Synaptic Tagging And Capture
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Synaptic Tagging And Capture
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Author : Sreedharan Sajikumar
language : en
Publisher: Springer Nature
Release Date :
Synaptic Tagging And Capture written by Sreedharan Sajikumar and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Role Of Synaptic Tagging And Capture For Memory Dynamics In Spiking Neural Networks
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Author : Jannik Luboeinski
language : en
Publisher:
Release Date : 2021-09-02
The Role Of Synaptic Tagging And Capture For Memory Dynamics In Spiking Neural Networks written by Jannik Luboeinski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-02 with Science categories.
Memory serves to process and store information about experiences such that this information can be used in future situations. The transfer from transient storage into long-term memory, which retains information for hours, days, and even years, is called consolidation. In brains, information is primarily stored via alteration of synapses, so-called synaptic plasticity. While these changes are at first in a transient early phase, they can be transferred to a late phase, meaning that they become stabilized over the course of several hours. This stabilization has been explained by so-called synaptic tagging and capture (STC) mechanisms. To store and recall memory representations, emergent dynamics arise from the synaptic structure of recurrent networks of neurons. This happens through so-called cell assemblies, which feature particularly strong synapses. It has been proposed that the stabilization of such cell assemblies by STC corresponds to so-called synaptic consolidation, which is observed in humans and other animals in the first hours after acquiring a new memory. The exact connection between the physiological mechanisms of STC and memory consolidation remains, however, unclear. It is equally unknown which influence STC mechanisms exert on further cognitive functions that guide behavior. On timescales of minutes to hours (that means, the timescales of STC) such functions include memory improvement, modification of memories, interference and enhancement of similar memories, and transient priming of certain memories. Thus, diverse memory dynamics may be linked to STC, which can be investigated by employing theoretical methods based on experimental data from the neuronal and the behavioral level. In this thesis, we present a theoretical model of STC-based memory consolidation in recurrent networks of spiking neurons, which are particularly suited to reproduce biologically realistic dynamics. Furthermore, we combine the STC mechanisms with calcium dynamics, which have been found to guide the major processes of early-phase synaptic plasticity in vivo. In three included research articles as well as additional sections, we develop this model and investigate how it can account for a variety of behavioral effects. We find that the model enables the robust implementation of the cognitive memory functions mentioned above. The main steps to this are: 1. demonstrating the formation, consolidation, and improvement of memories represented by cell assemblies, 2. showing that neuromodulator-dependent STC can retroactively control whether information is stored in a temporal or rate-based neural code, and 3. examining interaction of multiple cell assemblies with transient and attractor dynamics in different organizational paradigms. In summary, we demonstrate several ways by which STC controls the late-phase synaptic structure of cell assemblies. Linking these structures to functional dynamics, we show that our STC-based model implements functionality that can be related to long-term memory. Thereby, we provide a basis for the mechanistic explanation of various neuropsychological effects. Keywords: synaptic plasticity; synaptic tagging and capture; spiking recurrent neural networks; memory consolidation; long-term memory
The Role Of Synaptic Tagging And Capture For Memory Dynamics In Spiking Neural Networks
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Author : Jannik Luboeinski
language : en
Publisher:
Release Date : 2021
The Role Of Synaptic Tagging And Capture For Memory Dynamics In Spiking Neural Networks written by Jannik Luboeinski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Memory serves to process and store information about experiences such that this information can be used in future situations. The transfer from transient storage into long-term memory, which retains information for hours, days, and even years, is called consolidation. In brains, information is primarily stored via alteration of synapses, so-called synaptic plasticity. While these changes are at first in a transient early phase, they can be transferred to a late phase, meaning that they become stabilized over the course of several hours. This stabilization has been explained by so-called syn...
Learning And Memory A Comprehensive Reference
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Author :
language : en
Publisher: Academic Press
Release Date : 2017-07-07
Learning And Memory A Comprehensive Reference written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-07 with Medical categories.
Learning and Memory: A Comprehensive Reference, Second Edition is the authoritative resource for scientists and students interested in all facets of learning and memory. This updated edition includes chapters that reflect the state-of-the-art of research in this area. Coverage of sleep and memory has been significantly expanded, while neuromodulators in memory processing, neurogenesis and epigenetics are also covered in greater detail. New chapters have been included to reflect the massive increase in research into working memory and the educational relevance of memory research. No other reference work covers so wide a territory and in so much depth. Provides the most comprehensive and authoritative resource available on the study of learning and memory and its mechanisms Incorporates the expertise of over 150 outstanding investigators in the field, providing a ‘one-stop’ resource of reputable information from world-leading scholars with easy cross-referencing of related articles to promote understanding and further research Includes further reading for each chapter that helps readers continue their research Includes a glossary of key terms that is helpful for users who are unfamiliar with neuroscience terminology
The Oxford Handbook Of Neuronal Protein Synthesis
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Author : Wayne S. Sossin
language : en
Publisher: Oxford University Press
Release Date : 2021
The Oxford Handbook Of Neuronal Protein Synthesis written by Wayne S. Sossin 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 2021 with Science categories.
This handbook is currently in development, with individual articles publishing online in advance of print publication. At this time, we cannot add information about unpublished articles in this handbook, however the table of contents will continue to grow as additional articles pass through the review process and are added to the site. Please note that the online publication date for this handbook is the date that the first article in the title was published online.
Novel Mechanisms Of Memory
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Author : Karl Peter Giese
language : en
Publisher: Springer
Release Date : 2015-12-09
Novel Mechanisms Of Memory written by Karl Peter Giese and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-09 with Medical categories.
This book integrates discoveries from recent years to show the diversity of molecular mechanisms that contribute to memory consolidation, reconsolidation, extinction, and forgetting. It provides a special focus on the processes that govern functional and structural plasticity of dendritic spines. In nine chapters, new and important ideas related to learning and memory processes will be presented. Themes discussed include the role of AMPA receptors in memory, two signalling cascades involved in local spine remodelling and memory, the role of extracellular matrix proteins in memory, the regulation of gene expression and protein translation, and mechanisms of retrieval-induced memory modulation and forgetting. We believe that the study of these topics represents a great step toward understanding the complexity of the brain and the processes it governs.
Homeostatic Control Of Brain Function
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Author : Detlev Boison
language : en
Publisher: Oxford University Press
Release Date : 2016
Homeostatic Control Of Brain Function written by Detlev Boison 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 2016 with Medical categories.
Homeostatic Control of Brain Function offers a broad view of brain health and diverse perspectives for potential treatments, targeting key areas such as mitochondria, the immune system, epigenetic changes, and regulatory molecules such as ions, neuropeptides, and neuromodulators. Loss of homeostasis becomes expressed as a diverse array of neurological disorders. Each disorder has multiple comorbidities - with some crossing over several conditions - and often disease-specific treatments remain elusive. When current pharmacological therapies result in ineffective and inadequate outcomes, therapies to restore and maintain homeostatic functions can help improve brain health, no matter the diagnosis. Employing homeostatic therapies may lead to future cures or treatments that address multiple comorbidities. In an age where brain diseases such as Alzheimer's or Parkinson's are ever present, the incorporation of homeostatic techniques could successfully promote better overall brain health. Key Features include · A focus on the homeostatic controls that significantly depend on the way one lives, eats, and drinks. · Highlights from emerging research in non-pharmaceutical therapies including botanical medications, meditation, diet, and exercise. · Incorporation of homeostatic therapies into existing basic and clinical research paradigms. · Extensive scientific basic and clinical research ranging from molecules to disorders. · Emerging practical information for improving homeostasis. · Examples of homeostatic therapies in preventing and delaying dysfunction. Both editors, Detlev Boison and Susan Masino, bring their unique expertise in homeostatic research to the overall scope of this work. This book is accessible to all with an interest in brain health; scientist, clinician, student, and lay reader alike.
Neurotrophins
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Author :
language : en
Publisher: Academic Press
Release Date : 2017-02-15
Neurotrophins written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-15 with Science categories.
Neurotrophins, the latest volume in the Vitamins and Hormones series first published in 1943, and the longest-running serial published by Academic Press, provides up-to-date information on crystal structures and basic structural studies on neurotrophins and their receptors, neurotrophin functions, and the biological actions of neurotrophins related to clinical conditions and disease. Each volume is thoroughly reviewed and focuses on a single molecule or disease that is related to vitamins or hormones, with the topic broadly interpreted to include related substances such as transmitters, cytokines, growth factors, and others. Provides cutting-edge reviews concerning the molecular and cellular biology of vitamins and hormones Contains expertise from world-renowned contributors Focuses on a single molecule or disease that is related to vitamins or hormones, with the topic broadly interpreted to include related substances such as transmitters, cytokines, growth factors, and others Presents in-depth, current information from the molecular to clinical level
Essence Of Memory
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Author : Wayne S. Sossin
language : en
Publisher: Elsevier
Release Date : 2008-04-28
Essence Of Memory written by Wayne S. Sossin and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-28 with Science categories.
This selection of reviews gives an up-to-date picture of memory research. Great progress has been made in identifying the memory trace at the molecular and cellular level and individual reviews address the major mechanisms by which changes in synaptic strength can persist. Exciting research at the systems level is also reviewed including the growing importance of changes in inhibitory interneurons and how they play a role in memory formation. Finally, reviews present cognitive and neurobiological models of human memory that explain, characterize and organize the act of memory within a coherent framework. * Provides an unique overview that covers all perspectives and methodological approaches to memory * Broad coverage of memory research from molecular to human studies in one source * Up-to-date reviews give the latest important ideas on memory formation
Mechanisms Of Neural Circuit Formation
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Author : Joshua A. Weiner
language : en
Publisher: Frontiers Media SA
Release Date : 2015-01-30
Mechanisms Of Neural Circuit Formation written by Joshua A. Weiner and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-30 with Neural circuitry categories.
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