Cortex
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The Cortex And The Critical Point
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Author : John M. Beggs
language : en
Publisher: MIT Press
Release Date : 2022-08-30
The Cortex And The Critical Point written by John M. Beggs and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-30 with Science categories.
How the cerebral cortex operates near a critical phase transition point for optimum performance. Individual neurons have limited computational powers, but when they work together, it is almost like magic. Firing synchronously and then breaking off to improvise by themselves, they can be paradoxically both independent and interdependent. This happens near the critical point: when neurons are poised between a phase where activity is damped and a phase where it is amplified, where information processing is optimized, and complex emergent activity patterns arise. The claim that neurons in the cortex work best when they operate near the critical point is known as the criticality hypothesis. In this book John Beggs—one of the pioneers of this hypothesis—offers an introduction to the critical point and its relevance to the brain. Drawing on recent experimental evidence, Beggs first explains the main ideas underlying the criticality hypotheses and emergent phenomena. He then discusses the critical point and its two main consequences—first, scale-free properties that confer optimum information processing; and second, universality, or the idea that complex emergent phenomena, like that seen near the critical point, can be explained by relatively simple models that are applicable across species and scale. Finally, Beggs considers future directions for the field, including research on homeostatic regulation, quasicriticality, and the expansion of the cortex and intelligence. An appendix provides technical material; many chapters include exercises that use freely available code and data sets.
The Definitive Guide To The Arm Cortex M3
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Author : Joseph Yiu
language : en
Publisher: Elsevier
Release Date : 2011-04-08
The Definitive Guide To The Arm Cortex M3 written by Joseph Yiu and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-08 with Technology & Engineering categories.
This user's guide does far more than simply outline the ARM Cortex-M3 CPU features; it explains step-by-step how to program and implement the processor in real-world designs. It teaches readers how to utilize the complete and thumb instruction sets in order to obtain the best functionality, efficiency, and reuseability. The author, an ARM engineer who helped develop the core, provides many examples and diagrams that aid understanding. Quick reference appendices make locating specific details a snap! Whole chapters are dedicated to: Debugging using the new CoreSight technologyMigrating effectively from the ARM7 The Memory Protection Unit Interfaces, Exceptions,Interrupts ...and much more!*The only available guide to programming and using the groundbreaking ARM Cortex-M3 processor *Easy-to-understand examples, diagrams, quick reference appendices, full instruction and Thumb-2 instruction sets are all included *The author, an ARM engineer on the M3 development team, teaches end users how to start from the ground up with the M3, and how to migrate from the ARM7
Cerebral Cortex
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Author : Philip S. Ulinski
language : en
Publisher: Springer Science & Business Media
Release Date : 1999-02-28
Cerebral Cortex written by Philip S. Ulinski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-02-28 with Medical categories.
This volume is devoted to mathematical models of the cortex. Computational models of individual neurons and ensembles of neurons are increasingly used in research on cortical organization and function. This is, in part, because of the now ubiquitous presence of powerful and affordable computers. The volume begins with a short history of models of cortical neurons and circuitry that introduces the principal modeling styles. An attempt has been made throughout the volume to make it accessible to readers with minimal mathematical backgrounds.
Comparative Structure And Evolution Of Cerebral Cortex
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Author : Edward G. Jones
language : en
Publisher: Springer Science & Business Media
Release Date : 1990-10-31
Comparative Structure And Evolution Of Cerebral Cortex written by Edward G. Jones and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-10-31 with Medical categories.
The cerebral cortex, especially that part customarily designated "neocortex," is one of the hallmarks of mammalian evolution and reaches its greatest size, relatively speaking, and its widest structural diversity in the human brain. The evolution of this structure, as remarkable for the huge numbers of neurons that it contains as for the range of behaviors that it controls, has been of abiding interest to many generations of neuroscientists. Yet few theories of cortical evo lution have been proposed and none has stood the test of time. In particular, no theory has been successful in bridging the evolutionary gap that appears to exist between the pallium of nonmammalian vertebrates and the neocortex of mam mals. Undoubtedly this stems in large part from the rapid divergence of non mammalian and mammalian forms and the lack of contemporary species whose telencephalic wall can be seen as having transitional characteristics. The mono treme cortex, for example, is unquestionably mammalian in organization and that of no living reptile comes close to resembling it. Yet anatomists such as Ramon y Cajal, on examining the finer details of cortical structure, were struck by the similarities in neuronal form, particularly of the pyramidal cells, and their predisposition to laminar alignment shared by representatives of all vertebrate classes.
Cerebral Cortex
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Author : Alan Peters
language : en
Publisher: Springer Science & Business Media
Release Date : 1999-09-30
Cerebral Cortex written by Alan Peters and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-09-30 with Medical categories.
This volume of Cerebral Cortex is dedicated to Sir John Eccles, who was an active member of the advisory board for the series until his death in May 1997. His input as to what topics should be covered in future volumes of this series will be sorely missed. The present volume is concerned with neurodegenerative disorders and age related changes in the structure and function of the cerebral cortex, a topic that has attracted increasing interest as longevity and the number of aged individuals in the population increase. Although much of the research on the neurodegenerative effects of aging has been centered on Alzheimer's disease, most of the aging popu lation will not be afflicted by this disease. They will, however, be affected by the consequences of normal aging, so the first few chapters of this volume are con cerned with that topic. Chapter 1, by Marilyn S. Albert and Mark B. Moss, gives an account of the cognitive changes that accompany normal human aging. Chapter 2, by Mark B.
Excitatory Amino Acids And The Cerebral Cortex
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Author : Fiorenzo Conti
language : en
Publisher: MIT Press
Release Date : 1996
Excitatory Amino Acids And The Cerebral Cortex written by Fiorenzo Conti and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Medical categories.
It has recently become clear that the excitatory amino acids and their receptors are critically linked to normal processes of development and synaptic transmission, and to learning and memory, as well as to identifiable disease processes such as Alzheimer's disease, epilepsy, and cortical damage due to stroke/ischemia. Moreover, the pharmacological nature and chemical structures of many of the receptors and binding sites for these synaptic mediators and their modulators are becoming known, thereby enabling the cloning of each receptor subtype. Such advances may help immeasurably in the identification of endogenous ligands for the amino acid receptors and the development of pharmaceuticals and other therapeutic interventions in coming years.
The Orbitofrontal Cortex
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Author : Edmund T. Rolls
language : en
Publisher:
Release Date : 2019
The Orbitofrontal Cortex written by Edmund T. Rolls and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Medical categories.
'The Orbitofrontal Cortex' explores a part of the brain that is important in human emotion, pleasure, decision-making, valuation, and personality. The book is unique in providing a coherent multidisciplinary approach to understanding the functions of one of the most interesting regions of the human brain, in both health and in disease.
Acetylcholine In The Cerebral Cortex
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Author : L. Descarries
language : en
Publisher: Elsevier
Release Date : 2004
Acetylcholine In The Cerebral Cortex written by L. Descarries and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Medical categories.
Comprehensive exposé, by leading neuroscientists, of current knowledge on the neurotransmitter acetylcholine in the cerebral cortex. All aspects of the subject are covered, from its most elementary, at the molecular and cellular levels, to its systemic and holistic implications, including its role in cognition and involvement in human diseases and therapeutics. The twenty-two chapters are grouped under four main headings : I. Functional Morphology of the Acetylcholine Innervation in Cerebral Cortex (Including Hippocampus); II. Modes of Action of Acetylcholine in the Cerebral Cortex; III. Cortical Properties and Functions Modulated by Acetylcholine, and IV. Clinical, Pathological and Therapeutic Implications. This broad perspective updates the reader on recent advances and future trends in the study of a major neuromodulatory system in brain.
Cerebral Cortex
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Author : Edmund T. Rolls
language : en
Publisher: Oxford University Press
Release Date : 2018-01-26
Cerebral Cortex written by Edmund T. Rolls and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-26 with Science categories.
The aim of this book is to provide insight into the principles of operation of the cerebral cortex. These principles are key to understanding how we, as humans, function. There have been few previous attempts to set out some of the important principles of operation of the cortex, and this book is pioneering. The book goes beyond separate connectional neuroanatomical, neurophysiological, neuroimaging, neuropsychiatric, and computational neuroscience approaches, by combining evidence from all these areas to formulate hypotheses about how and what the cerebral cortex computes. As clear hypotheses are needed in this most important area of 21st century science, how our brains work, I have formulated a set of hypotheses about the principles of cortical operation to guide thinking and future research. The book focusses on the principles of operation of the cerebral cortex, because at this time it is possible to propose and describe many principles, and many are likely to stand the test of time, and provide a foundation for further developments, even if some need to be changed. In this context, I have not attempted to produce an overall theory of operation of the cerebral cortex, because at this stage of our understanding, such a theory would be incorrect or incomplete. However, many of the principles described will provide the foundations for more complete theories of the operation of the cerebral cortex. This book is intended to provide a foundation for future understanding, and it is hoped that future work will develop and add to these principles of operation of the cerebral cortex. The book includes Appendices on the operation of many of the neuronal networks described in the book, together with simulation software written in Matlab.
Cerebral Cortex
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Author : Edward G. Jones
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Cerebral Cortex written by Edward G. Jones and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The cerebral cortex, especially that part customarily designated "neocortex," is one of the hallmarks of mammalian evolution and reaches its greatest size, relatively speaking, and its widest structural diversity in the human brain. The evolution of this structure, as remarkable for the huge numbers of neurons that it contains as for the range of behaviors that it controls, has been of abiding interest to many generations of neuroscientists. Yet few theories of cortical evo lution have been proposed and none has stood the test of time. In particular, no theory has been successful in bridging the evolutionary gap that appears to exist between the pallium of non mammalian vertebrates and the neocortex of mam mals. Undoubtedly this stems in large part from the rapid divergence of non mammalian and mammalian forms and the lack of contemporary species whose telencephalic wall can be seen as having transitional characteristics. The mono treme cortex, for example, is unquestionably mammalian in organization and that of no living reptile comes close to resembling it. Yet anatomists such as Ramon y Cajal, on examining the finer details of cortical structure, were struck by the similarities in neuronal form, particularly of the pyramidal cells, and their predisposition to laminar alignment shared by representatives of all vertebrate classes.