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Author: Shiva K. Tyagarajan
Publisher: Frontiers Media SA
ISBN: 2889717666
Category : Science
Languages : en
Pages : 171
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Book Description
Author: Shiva K. Tyagarajan
Publisher: Frontiers Media SA
ISBN: 2889717666
Category : Science
Languages : en
Pages : 171
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Book Description
Author: Adam C. Errington
Publisher: Springer
ISBN: 149391426X
Category : Medical
Languages : en
Pages : 301
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Book Description
GABA is the principal inhibitory neurotransmitter in the CNS and acts via GABAA and GABAB receptors. Recently, a novel form of GABAA receptor-mediated inhibition, termed “tonic” inhibition, has been described. Whereas synaptic GABAA receptors underlie classical “phasic” GABAA receptor-mediated inhibition (inhibitory postsynaptic currents), tonic GABAA receptor-mediated inhibition results from the activation of extrasynaptic receptors by low concentrations of ambient GABA. Extrasynaptic GABAA receptors are composed of receptor subunits that convey biophysical properties ideally suited to the generation of persistent inhibition and are pharmacologically and functionally distinct from their synaptic counterparts. This book highlights ongoing work examining the properties of recombinant and native extrasynaptic GABAA receptors and their preferential targeting by endogenous and clinically relevant agents. In addition, it emphasizes the important role of extrasynaptic GABAA receptors in GABAergic inhibition throughout the CNS and identifies them as a major player in both physiological and pathophysiological processes.
Author: Xin Tang
Publisher: Academic Press
ISBN: 0128153199
Category : Medical
Languages : en
Pages : 768
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Book Description
In the past several years, there has been an exciting body of new research that links impairments in the expression or function of neuronal chloride transporters to a growing number of diseases spanning from autism to brain aging. This book introduces the core concepts and highlights the recent advances in understanding the physiology and pathophysiology of the KCC and NKCC families of neuronal chloride transporters. Neuronal chloride transporter biology is reviewed, including roles in setting the transmembrane chloride gradient and the chloride transport-independent functions, such as regulating excitatory neurotransmission. Chapters are also dedicated to addressing the structure, post-translational modification, membrane trafficking, and protein interaction partners of neuronal chloride transporters, as well as the genetic and environmental factors that regulate their expression in neurons and the novel therapeutic approaches that target neuronal chloride transporters to treat neurological diseases. This new volume will provide readers with an up-to-date summary of the recent advances in neuronal chloride transporter research, with particular emphasis on some of the key emerging topics in the field. - Summarizes roles of KCCs and NKCCs in regulating inhibitory and excitatory neurotransmission - Reviews the molecular and cellular biology of neuronal chloride transporters - Links neuronal chloride transporter deficiencies to autism, epilepsy, depression, and more - Identifies role of transporter deficiencies in pain as well as brain and spinal cord injury - Discusses drug research targeting neuronal chloride transporters for nervous system diseases
Author: April A. Benasich
Publisher: MIT Press
ISBN: 0262545721
Category : Science
Languages : en
Pages : 339
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Book Description
Experts explore the maturation of nonlinear brain dynamics from a developmental perspective and consider the relationship of neurodevelopmental disorders to early disruption in dynamic coordination. This volume in the Strüngmann Forum Reports series explores the complex mechanisms that accompany the dynamic processes by which the brain evolves and matures. Integrating perspectives from multiple disciplines, the book identifies knowledge gaps and proposes innovative ways forward for this emerging area of cross-disciplinary study. The contributors examine maturation of nonlinear brain dynamics across systems from a developmental perspective and relate these organizing networks to the establishment of normative cognition and pathology seen in many neurodevelopmental disorders. The book looks at key mechanistic questions, including: What role does dynamic coordination play in the establishment and maintenance of brain networks and structural and functional connectivity? How are local and global functional networks assembled and transformed over normative development? To what degree do oscillatory patterns vary across development? What is the impact of critical periods, and which factors initiate and terminate such periods? It also explores the potential of new technologies and techniques to enhance understanding of normative development and to enable early identification and remediation of neurodevelopmental and neuropsychiatric disorders that may result from early disruption in dynamic coordination. Contributors Sylvain Baillet, Yehezkel Ben-Ari, April A. Benasich, Olivier Bertrand, Gyorgy Buzsáki, Alain Chédotal, Sam M. Doesburg, Gordin Fishell, Adriana Galván, Jennifer N. Gelinas, Jay Giedd, Pierre Gressens, Ileana L. Hanganu-Opatz, Rowshanak Hashemiyoon, Takao K. Hensch, Suzana Herculano-Houzel, Mark Hübener, Mark, Matthias Kaschube, Michael S. Kobor, Bryan Kolb, Thorsten Kolling, Jean-Philippe Lachaux, Ulman Lindenberger, Heiko J. Luhmann, Hannah Monyer, Sarah R. Moore, Charles A. Nelson III, Tomáš Paus, Patrick L. Purdon, Pasko Rakic, Urs Ribary, Akira Sawa, Terrence J. Sejnowski, Wolf Singer, Cheryl L. Sisk, Nicholas C. Spitzer, Michael P. Stryker, Migranka Sur, Peter J. Uhlhaas
Author: George C. McConnell
Publisher: Frontiers Media SA
ISBN: 2889714640
Category : Science
Languages : en
Pages : 152
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Book Description
Author: Andrea Barberis
Publisher: Frontiers Media SA
ISBN: 2889197328
Category : Learning
Languages : en
Pages : 177
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Book Description
Learning and memory are believed to depend on plastic changes of neuronal circuits due to activity-dependent potentiation or depression of specific synapses. During the last two decades, plasticity of brain circuits was hypothesized to mainly rely on the flexibility of glutamatergic excitatory synapses, whereas inhibitory synapses were assumed relatively invariant, to ensure stable and reliable control of the neuronal network. As a consequence, while considerable efforts were made to clarify the main mechanisms underlying plasticity at excitatory synapses, the study of the cellular/molecular mechanisms of inhibitory plasticity has received much less attention. Nevertheless, an increasing body of evidence has revealed that inhibitory synapses undergo several types of plasticity at both pre- and postsynaptic levels. Given the crucial role of inhibitory interneurons in shaping network activities, such as generation of oscillations, selection of cell assemblies and signal integration, modifications of the inhibitory synaptic strength represents an extraordinary source of versatility for the fine control of brain states. This versatility also results from the rich diversity of GABAergic neurons in several brain areas, the specific role played by each inhibitory neuron subtype within a given circuit, and the heterogeneity of the properties and modulation of GABAergic synapses formed by specific interneuron classes. The molecular mechanisms underlying the potentiation or depression of inhibitory synapses are now beginning to be unraveled. At the presynaptic level, retrograde synaptic signaling was demonstrated to modulate GABA release, whereas postsynaptic forms of plasticity involve changes in the number/gating properties of GABAA receptors and/or shifts of chloride gradients. In addition, recent research indicates that GABAergic tonic inhibition can also be plastic, adding a further level of complexity to the control of the excitatory/inhibitory balance in the brain. The present Topic will focus on plasticity of GABAergic synapses, with special emphasis on the molecular mechanisms of plasticity induction and/or expression.
Author: Jeffrey Noebels
Publisher: OUP USA
ISBN: 0199746540
Category : Medical
Languages : en
Pages : 1258
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Book Description
Jasper's Basic Mechanisms, Fourth Edition, is the newest most ambitious and now clinically relevant publishing project to build on the four-decade legacy of the Jasper's series. In keeping with the original goal of searching for "a better understanding of the epilepsies and rational methods of prevention and treatment.", the book represents an encyclopedic compendium neurobiological mechanisms of seizures, epileptogenesis, epilepsy genetics and comordid conditions. Of practical importance to the clinician, and new to this edition are disease mechanisms of genetic epilepsies and therapeutic approaches, ranging from novel antiepileptic drug targets to cell and gene therapies.
Author: Yehezkel Ben-Ari
Publisher: Frontiers E-books
ISBN: 2889190846
Category :
Languages : en
Pages : 196
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Book Description
GABAergic neurons provide most of the inhibitory drive of adult networks and play major roles in the integrative properties of brain networks. Alterations of GABAergic signals are associated with major neurological disorders and GABA mimetic drugs are widely used as comfort molecules and to treat several brain disorders. Thus, the inhibitory drive is altered in epilepsies, infantile developmentally related disorders but also Parkinson disease, and anoxo-ischemic insults to just name a few. From the developmental stand point, GABAergic neurons mature before principal neurons and provide an important source of early activities and are thus instrumental in activity dependent modulation of the construction of cortical functional units. The goal of this Research Topic is to bring together experts studying GABA signals at the molecular, cellular and network levels in physiological and pathological conditions and to examine the fate of GABA signals along transversal ideas linking these diverse domains. A particular emphasis is brain maturation as it is now clear that alteration of developmental sequences -notably of GABA signals- impairs brain development leading to life long deleterious neurological sequels. While this Frontiers Research Topic originated as a repository of work presented at CNCR Amsterdam, papers are invited from researchers continuing to work on this topic as the field expands.
Author: Helen E. Scharfman
Publisher: Springer
ISBN: 9401789142
Category : Medical
Languages : en
Pages : 345
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Book Description
This book is dedicated to Dr. Philip A. Schwartzkroin. The book has a novel format because it is not intended to be a set of reviews. Instead, it is an effort to explore important topics in the epilepsy research field. Because articles are written by leaders in the field who have years of experience and individuals with diverse expertise, articles are likely to have a long-lasting impact and be relevant for both epileptologists and neuroscientists. Authors address topics that are important, unresolved questions in the field of epilepsy research, drawing on available data from both the bench and the clinic to support their points. A given topic is addressed by one or more authors, each writing from his/her own unique perspective. For all of the individuals who have been trained or worked with Philip Schwartzkroin in the past and/or have appreciated his contributions to the epilepsy field, this volume is an excellent way to celebrate his achievements and look to the ways they have moved the field forward and continue to stimulate its growth.
Author: Jose Angel Morales-Garcia
Publisher: Frontiers Media SA
ISBN: 2889749088
Category : Science
Languages : en
Pages : 284
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Book Description
