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Cerebellar Cortex
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Download or read book Cerebellar Cortex written by S.L. Palay and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origins of this book go back to the first electron microscopic studies of the central nervous system. The cerebellar cortex was from the first an object of close study in the electron microscope, repeating in modern cytology and neuroanatomy the role it had in the hands of RAMON y CAJAL at the end of the nineteenth century. The senior author vividly remembers a day early in 1953 when GEORGE PALADE, with whom he was then working, showed him an electron micrograph of a cerebellar glomerulus, saying "That is what the synapse should look like. " It is true that the tissue was swollen and the mitochondria were exploded, but all of the essentials of synaptic structure were visible. At that time small fragments of tissue, fixed by immersion in osmium tetroxide and embedded in methacrylate, were laboriously sectioned with glass knives without any predetermined orientation and then examined in the electron microscope. After much searching, favorably preserved areas' were studied at the cytological level in order to recognize the parts of neurons and characterize them. Such procedures, dependent upon random sections and uncontrollable selection by a highly erratic technique of preservation, precluded any systematic investigation of the organization of a particular nucleus or region of the central nervous system. It was difficult enough to distinguish neurons from the neuroglia.
Book Synopsis From the Retina to the Neocortex by : VAINA
Download or read book From the Retina to the Neocortex written by VAINA and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: David Courtnay Marr was born on January 19, 1945 in Essex, England. He went to the English public school, Rugby, on scholarship and between 1963 and 1966 studied mathematics at Trinity College, Cambridge University where he obtained his B.S. and M.S. degrees. Rather than pursue a Ph. D. in math ematics he preferred to switch to neurophysiology under Giles Brindley. His education involved training in neuroanatomy, neurophysiology, biochemistry, and molecular biology. Marr's Ph. D. work resulted in a theory of the cerebel lar cortex, the essence of which became "A Theory of the Cerebellar Cortex," reproduced in Chapter 1 of this volume with a commentary by Thomas Thach. He wrote a short paper subsequently with Stephen Blomfield, "How the Cere bellum May Be Used," (Chapter 2 in this volume with commentary by Jack Cowan). After obtaining his Ph. D., David Marr accepted an appointment to the scientific staff of the MRC Laboratory of Molecular Biology in Cambridge in the division of Cell Biology under Sydney Brenner and Francis Crick. Two other major studies, "Simple Memory: A Theory of the Archicortex" (Chapter 3 in this volume, commented on by Bruce McNaughton and David Willshaw) and "A Theory for Cerebral Neocortex" (Chapter 4 in this volume and commented on by Jack Cowan) followed the cerebellum study.
Book Synopsis Cerebral Cortex by : Edmund T. Rolls
Download or read book Cerebral Cortex written by Edmund T. Rolls and published by Oxford University Press. This book was released on 2016 with total page 979 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides insights into the principles of operation of the cerebral cortex. These principles are key to understanding how we, as humans, function. The book includes Appendices on the operation of many of the neuronal networks described in the book, together with simulation software written in Matlab.
Book Synopsis Cerebellar Functions by : J. Bloedel
Download or read book Cerebellar Functions written by J. Bloedel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past few semesters a group of neurologists, neurophysiologists, and brain theorists in various departments of Tlibingen University have gathered periodically in an effort to review ideas and evidence on cerebel lar functions. At times, general solutions seemed close, when credit was given to various theoretical proposals advanced since the early days of cer ebellar physiology, however, it became clear in every case that a large part of the available facts refused to submit to the general ideas. As believers in the power of scientific discussion, we felt that the time was ripe for posing the problem of the cerebellum once more to a well articulated group of specialists that would include proponents of every disparate point of view. The sponsorship of the Max Planck Society and of the Deutsche Forschungsgemeinschaft, to whom we express our profound gratitude, made it possible to organize an international meeting in Septem ber, 1983. The aim of making new, even extravagant ideas palatable to each other was well accomplished by the participants. We trust that some of the ensuing excitement has been carried over into the printed version.
Book Synopsis Cerebellar Dentate Nucleus by : V. Chan-Palay
Download or read book Cerebellar Dentate Nucleus written by V. Chan-Palay and published by Springer. This book was released on 2013-12-20 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent physiologic investigations have shown that the deep cerebellar nuclei may play an important role in the initiation and monitoring of skilled move ments. Much of this physiologic work has been carried out in the absence of a secure foundation in neuroanatomical information. Although the main sources of the afferent fibers and the major terminations of the efferent fibers related to these nuclei have been known for many years, remarkably little information about the organization of the nuclei themselves has been collected. The kinds of nerve cells, their arrangement within the nuclei, the patterns of their dendritic arborizations, the distribution of incoming fibers among the neurons, the relationship between the outgoing nerve fibers and the nerve cells from which they originate - these and many other morphologic features were either unknown or only superficially explored. In fact, so little was known about the deep cerebellar nuclei when I began to work on this subject that the investigations reported here are virtually without antecedents, a refreshing change from the cerebellar cortex which has been repeatedly and exhaustively surveyed. My studies on the cerebellar nuclei began in the spring of 1972. They were initiated with the intent of applying the principles of analysis that had been developed for the cerebellar cortex to a different but related part of the brain.
Book Synopsis Cerebral and Cerebellar Cortex by : Stavros J. Baloyannis
Download or read book Cerebral and Cerebellar Cortex written by Stavros J. Baloyannis and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cerebral and Cerebellar Cortex - Interaction and Dynamics in Health and Disease discusses several important issues of cerebro-cerebellar collaboration and interactions. The morphological and functional study of the cerebral and cerebellar cortices and their interaction has considerable value for interpreting the clinical phenomenology of cortical degenerations in the initial stage of the disease. In addition, the analysis of cerebro-cerebellar interactions strongly supports the concept of the close functional unity and harmonization of the brain and the cerebellum, underlining the important role that the cerebellar cortex plays in the performance of higher mental faculties, creativity, emotional processes, and homeostatic equilibrium of the human body.
Book Synopsis The Cerebral Circulation by : Marilyn J. Cipolla
Download or read book The Cerebral Circulation written by Marilyn J. Cipolla and published by Biota Publishing. This book was released on 2016-07-28 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.
Book Synopsis Cerebral and Cerebellar Cortex by : Stavros J. Baloyannis
Download or read book Cerebral and Cerebellar Cortex written by Stavros J. Baloyannis and published by BoD – Books on Demand. This book was released on 2021-09-15 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cerebral and Cerebellar Cortex – Interaction and Dynamics in Health and Disease discusses several important issues of cerebro-cerebellar collaboration and interactions. The morphological and functional study of the cerebral and cerebellar cortices and their interaction has considerable value for interpreting the clinical phenomenology of cortical degenerations in the initial stage of the disease. In addition, the analysis of cerebro-cerebellar interactions strongly supports the concept of the close functional unity and harmonization of the brain and the cerebellum, underlining the important role that the cerebellar cortex plays in the performance of higher mental faculties, creativity, emotional processes, and homeostatic equilibrium of the human body.
Book Synopsis The Cerebellum as a Neuronal Machine by : John C. Eccles
Download or read book The Cerebellum as a Neuronal Machine written by John C. Eccles and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has had a three-fold origin, corresponding to the discoveries made by the three authors and their collaborators during the last few years - mostly since 1962. A most fruitful symposium on the cerebellum was held in Tokyo at the time of the International Physiological Congress in September 1965, and there was then formulated the project of writing this book so as to organize all this new knowledge and make it readily available, and to give opportunity for the con ceptual developments that may be seen in Chapters XI, XII and XV in particular. The present account of the physiological properties of the cerebellar cortex is based to a large extent on systematic investigations that were concerned with discovering the mode of operation of the constituent neuronal elements of the cerebellar cortex. This work was carried out in the Physiology Department of the Australian National University from 1963 to 1966 in collaboration with several visiting scientists - initially Drs. ANDERSEN, OscARssaN and VooRHOEVE and later Drs. LuNAs, SAsAKI and STRATA - to all of whom grateful thanks are extended for a great many of the figures, and even more significantly for the original and critical contributions that they made to so many aspects of this exploration into the mode of operation of the neural machinery of the cerebellar cortex.
Book Synopsis The Cerebellum Revisited by : Rodolfo Llinas
Download or read book The Cerebellum Revisited written by Rodolfo Llinas and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is organized into three parts that correspond with the main groups of chapters delivered during the Cajal Centenary Meeting on The Neutron Doctrine. These chapters represent important aspects of the morphology, development, and function of the cerebellum and related structures. Clearly an exhaustive analysis of all aspects of the cerebellar system, as they relate to the legacy of Ramon y Cajal, would be impossible to contain in just one volume, given its far-reaching impact. Instead, we deliberately steered away from the traditional handbook approach that some of us have taken in the past and selected those aspects of cerebellar research currently under vigorous study that would also represent the widest scope of interest for neuroscientists in general and for cerebellar specialists in particular. In particular, we felt that as the discrete anatomy of the cerebellum is quite well known, only certain aspects of the structure should be discussed here. For example, the organization of the pontocerebellar pathways, we felt, would be particularly interesting given the enormity of the system in higher vertebrates. Also of interest is the distribution and development of the synaptology and neurotransmitter properties in this cortex. Indeed, from the point of view of cerebellar development, this may represent one of the clearest paradigms in the understanding of rules for neurogenesis for the central nervous system.
Book Synopsis Cerebellar Disorders by : Mario Ubaldo Manto
Download or read book Cerebellar Disorders written by Mario Ubaldo Manto and published by Cambridge University Press. This book was released on 2010-03-25 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last three decades, many laboratories worldwide have dedicated their research activities to understanding the roles of the cerebellum in motor control, cognitive processes and the biology of mental processes, behavioral symptoms and emotion. These advances have been associated with discoveries of new clinical disorders, in particular in the field of genetic ataxias, and the growing number of diseases presents a source of difficulty for clinicians during daily practice. This practical guide summarizes and evaluates current knowledge in the field of cerebellar disorders. Encompassing details of both common and uncommon cerebellar ataxias, including vascular, immune, neoplastic, infectious, traumatic, toxic and inherited disorders, this book will assist clinicians in the diagnosis and management of the full spectrum of cerebellar ataxias encountered in daily practice. Essential reading for clinicians, including general practitioners, neurologists, pediatricians, radiologists, psychiatrists and neuropsychologists, this will also prove a valuable tool for students, trainees and researchers.
Book Synopsis Cerebellum and Neuronal Plasticity by : M. Glickstein
Download or read book Cerebellum and Neuronal Plasticity written by M. Glickstein and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Cerebellum and Cognition written by and published by Academic Press. This book was released on 1997-10-02 with total page 709 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cerebellum and Cognition pulls together a preeminent group of authors. The cerebellum has been previously considered as a highly complex structure involved only with motor control. The cerebellum is essential to nonmotor functions, and recent research has revealed new medically important roles of the cerebellum and cognitive processes. Selected for inclusion in Doody's Core Titles 2013, an essential collection development tool for health sciences libraries Comprehensive coverage of cerebellum in motor control and cognition New developments regarding the cerebellum and motor systems Therapeutic implications of cerebellar contributions to cognition Preeminent group of contributors
Book Synopsis Advances in Cerebellar Cortex Research and Application: 2013 Edition by :
Download or read book Advances in Cerebellar Cortex Research and Application: 2013 Edition written by and published by ScholarlyEditions. This book was released on 2013-06-21 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Cerebellar Cortex Research and Application: 2013 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about ZZZAdditional Research in a concise format. The editors have built Advances in Cerebellar Cortex Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about ZZZAdditional Research in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Cerebellar Cortex Research and Application: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Book Synopsis Cerebellum as a CNS Hub by : Hidehiro Mizusawa
Download or read book Cerebellum as a CNS Hub written by Hidehiro Mizusawa and published by Springer Nature. This book was released on 2021-11-10 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the 75th Fujihara Seminar held in December 2018 in Tokyo, Japan, this volume explores the latest research on the cerebellum. Contributors seek to examine the cerebellum's role as a unique hub for brain activity and discover new information about its purpose. The discussion is broad, ranging from evolutionary topics to therapeutic strategy and addresses both physiology and pathology. Subjects covered include anatomy, information processing, complex spikes, plasticity, modeling, and spinocerebellar ataxias. The volume is intended to set the stage for the future of cerebellar research and guide both basic and clinical researchers.
Download or read book Cerebellar Learning written by and published by Elsevier. This book was released on 2014-06-07 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in Brain Research is the most acclaimed and accomplished series in neuroscience, firmly established as an extensive documentation of the advances in contemporary brain research. The volumes, some of which are derived from important international symposia, contain authoritative reviews and original articles by invited specialists. The rigorous editing of the volumes assures that they will appeal to all laboratory and clinical brain research workers in the various disciplines: neuroanatomy, neurophysiology, neuropharmacology, neuroendocrinology, neuropathology, basic neurology, biological psychiatry, and the behavioral sciences. This volume, The Cerebellum and Memory Formation: Structure, Computation and Function, covers topics including feedback control of cerebellar learning; cortico-cerebellar organization and skill acquisition; cerebellar plasticity and learning in the oculomotor system, and more. Leading authors review the state-of-the-art in their field of investigation, and provide their views and perspectives for future research The volume reflects current thinking about the ways in which the cerebellum can engage in learning, and the contributors come from a variety of research fields The chapters express perspectives from different levels of analysis that range from molecular and cellular mechanisms through to long-range systems that allow the cerebellum to communicate with other brain areas
Book Synopsis The Cerebellum, Epilepsy, and Behavior by : Irving Cooper
Download or read book The Cerebellum, Epilepsy, and Behavior written by Irving Cooper and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: In cats anesthetized lightly with pentobarbital or alpha-chloralose, electrical stimulation of the paramedian lobule of cerebellum resulted in a change of EEG pattern. Prior to stimulation the pattern consisted of h igh-ampl itude slow waves with superimposed low-ampl itude fast activity. In addition, the EEGs of animals anesthetized with chloralose showed "chloralose spikes". Immediately following brief cerebellar stimulation the slow wave activity and spikes disappeared, leaving only low-voltage fast activity. The effect was most pronounced in the contralateral leads from the rostral portions of the cerebrum. Study of the parameters most effective in evoking this effect revealed that stimulation frequency, train duration, and probably pulse duration affected the duration of suppression in a sigmoid fashion, with inflection points at approximately 90 Hz, 2.5 sec, and 1 msec, respectively. Above threshold values, stimulation cur rent showed an approximately linear relationship to duration of EEG sup pression. The after-discharge resulting from focal electrical stimulation of the cerebral cortex could be shortened by electrical stimulation of the para median lobule. The effect was essentially the same when cerebellar stim ulation preceded, occurred during, or followed the cerebral cortical stim ulation. The great variability of the after-discharge resulting from cerebral cortical stimulation as well as the variability of the effects of cerebellar stimulation made it impractical to study systematically the parameters op timal for shorten ing after-discharge. Such a study wi II require use of an awake, preferably partially restrained animal with electrodes chronically implanted.
