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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Neurosciences
This book introduces new methods to analyze vertex-varying graph signals. In many real-world scenarios, the data sensing domain is not a regular grid, but a more complex network that consists of sensing points (vertices) and edges (relating the sensing points). Furthermore, sensing geometry or signal properties define the relation among sensed signal points. Even for the data sensed in the well-defined time or space domain, the introduction of new relationships among the sensing points may produce new insights in the analysis and result in more advanced data processing techniques. The data domain, in these cases and discussed in this book, is defined by a graph. Graphs exploit the fundamental relations among the data points. Processing of signals whose sensing domains are defined by graphs resulted in graph data processing as an emerging field in signal processing. Although signal processing techniques for the analysis of time-varying signals are well established, the corresponding graph signal processing equivalent approaches are still in their infancy. This book presents novel approaches to analyze vertex-varying graph signals. The vertex-frequency analysis methods use the Laplacian or adjacency matrix to establish connections between vertex and spectral (frequency) domain in order to analyze local signal behavior where edge connections are used for graph signal localization. The book applies combined concepts from time-frequency and wavelet analyses of classical signal processing to the analysis of graph signals. Covering analytical tools for vertex-varying applications, this book is of interest to researchers and practitioners in engineering, science, neuroscience, genome processing, just to name a few. It is also a valuable resource for postgraduate students and researchers looking to expand their knowledge of the vertex-frequency analysis theory and its applications. The book consists of 15 chapters contributed by 41 leading researches in the field.
Historical analysis reveals that perceptual theories and models are doomed to relatively short lives. The most popular contemporary theories in perceptual science do not have as wide an acceptance among researchers as do some of those in other sciences. To understand these difficulties, the authors of the present volume explore the conceptual and philosophical foundations of perceptual science. Based on logical analyses of various problems, theories, and models, they offer a number of reasons for the current weakness of perceptual explanations. New theoretical approaches are also proposed. At the end of each chapter, dicussants contribute to the conclusions by critically examining the authors' ideas and analyses.
This volume looks at the study of oligodendrocytes through in vitro and in vivo techniques, multiple model organisms, using approaches that bridge scales from molecular through system. Chapters in this book cover topics such as fundamental molecular analyses of oligodendrocytes and myelin; in vitro, ex vivo, and in vivo molecular-cellular-electrophysiology-based techniques; oligodendrocyte formation, homeostasis, and disruption in zebrafish and Xenopus; and parallel system-level imaging of animal and human models. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and thorough, Oligodendrocytes: Methods and Protocols is a valuable reference guide that highlights the expansive and fast-paced nature of research into oligodendrocyte biology underlying health and function.
This book examines the human auditory effects of exposure to directed beams of high-power microwave pulses, which research results have shown can cause a cascade of health events when aimed at a human subject or the subject's head. The book details multidisciplinary investigations using physical theories and models, physiological events and phenomena, and computer analysis and simulation. Coverage includes brain anatomy and physiology, dosimetry of microwave power deposition, microwave auditory effect, interaction mechanisms, shock/pressure wave induction, Havana syndrome, and application in microwave thermoacoustic tomography (MTT). The book will be welcomed by scientists, academics, health professionals, government officials, and practicing biomedical engineers as an important contribution to the continuing study of the effects of microwave pulse absorption on humans.
Historical Perspectives. Morphology of Chemoreceptors. Re-Examination of the Carotid body Ultrastructure with Paying Attention to the Intercellular Membrane Apposition; H. Kondo, H. Iwasa. Biochemistry of Chemoreceptor Mechanisms. Developmental Aspects of Chemoreceptors. Mechanisms of Carotid Chemoreceptor Resetting After Birth: in vitro Studies; J.L. Carroll, et al. Biophysics of Ionic Channels in Chemoreceptors. Molecular Biology of Chemoreceptors. Evaluation of Gene Expression in the Rat Carotid Body Using the Differential Display Technique; J. Chen, et al. Generation of Chemosensory Activity. transmitters Involved in Chemoreception: Acetylcholine. Release of Acetylcholine from the in vitro Cat Carotid Body; R.S. Fitzgerald, M. Shirahata. Transmitters Involved in Chemoreception: Catecholamines. Dopamine Efflux from the Carotid Body During Hypoxic Stimulation; P. Zapata, et al. Transmiters Involved in Chemoreception: Adenosine and Peptides. Transmitters Involved in Chemoreception: Carbon Monoxide and Nitric Oxide. Chemoreflex Pathways. Coherence of Chemosensor Discharges in Catas' Carotid Nerves. Cooperative Inputs or Redundant Afferences?; J. Alcayaga, et al. Chemoreceptors in Ventilatory Regulation. Chemoreflex Integration and Effectors. 65 Additional Articles. Index.
This volume discusses techniques to synthesize and functionalize nanoparticles, monitor their delivery and uptake, and identify and evaluate their lethal and non-lethal effects on the metabolic activity of the nervous system. The chapters in this book are divided into 4 sections: photo-stimulation, thermal stimulation, mechanical perturbation, and toxicity and physiological effects. The first 3 sections focus on nanoparticle interactions with external sources that disturb the neuronal system, while the 4th explores the effects of having nanoparticles in a neuronal system in the absence of external stimuli. In Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Cutting-edge and comprehensive, Use of Nanoparticles in Neuroscience is a valuable resource for graduate students and specialized researchers that want to learn techniques needed to quantify experiments that use nanoparticles in the nervous system.
This volume covers methodologies, ranging from the molecular level to the network level, used to study receptor-receptor interactions in heteroreceptor complexes inside the central nervous system. The chapters in this book cover topics such as biochemical binding techniques; receptor autoradiography; superfused synaptosome techniques; RTK-GPCR interaction; fluorescence and bioluminiscence energy transfer methods, Co-IP cytometry-based FRET; and novel bioinformatic approaches to understand membrane heteroreceptor complexes and the global panorama of their receptor-receptor interactions. In Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Cutting-edge and thorough, Receptor-Receptor Interactions in the Central Nervous System is a valuable resource for any scientist or researcher interested in this field of study.
This book offers a timely overview of theories and methods developed by an authoritative group of researchers to understand the link between criticality and brain functioning. Cortical information processing in particular and brain function in general rely heavily on the collective dynamics of neurons and networks distributed over many brain areas. A key concept for characterizing and understanding brain dynamics is the idea that networks operate near a critical state, which offers several potential benefits for computation and information processing. However, there is still a large gap between research on criticality and understanding brain function. For example, cortical networks are not homogeneous but highly structured, they are not in a state of spontaneous activation but strongly driven by changing external stimuli, and they process information with respect to behavioral goals. So far the questions relating to how critical dynamics may support computation in this complex setting, and whether they can outperform other information processing schemes remain open. Based on the workshop "Dynamical Network States, Criticality and Cortical Function", held in March 2017 at the Hanse Institute for Advanced Studies (HWK) in Delmenhorst, Germany, the book provides readers with extensive information on these topics, as well as tools and ideas to answer the above-mentioned questions. It is meant for physicists, computational and systems neuroscientists, and biologists.
This comprehensive handbook synthesizes the often-fractured relationship between the study of biology and the study of society. Bringing together a compelling array of interdisciplinary contributions, the authors demonstrate how nuanced attention to both the biological and social sciences opens up novel perspectives upon some of the most significant sociological, anthropological, philosophical and biological questions of our era. The six sections cover topics ranging from genomics and epigenetics, to neuroscience and psychology to social epidemiology and medicine. The authors collaboratively present state-of-the-art research and perspectives in some of the most intriguing areas of what can be called biosocial and biocultural approaches, demonstrating how quickly we are moving beyond the acrimonious debates that characterized the border between biology and society for most of the twentieth century. This landmark volume will be an extremely valuable resource for scholars and practitioners in all areas of the social and biological sciences. The chapter 'Ten Theses on the Subject of Biology and Politics: Conceptual, Methodological, and Biopolitical Considerations' is open access under a CC BY 4.0 license via link.springer.com. Versions of the chapters 'The Transcendence of the Social', 'Scrutinizing the Epigenetics Revolution', 'Species of Biocapital, 2008, and Speciating Biocapital, 2017' and 'Experimental Entanglements: Social Science and Neuroscience Beyond Interdisciplinarity' are available open access via third parties. For further information please see license information in the chapters or on link.springer.com.
This book reviews the growing literature that is consistent with the hypothesis that hormones can regulate auditory physiology and perception across a broad range of animal taxa, including humans. Understanding how hormones modulate auditory function has far reaching implications for advancing our knowledge in the basic biomedical sciences and in understanding the evolution of acoustic communication systems. A fundamental goal of neuroscience is to understand how hormones modulate neural circuits and behavior. For example, steroids such as estrogens and androgens are well-known regulators of vocal motor behaviors used during social acoustic communication. Recent studies have shown that these same hormones can also greatly influence the reception of social acoustic signals, leading to the more efficient exchange of acoustic information.
Thanks to the enormous progress of neuroscience over the past few decades, we can now monitor the passage of initial stimulations to certain points in the brain. In spite of these findings, however, subjective consciousness still remains an unsolved mystery. This volume exposes neuroscience and cognitive science to philosophical analysis and proposes that we think of our conscious states of mind as a composite phenomenon consisting of three layers: neuronal events, somatic markers, and explicit consciousness. While physics and chemistry can and have been successfully employed to describe the causal relation between the first two layers, the further step to articulate consciousness is purely interpretative and points to the preponderant importance of language. Language is essential for the transformation of inchoate, not very informative somatic markers and mere moods into full consciousness and appraised emotion. Munz uses literary examples to shift our understanding of the mind away from computational models and to show how eloquence about our states of mind is manufactured rather than caused. He firmly rejects the efforts of both Freud and non-Freudian psychologists to find a scientific explanation for such manufacture and to make a science out of the eloquence of folk psychology. Instead he argues that the many ways eloquence is being manufactured to transform somatic markers into conscious states of mind are best accounted for in terms of Wittgenstein's conception of language games. This volume challenges most current thinking about consciousness and mind and will appeal to philosophers, psychologists, neuroscientists, and linguists.
This book will provide current understandings about two ubiquitously expressed metabotropic GPCRs, G-coupled purinoreceptor type 2 (P2Y) and Takeda G-protein-coupled bile acid receptor 5 (TGR5). G protein coupled receptors (GPCRs) are the largest family of proteins implicated in majority of cellular responses. The two receptor sub-families play a central role in many physiological functions as well as in many pathological conditions. This book offers up-to-date information on the physiological functions, signaling pathways and regulatory mechanisms of P2Y and TGR5 receptors. In addition, this book provides a comprehensive overview about the abnormalities of P2Y/TGR5 receptors and their contribution in the development and progression of pathological conditions. It also covers the currently available natural, chemical and pharmacological agents targeting these two receptor families and their therapeutic implications in P2Y and TGR5 associated disorders. This book is a valuable source for beginners and researchers to follow the rapidly progressing field of these two GPCR subfamily members.
This book reports on the latest technological and clinical advances in the field of neurorehabilitation. It is, however, much more than a conventional survey of the state-of-the-art in neurorehabilitation technologies and therapies. It was written on the basis of a week of lively discussions between PhD students and leading research experts during the Summer School on Neurorehabilitation (SSNR2014), held September 15-19 in Baiona, Spain. Its unconventional format makes it a perfect guide for all PhD students, researchers and professionals interested in gaining a multidisciplinary perspective on current and future neurorehabilitation scenarios. The book addresses various aspects of neurorehabilitation research and practice, including a selection of common impairments affecting CNS function, such as stroke and spinal cord injury, as well as cutting-edge rehabilitation and diagnostics technologies, including robotics, neuroprosthetics, brain-machine interfaces and neuromodulation.
1. Chronic Fatigue Syndrome in the Elderly: Another Geriatric Syndrome.- 2. Development of the 1994 Chronic Fatigue Syndrome Case Definition and Clinical Evaluation Guidelines.- 3. The Chronic Fatigue Syndrome: An Update on Important Issues.- 4. Efforts to Reduce Heterogeneity in Chronic Fatigue Syndrome Research.- 5. Nonrestorative Sleep, Musculoskeletal Pain, Fatigue, and Psychological Distress in Chronic Fatigue Syndrome, Fibromyalgia, Irritable Bowel Syndrome, Temporal Mandibular Joint Dysfunction Disorders (CFIT).- 6. Arguments for a Role of Abnormal Ionophore Function in Chronic Fatigue Syndrome.- 7. Cytokine Patterns Associated with Chronic Fatigue Syndrome.- 8. Chronic Fatigue Syndrome: Possible Integration of Hormonal and Immunological Observations.
Epilepsy is a devastating group of neurological disorders characterized by periodic and unpredictable seizure activity in the brain. There is a critical need for new drugs and approaches given than at least one-third of all epilepsy patients are not made free of seizures by existing medications and become "medically refractory". Much of epilepsy research has focused on neuronal therapeutic targets, but current antiepileptic drugs often cause severe cognitive, developmental, and behavioral side effects. Recent findings indicate a critical contribution of astrocytes, star-shaped glial cells in the brain, to neuronal and network excitability and seizure activity. Furthermore, many important cellular and molecular changes occur in astrocytes in epileptic tissue in both humans and animal models of epilepsy. The goal of Astrocytes and Epilepsy is to comprehensively review exciting findings linking changes in astrocytes to functional changes responsible for epilepsy for the first time in book format. These insights into astrocyte contribution to seizure susceptibility indicate that astrocytes may represent an important new therapeutic target in the control of epilepsy. Astrocytes and Epilepsy includes background explanatory text on astrocyte morphology and physiology, epilepsy models and syndromes, and evidence from both human tissue studies and animal models linking functional changes in astrocytes to epilepsy. Beautifully labelled diagrams are presented and relevant figures from the literature are reproduced to elucidate key findings and concepts in this rapidly emerging field. Astrocytes and Epilepsy is written for neuroscientists, epilepsy researchers, astrocyte investigators as well as neurologists and other specialists caring for patients with epilepsy.
Over the past several years, many investigators interested in the effects of man-made sounds on animals have come to realize that there is much to gain from studying the broader literature on hearing sound and the effects of sound as well as data from the effects on humans. It has also become clear that knowledge of the effects of sound on one group of animals (e.g., birds or frogs) can guide studies on other groups (e.g., marine mammals or fishes) and that a review of all such studies together would be very useful to get a better understanding of the general principles and underlying cochlear and cognitive mechanisms that explain damage, disturbance, and deterrence across taxa. The purpose of this volume, then, is to provide a comprehensive review of the effects of man-made sounds on animals, with the goal of fulfilling two major needs. First, it was thought to be important to bring together data on sound and bioacoustics that have implications across all taxa (including humans) so that such information is generally available to the community of scholars interested in the effects of sound. This is done in Chaps. 2-5. Second, in Chaps. 6-10, the volume brings together what is known about the effects of sound on diverse vertebrate taxa so that investigators with interests in specific groups can learn from the data and experimental approaches from other species. Put another way, having an overview of the similarities and discrepancies among various animal groups and insight into the "how and why" will benefit the overall conceptual understanding, applications in society, and all future research.
Drawing on shared research experiences and collaborative projects, this book offers a broad and timely perspective on research on the hand and its current challenges. It especially emphasizes the interdisciplinary context in which researchers need to be trained in contemporary science. From language to psychology, from neurology to the social sciences, and from art to philosophy and religion, the chapters discuss various aspects involved in hand research and therapy. On the basis of concrete and validated case studies, they approach hand function and gestures from different perspectives - not only neurological and medical, but also philosophical, evolutionary and anthropological. By highlighting the overlaps between different areas of research, the book seeks to foster better communication between researchers, and ultimately a better understanding of hand function and its recovery. It offers essential information and inspirations for students, researchers and practitioners in the fields of psychology, epistemology, bioengineering, neuroscience, anthropology and bioethics.
Evolution gave rise to a prominent insect diversity at every level of ecological niche. Since then, hordes of insects have threatened human and cattle health as well as most of all green lands and agricultural crops. Now, the insect problem expands from many mutant forms of yellow dengue fever mosquitoes to highly-resistant larvae of most all various phytophageous species. The tremendous expansion of insects is due not only to an increasing resistance capacity to insecticides, but also to a strong capacity for adapting to different climate and environmental changes, including global warming. Obviously insects display a number of rudimentary systems to build an extremely efficient organism to survive in a changing world. In many species, one pheromone molecule is enough to trigger mating behavior. Therefore, insects have become crucial models not only for evolutionary studies, but also for understanding specific mechanisms underlying sensory-based behaviors. Most of insect species such as ants, beetles, cockroaches, locusts, moths and mosquitoes largely rely on olfactory cues to explore the environment and find con-specifics or food sources. A conglomerate of renowned international scientific experts is gathered to expose the insect problem on the various continents of the planet and propose an alternative to the use of toxic insecticides. Sex pheromones, specific chemical signals necessary for reproduction, and pheromone detection in insects are described with full details of the olfactory mechanisms in the antennae and higher centers in the brain. Thus, new synthetic pheromones and/or plant odors with specific molecular target sites in the insect olfactory system are proposed for sustainable development in agricultural and entomological industries. Disrupting insect pheromone channels and plant odor detection mechanisms is solemnly envisioned as a unique way to control invasive insect pest species while preserving human and environment safety.
Based upon two decades of research with patients who have experienced pathology in one hemisphere of the brain, this book deals with brain mechanisms in human communicative behaviour, and with related motor functions from a broadly biological point of view. The work discusses the possible evolutionary origins of human communication, the relation of brain mechanisms in communicative behaviour to analogous nonhuman behaviors, and the neural systems involved in various levels and kinds of communication. Noncommunicative mechanisms which parallel those used in communication are also outlined in detail. Individual differences in brain organization for some functions are also explored. Much new data is presented along with the theoretical treatment of human communication which emphasizes a behavioral rather than a linguistic approach. The work will interest psycholinguists, cognitive psychologists, neurologists, clinical neuropsychologists, speech pathologists, and advanced students in these fields.
Neuroendocrine Factors in Ulcer Pathogenesis: Role of Sensory Neurons in the Control of Gastric Mucosal Blood Flow and Protection; P. Holzer, et al. Sympathoadrenergic Regulation of Duodenal Mucosal Alkaline Secretion; L. Fandriks, C. Joenson. Potentiation of Intestinal Secretory Responses to Histamine: Pathophysiological Implications; P. Rangachari, et al. Braingut Interactions in Ulcer Pathogenesis: Neuroendocrine Control of Gastric Acid Secretion; Y. Osumi. Corticotropinreleasing Factor in Stressinduced Changes in Gastrointestinal Transit; T. Burks. Stress, Corticotrophinreleasing Factor; (CRF) and Gastric Function; H. Weiner. Novel Therapeutic Approaches to Gastrointestinal Ulceration: The Gastric Mucosal Barrier: A Dynamic, Multifunctional System; A. Garner, et al. New Approaches to Gastroprotection: Calcium Modulators; G.B. Glavin, A.M. Hall. Efficacy of Dopaminergic Agents in Peptic Ulcer Healing and Relapse Prevention: Further Indication of the Importance of Stomach Dopamine in the Stressorganoprotection Concept; P. Sikiric, et al. Dietary Factors Influencing Gastrointestinal Ulceration: The Luminal Regulatory System; F. Guarner, et al. 14 additional articles. Index.
This book shows how to develop efficient quantitative methods to characterize neural data and extra information that reveals underlying dynamics and neurophysiological mechanisms. Written by active experts in the field, it contains an exchange of innovative ideas among researchers at both computational and experimental ends, as well as those at the interface. Authors discuss research challenges and new directions in emerging areas with two goals in mind: to collect recent advances in statistics, signal processing, modeling, and control methods in neuroscience; and to welcome and foster innovative or cross-disciplinary ideas along this line of research and discuss important research issues in neural data analysis. Making use of both tutorial and review materials, this book is written for neural, electrical, and biomedical engineers; computational neuroscientists; statisticians; computer scientists; and clinical engineers.
This detailed volume collects protocols for experimentation into how neurons connect to produce the extraordinary functionalities of the nervous system. Contributed by experts and pioneers in their respective techniques, the book covers synapses in the brain and in culture, their constituents, their structures, their dynamics, and the assemblies they form, all in the structure of a laboratory guide. Written for the highly successful Methods in Molecular Biology series, chapters include brief introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Synapse Development: Methods and Protocols serves as an ideal guide to minimizing the barrier to entry for the integration of new approaches with existing expertise, producing syntheses that will foster novel perspectives on the many ways in which synapses form, transform, and transmit. |
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