synopsis Near-Infrared Spectroscopy by : Yukihiro Ozaki
Download or read book Near-Infrared Spectroscopy written by Yukihiro Ozaki and published by Springer Nature. This book was released on 2020-11-13 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides knowledge of the basic theory, spectral analysis methods, chemometrics, instrumentation, and applications of near-infrared (NIR) spectroscopy—not as a handbook but rather as a sourcebook of NIR spectroscopy. Thus, some emphasis is placed on the description of basic knowledge that is important in learning and using NIR spectroscopy. The book also deals with applications for a variety of research fields that are very useful for a wide range of readers from graduate students to scientists and engineers in both academia and industry. For readers who are novices in NIR spectroscopy, this book provides a good introduction, and for those who already are familiar with the field it affords an excellent means of strengthening their knowledge about NIR spectroscopy and keeping abreast of recent developments.
Book Synopsis A Novel Near-infrared Spectroscopy Brain-computer Interface for the Detection of Emotional Valence in Children by : Erica Floreani
Download or read book A Novel Near-infrared Spectroscopy Brain-computer Interface for the Detection of Emotional Valence in Children written by Erica Floreani and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brain-computer interfaces (BCI) are being investigated as an access pathway to communication for individuals with physical disabilities as they bypass the need for voluntary motor control to operate. However, to date, minimal research has investigated the use of BCIs for children. This thesis describes the development of a paediatric brain-computer interface to identify positive and negative emotional states from changes in hemodynamic activity of the pre-frontal cortex. To train and test the BCI, 10 typically developing children aged 8-14 underwent a session of emotion induction trials while their hemodynamic activity was measured with near-infrared spectroscopy (NIRS). BCI performance was evaluated both offline, using cross-validation, and online, using real-time prediction results. Offline differentiation rates were comparable to studies with adult populations, and online prediction was feasible, yet failed to surpass the 70% accuracy threshold of 'effective' BCI use. Interparticipant and intersession variability in BCI performance was also investigated.
Book Synopsis Online Near-infrared Spectroscopy Brain-computer Interfaces with Real-time Feedback by : Justin Chan
Download or read book Online Near-infrared Spectroscopy Brain-computer Interfaces with Real-time Feedback written by Justin Chan and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Brain-Computer Interfaces by : Jonathan Wolpaw
Download or read book Brain-Computer Interfaces written by Jonathan Wolpaw and published by Oxford University Press. This book was released on 2012-01-24 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: A recognizable surge in the field of Brain Computer Interface (BCI) research and development has emerged in the past two decades. 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.
Book Synopsis Developing an Auditory Hybrid Brain-computer Interface Based on Near-infrared Spectroscopy and Electroencephalography by : Stefanie Esther Glowinsky
Download or read book Developing an Auditory Hybrid Brain-computer Interface Based on Near-infrared Spectroscopy and Electroencephalography written by Stefanie Esther Glowinsky and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Auditory brain-computer interfaces (BCIs) serve as an access pathway for individuals who present as locked-in and have concomitant visual impairments, but they do not perform as well as visual BCIs. Since hybrid BCIs that combine electroencephalography (EEG) and near-infrared spectroscopy (NIRS) outperform unimodal BCIs in motor imagery tasks, we hypothesized that such a hybrid BCI would outperform a unimodal BCI in an auditory oddball task. Eleven non-disabled adults (aged 25.6 Âą 3.3) participated in two offline sessions and eight returned for a third online session. While combined EEG-NIRS classification did not outperform EEG-exclusive classification, combined classification does show modest gains in 2 participants when using all the NIRS data but constraining the EEG data to only a single oddball. In conclusion, NIRS offers limited benefits in terms of classification in a prolonged auditory task paradigm, but future research should focus on optimizing task duration for EEG and NIRS classification.
Book Synopsis Foundations of Augmented Cognition by : Dylan D. Schmorrow
Download or read book Foundations of Augmented Cognition written by Dylan D. Schmorrow and published by Springer. This book was released on 2007-08-24 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Third International Conference on Augmented Cognition, FAC 2007, held in Beijing, China, in July 2007, within the framework of the 12th International Conference on Human-Computer Interaction, HCII 2007, with 8 other thematically similar conferences. It covers general Augmented Cognition methods and techniques and discusses various Augmented Cognition applications.
Book Synopsis Brain-Computer Interfaces for Human Augmentation by : Riccardo Poli
Download or read book Brain-Computer Interfaces for Human Augmentation written by Riccardo Poli and published by MDPI. This book was released on 2019-11-28 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of Brain–Computer Interfaces (BCIs) has grown rapidly in the last few decades, allowing the development of faster and more reliable assistive technologies based on direct links between the brain and an external device. Novel applications of BCIs have also been proposed, especially in the area of human augmentation, i.e., enabling people to go beyond human limitations in sensory, cognitive and motor tasks. Brain-imaging techniques, such as electroencephalography, have been used to extract neural correlates of various brain processes and transform them, via machine learning, into commands for external devices. Brain stimulation technology has allowed to trigger the activation of specific brain areas to enhance the cognitive processes associated to the task at hand, hence improving performance. BCIs have therefore extended their scope from assistive technologies for people with disabilities to neuro-tools for human enhancement. This Special Issue aims at showing the recent advances in BCIs for human augmentation, highlighting new results on both traditional and novel applications. These include, but are not limited to, control of external devices, communication, cognitive enhancement, decision making and entertainment.
Book Synopsis Brain-Computer Interfaces by : Desney S. Tan
Download or read book Brain-Computer Interfaces written by Desney S. Tan and published by Springer Science & Business Media. This book was released on 2010-06-10 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: For generations, humans have fantasized about the ability to create devices that can see into a person’s mind and thoughts, or to communicate and interact with machines through thought alone. Such ideas have long captured the imagination of humankind in the form of ancient myths and modern science fiction stories. Recent advances in cognitive neuroscience and brain imaging technologies have started to turn these myths into a reality, and are providing us with the ability to interface directly with the human brain. This ability is made possible through the use of sensors that monitor physical processes within the brain which correspond with certain forms of thought. Brain-Computer Interfaces: Applying our Minds to Human-Computer Interaction broadly surveys research in the Brain-Computer Interface domain. More specifically, each chapter articulates some of the challenges and opportunities for using brain sensing in Human-Computer Interaction work, as well as applying Human-Computer Interaction solutions to brain sensing work. For researchers with little or no expertise in neuroscience or brain sensing, the book provides background information to equip them to not only appreciate the state-of-the-art, but also ideally to engage in novel research. For expert Brain-Computer Interface researchers, the book introduces ideas that can help in the quest to interpret intentional brain control and develop the ultimate input device. It challenges researchers to further explore passive brain sensing to evaluate interfaces and feed into adaptive computing systems. Most importantly, the book will connect multiple communities allowing research to leverage their work and expertise and blaze into the future.
