Brain Oscillations and Synchrony in Neurocognitive Systems

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Publisher :
ISBN 13 :
Total Pages : 211 pages
Book Rating : 4.:/5 (928 download)

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Book Synopsis Brain Oscillations and Synchrony in Neurocognitive Systems by :

Download or read book Brain Oscillations and Synchrony in Neurocognitive Systems written by and published by . This book was released on 2015 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Brain activity is strongly oscillatory: the collective firing of populations of neurons waxes and wanes in a rhythmic manner. The spatiotemporal and frequency-band characteristics of these oscillations may reflect how the brain organizes its activity, in a local as well as large scale manner. But how do brain oscillations relate to behavior and cognition? Can we understand psychological processes better by studying brain oscillations? This question was investigated in this thesis by means of several overarching topics. For example, I studied how humans combine auditory and visual sensory information when judging the passage of time. During these judgments, I observed strong inter-regional alpha-band (8-12 Hz) synchronization between visual and auditory processing regions. This is evidence that cross-modal integration may be happening at the level of the primary sensory regions, and not necessarily by some higher ("amodal") binding region. In addition, I investigated in multiple studies how theta-band (4-8 Hz) oscillations relate to various instances of cognitive control. For example, fast, impulsive performance errors were characterized by strong midfrontal theta dynamics, while slower errors due to attention lapses rather showed parieto-occipital alpha suppression. In addition, causally boosting theta oscillations in the brain through electrical stimulation, improved cognitively controlled behavior. Collectively, the studies that I present in this thesis elucidate the functional significance of different frequency bands in the instantiation of various neurocognitive mechanisms in the brain."--Samenvatting auteur.

Multimodal Oscillation-based Connectivity Theory

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Publisher : Springer
ISBN 13 : 3319322656
Total Pages : 152 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Multimodal Oscillation-based Connectivity Theory by : Satu Palva

Download or read book Multimodal Oscillation-based Connectivity Theory written by Satu Palva and published by Springer. This book was released on 2016-06-06 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systems-level neuronal mechanisms that coordinate the temporally, anatomically, and functionally distributed neuronal activity into coherent cognitive operations in the human brain have remained poorly understood. In humans, neuronal oscillations and synchronization can be recorded non-invasively with electro- and magnetoencephalography (EEG and MEG) that have excellent temporal resolution and an adequate spatial resolution when combined with source-reconstruction methods. In this book, leading authors in the field describe how recent methodological advances have paved the way to several major breakthroughs in the observations of large-scale synchrony from human non-invasive MEG data. This volume also presents the caveats influencing analyses of synchronization. These include the non-homogeneous sensitivity of MEG to superficial cortical sources, and, most importantly, the multitude of consequences of linear mixing. Linear mixing is an immense confounder in the sensor-level analyses of synchronization, but is also present at the source level. Approaches that can be used to avoid or compensate for these issues are then discussed. Thereafter, several authors take up a number of the functional roles that large-scale synchronization has in cognition. The authors assess how the spatio–temporal and –spectral organization and strength of both local and large-scale synchronized networks are associated with conscious sensory perception, visual working memory functions, and attention. These chapters summarize several lines of research showing how the strength of local and inter-areal oscillations in both cortical and subcortical brain structures is correlated with cognitive functions. Together these data suggest that synchronized neuronal oscillations may be a systems-level neuronal mechanism underlying the coordination of distributed processing in human cognition. In line with this argument, other authors go on to describe how oscillations and synchronization are altered in clinical populations, complementing the data presented on healthy subjects. Importantly, this book includes chapters from authors using many different approaches to the analyses of neuronal oscillations, ranging from local oscillatory activities to the usage of graph theoretical tools in the analyses of synchronization. In this way the present volume provides a comprehensive view on the analyses and functional significance of neuronal oscillations in humans. This book is aimed at doctoral and post-doctoral students as well as research scientists in the fields of cognitive neuroscience, psychology, medicine, and neurosciences.

Oscillations in Neural Systems

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Publisher : Psychology Press
ISBN 13 : 1135691908
Total Pages : 454 pages
Book Rating : 4.1/5 (356 download)

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Book Synopsis Oscillations in Neural Systems by : Daniel S. Levine

Download or read book Oscillations in Neural Systems written by Daniel S. Levine and published by Psychology Press. This book was released on 1999-09 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written for those interested in designing machines to perform intelligent functions & those interested in studying how these functions are performed by living organisms,this bk dicusses the mathematical structure & functional significance of neural oscil

Memory and Brain Dynamics

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Publisher : CRC Press
ISBN 13 : 020329873X
Total Pages : 287 pages
Book Rating : 4.2/5 (32 download)

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Book Synopsis Memory and Brain Dynamics by : Erol Basar

Download or read book Memory and Brain Dynamics written by Erol Basar and published by CRC Press. This book was released on 2004-06-23 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Memory itself is inseparable from all other brain functions and involves distributed dynamic neural processes. A wealth of publications in neuroscience literature report that the concerted action of distributed multiple oscillatory processes (EEG oscillations) play a major role in brain functioning. The analysis of function-related brain oscillatio

Brain Function and Oscillations

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Publisher : Springer Science & Business Media
ISBN 13 : 3642598935
Total Pages : 491 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Brain Function and Oscillations by : Erol Başar

Download or read book Brain Function and Oscillations written by Erol Başar and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neuroscience is ripe for a paradigm change as Freeman and Mountcastle describe. Brain Oscillations provide an important key to this change. In this book the functional importance of the brain's multiple oscillations is treated with an integrative scope. According to the author, neurophysiology and cognition demand integrative approaches similar to those of Galilei and Newton in physics and of Darwin in biology. Not only the human brain but also lower brains and ganglia of invertebrates are treated with electrophysical methods. Experiments on sensory registration, perception, movement, and cognitive processes related to attention, learning, and memory are described. A synopsis on brain functions leads to a new neuron assemblies doctrine, extending the concept of Sherrington, and new trends in this field. The book will appeal to scientists and graduate students.

Brain Oscillations in Human Communication

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Publisher : Frontiers Media SA
ISBN 13 : 2889454584
Total Pages : 199 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Brain Oscillations in Human Communication by : Anne Keitel

Download or read book Brain Oscillations in Human Communication written by Anne Keitel and published by Frontiers Media SA. This book was released on 2018-04-20 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brain oscillations, or neural rhythms, reflect widespread functional connections between large-scale neural networks, as well as within cortical networks. As such they have been related to many aspects of human behaviour. An increasing number of studies have demonstrated the role of brain oscillations at distinct frequency bands in cognitive, sensory and motor tasks. Consequentially, those rhythms also affect diverse aspects of human communication. On the one hand, this comprises verbal communication; a field where the understanding of neural mechanisms has seen huge advances in recent years. Speech is inherently organised in a rhythmic manner. For example, time scales of phonemes and syllables, but also formal prosodic aspects such as intonation and stress, fall into distinct frequency bands. Likewise, neural rhythms in the brain play a role in speech segmentation and coding of continuous speech at multiple time scales, as well as in the production of speech. On the other hand, human communication involves widespread and diverse nonverbal aspects where the role of neural rhythms is far less understood. This can be the enhancement of speech processing through visual signals, thought to be guided via brain oscillations, or the conveying of emotion, which results in differential rhythmic modulations in the observer. Additionally, body movements and gestures often have a communicative purpose and are known to modulate sensorimotor rhythms in the observer. This Research Topic of Frontiers in Human Neuroscience highlights the diverse aspects of human communication that are shaped by rhythmic activity in the brain. Relevant contributions are presented from various fields including cognitive and social neuroscience, neuropsychiatry, and methodology. As such they provide important new insights into verbal and non-verbal communication, pathological changes, and methodological innovations.

Brain Oscillations and Predictive Coding: What We Know and What We Should Learn

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Publisher : Frontiers Media SA
ISBN 13 : 2889451615
Total Pages : 102 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Brain Oscillations and Predictive Coding: What We Know and What We Should Learn by : Roumen Kirov

Download or read book Brain Oscillations and Predictive Coding: What We Know and What We Should Learn written by Roumen Kirov and published by Frontiers Media SA. This book was released on 2017-04-28 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Predictive coding (PC) is a neurocognitive concept, according to which the brain does not process the whole qualia of external information, but only residual mismatches occurring between incoming information and an individual, inner model of the world. At the time of issue initiation, I expected an essential focus on mismatch signals in the brain, especially those captured by neurophysiologic oscillations. This was because one most plausible approach to the PC concept is to identify and validate mismatch signals in the brain. Announcing the topic revealed a much deeper consideration of intelligible minds of researchers. It turned out that what was of fundamental interest was which brain mechanisms support the formation, maintenance and consolidation of the inner model determining PC. Is PC a dynamic construct continuously modulated by external environmental or internal mental information? The reader will be delighted to get acquainted with the current views and understanding of eminent scholars in the field. It will be challenging to discover the realm of sleep where both physiological, energy preserving and mental qualia principles build on the inner models to shape and transform the self. And where neurophysiologic oscillations may both transmit external information and translate inner models from state to state to preserve the self-continuity and compactness.

Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations

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Publisher : Springer Science & Business Media
ISBN 13 : 1441961364
Total Pages : 544 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations by : Erol Başar

Download or read book Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations written by Erol Başar and published by Springer Science & Business Media. This book was released on 2010-12-06 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations is a research monograph, with didactical features, on the mechanisms of the mind, encompassing a wide spectrum of results and analyses. The book should appeal to scientists and graduate students in the fields of neuroscience, neurology, psychiatry, physiology, psychology, physics and philosophy. Its goals are the development of an empirical-analytical construct, denoted as “Reasonings to Approach the Mind”, and the comprehension of 20 principles for understanding the mind. This book amalgamates results from work on the brain, vegetative system, brains in the evolution of species, the maturing brain, dynamic memory, emotional processes, and cognitive impairment in neuro-psychiatric disorders (Alzheimer, Schizophrenia, Bipolar disorders). The findings are comparatively evaluated within the framework of brain oscillations and neurotransmitters. Further, a holistic approach links the brain to the cardiovascular system and overall myogenic coordination of the vegetative system. The results emphasize that EEG oscillations, ultraslow oscillations, and neurotransmitters are quasi-invariant building blocks in brain-body-mind function and also during the evolution of species: The temporal domain is where the importance of research on neural oscillators is indispensable. The core, holistic concept that emerges is that the brain, spinal cord, overall myogenic system, brain-body-oscillations, and neurotransmitters form a functional syncytium. Accordingly, the concept of “Syncytium Brain-Body-Mind” replaces the concept of “Mind”. P>

Cortical Oscillations in Health and Disease

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Publisher :
ISBN 13 : 0195342798
Total Pages : 464 pages
Book Rating : 4.1/5 (953 download)

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Book Synopsis Cortical Oscillations in Health and Disease by : Roger D. Traub

Download or read book Cortical Oscillations in Health and Disease written by Roger D. Traub and published by . This book was released on 2010 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book first reviews the case that brain oscillations not only are important for cognition, as long suspected, but also play a part in the expression of signs and symptoms of neuropsychiatric disorders. The cellular mechanisms of many of the clinically relevant oscillations have been studied by the authors and their colleagues, using in vitro slice methods as well as detailed computer simulations. A surprising insight is that gap junctions between principal neurons play an absolutely critical role in so many types of oscillation in neuronal populations; oscillations are not just the result of properties of individual neurons and their synaptic connections. Furthermore, the way in which gap junctions produce oscillations in the cortex is novel, involving as it does global properties of networks, rather than just the time constants of membrane currents. This insight has implications for therapeutics as well as for our understanding of normal brain functions.

Rhythms of the Brain

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Publisher : Oxford University Press
ISBN 13 : 0199828237
Total Pages : 465 pages
Book Rating : 4.1/5 (998 download)

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Book Synopsis Rhythms of the Brain by : G. Buzsáki

Download or read book Rhythms of the Brain written by G. Buzsáki and published by Oxford University Press. This book was released on 2011 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of mechanisms in the brain that allow complicated things to happen in a coordinated fashion have produced some of the most spectacular discoveries in neuroscience. This book provides eloquent support for the idea that spontaneous neuron activity, far from being mere noise, is actually the source of our cognitive abilities. It takes a fresh look at the coevolution of structure and function in the mammalian brain, illustrating how self-emerged oscillatory timing is the brain's fundamental organizer of neuronal information. The small-world-like connectivity of the cerebral cortex allows for global computation on multiple spatial and temporal scales. The perpetual interactions among the multiple network oscillators keep cortical systems in a highly sensitive "metastable" state and provide energy-efficient synchronizing mechanisms via weak links. In a sequence of "cycles," György Buzsáki guides the reader from the physics of oscillations through neuronal assembly organization to complex cognitive processing and memory storage. His clear, fluid writing-accessible to any reader with some scientific knowledge-is supplemented by extensive footnotes and references that make it just as gratifying and instructive a read for the specialist. The coherent view of a single author who has been at the forefront of research in this exciting field, this volume is essential reading for anyone interested in our rapidly evolving understanding of the brain.

The Theoretical Foundation of Dendritic Function

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Publisher : MIT Press
ISBN 13 : 9780262193566
Total Pages : 484 pages
Book Rating : 4.1/5 (935 download)

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Book Synopsis The Theoretical Foundation of Dendritic Function by : Wilfrid Rall

Download or read book The Theoretical Foundation of Dendritic Function written by Wilfrid Rall and published by MIT Press. This book was released on 1995 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of fifteen previously published papers, some of them not widely available, have been carefully chosen and annotated by Rall's colleagues and other leading neuroscientists.

Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations

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Publisher : Springer
ISBN 13 : 9781441961341
Total Pages : 524 pages
Book Rating : 4.9/5 (613 download)

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Book Synopsis Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations by : Erol Başar

Download or read book Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations written by Erol Başar and published by Springer. This book was released on 2010-12-06 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brain-Body-Mind in the Nebulous Cartesian System: A Holistic Approach by Oscillations is a research monograph, with didactical features, on the mechanisms of the mind, encompassing a wide spectrum of results and analyses. The book should appeal to scientists and graduate students in the fields of neuroscience, neurology, psychiatry, physiology, psychology, physics and philosophy. Its goals are the development of an empirical-analytical construct, denoted as “Reasonings to Approach the Mind”, and the comprehension of 20 principles for understanding the mind. This book amalgamates results from work on the brain, vegetative system, brains in the evolution of species, the maturing brain, dynamic memory, emotional processes, and cognitive impairment in neuro-psychiatric disorders (Alzheimer, Schizophrenia, Bipolar disorders). The findings are comparatively evaluated within the framework of brain oscillations and neurotransmitters. Further, a holistic approach links the brain to the cardiovascular system and overall myogenic coordination of the vegetative system. The results emphasize that EEG oscillations, ultraslow oscillations, and neurotransmitters are quasi-invariant building blocks in brain-body-mind function and also during the evolution of species: The temporal domain is where the importance of research on neural oscillators is indispensable. The core, holistic concept that emerges is that the brain, spinal cord, overall myogenic system, brain-body-oscillations, and neurotransmitters form a functional syncytium. Accordingly, the concept of “Syncytium Brain-Body-Mind” replaces the concept of “Mind”. P>

Non-Invasive Brain Stimulation

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Publisher : Psychology Press
ISBN 13 : 1848727569
Total Pages : 218 pages
Book Rating : 4.8/5 (487 download)

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Book Synopsis Non-Invasive Brain Stimulation by : Carlo Miniussi

Download or read book Non-Invasive Brain Stimulation written by Carlo Miniussi and published by Psychology Press. This book was released on 2011 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes state-of-the art reviews, written by research leaders, of Non-Invasive Brain-Stimulation (NIBS) techniques for the cognitive rehabilitation of disorders of memory, language, perception, attention and executive functions.

Analyzing Neural Time Series Data

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Publisher : MIT Press
ISBN 13 : 0262019876
Total Pages : 615 pages
Book Rating : 4.2/5 (62 download)

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Book Synopsis Analyzing Neural Time Series Data by : Mike X Cohen

Download or read book Analyzing Neural Time Series Data written by Mike X Cohen and published by MIT Press. This book was released on 2014-01-17 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to the conceptual, mathematical, and implementational aspects of analyzing electrical brain signals, including data from MEG, EEG, and LFP recordings. This book offers a comprehensive guide to the theory and practice of analyzing electrical brain signals. It explains the conceptual, mathematical, and implementational (via Matlab programming) aspects of time-, time-frequency- and synchronization-based analyses of magnetoencephalography (MEG), electroencephalography (EEG), and local field potential (LFP) recordings from humans and nonhuman animals. It is the only book on the topic that covers both the theoretical background and the implementation in language that can be understood by readers without extensive formal training in mathematics, including cognitive scientists, neuroscientists, and psychologists. Readers who go through the book chapter by chapter and implement the examples in Matlab will develop an understanding of why and how analyses are performed, how to interpret results, what the methodological issues are, and how to perform single-subject-level and group-level analyses. Researchers who are familiar with using automated programs to perform advanced analyses will learn what happens when they click the “analyze now” button. The book provides sample data and downloadable Matlab code. Each of the 38 chapters covers one analysis topic, and these topics progress from simple to advanced. Most chapters conclude with exercises that further develop the material covered in the chapter. Many of the methods presented (including convolution, the Fourier transform, and Euler's formula) are fundamental and form the groundwork for other advanced data analysis methods. Readers who master the methods in the book will be well prepared to learn other approaches.

The Cognitive Neuroscience of Working Memory

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Publisher :
ISBN 13 : 0198570392
Total Pages : 418 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis The Cognitive Neuroscience of Working Memory by : Naoyuki Osaka

Download or read book The Cognitive Neuroscience of Working Memory written by Naoyuki Osaka and published by . This book was released on 2007 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is only relatively recently that it has been possible to study the neural processes that might underlie working memory, leading to a proliferation of research in this domain. This volume brings together leading researchers from around the world to summarise current knowledge of this field.

Cognitive Plasticity in Neurologic Disorders

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Publisher : Oxford University Press, USA
ISBN 13 : 0199965242
Total Pages : 433 pages
Book Rating : 4.1/5 (999 download)

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Book Synopsis Cognitive Plasticity in Neurologic Disorders by : Joseph I. Tracy

Download or read book Cognitive Plasticity in Neurologic Disorders written by Joseph I. Tracy and published by Oxford University Press, USA. This book was released on 2014-12-02 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume makes clear that the cognitive and behavioural symptoms of neurologic disorders and syndromes are dynamic and changing. Each chapter describes the neuroplastic processes at work in a particular condition, giving rise to these ongoing cognitive changes.

Magnetoencephalography

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Publisher : Springer
ISBN 13 : 3642330452
Total Pages : 999 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Magnetoencephalography by : Selma Supek

Download or read book Magnetoencephalography written by Selma Supek and published by Springer. This book was released on 2014-08-07 with total page 999 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetoencephalography (MEG) is an invaluable functional brain imaging technique that provides direct, real-time monitoring of neuronal activity necessary for gaining insight into dynamic cortical networks. Our intentions with this book are to cover the richness and transdisciplinary nature of the MEG field, make it more accessible to newcomers and experienced researchers and to stimulate growth in the MEG area. The book presents a comprehensive overview of MEG basics and the latest developments in methodological, empirical and clinical research, directed toward master and doctoral students, as well as researchers. There are three levels of contributions: 1) tutorials on instrumentation, measurements, modeling, and experimental design; 2) topical reviews providing extensive coverage of relevant research topics; and 3) short contributions on open, challenging issues, future developments and novel applications. The topics range from neuromagnetic measurements, signal processing and source localization techniques to dynamic functional networks underlying perception and cognition in both health and disease. Topical reviews cover, among others: development on SQUID-based and novel sensors, multi-modal integration (low field MRI and MEG; EEG and fMRI), Bayesian approaches to multi-modal integration, direct neuronal imaging, novel noise reduction methods, source-space functional analysis, decoding of brain states, dynamic brain connectivity, sensory-motor integration, MEG studies on perception and cognition, thalamocortical oscillations, fetal and neonatal MEG, pediatric MEG studies, cognitive development, clinical applications of MEG in epilepsy, pre-surgical mapping, stroke, schizophrenia, stuttering, traumatic brain injury, post-traumatic stress disorder, depression, autism, aging and neurodegeneration, MEG applications in cognitive neuropharmacology and an overview of the major open-source analysis tools.