[PDF] Brain Organoids Modeling In Neuroscience eBook
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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
This volume explores multiple methods and approaches used to generate human brain and neuroretinal organoids to address fundamental questions in human brain research. The chapters in this book cover topics such as self-organizing brain organoids with ventricles amenable to injection and electroporation; visualization of 3D organoids though the latest advancements in microscopy; generation of 3D retinal tissue with physiologically competent, light-sensitive photoreceptors; modeling brain tumors using genetically edited brain organoids; and brain organoids as a model to study Zika virus and SARS-CoV-2 infections. In the Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Comprehensive and cutting-edge, Brain Organoid Research is a valuable resource for researchers at various levels of learning, ranging from undergraduate students, early researchers, and advanced laboratories. This book aims to be instrumental in moving this developing field forward.
The diseases of central nervous system (CNS) usually are of complex and diverse etiologies, and could be further complicated by variable genetic, epigenetic and environmental factors that differ among individuals. The complexity and delicacy of human brain make it challenging to recapitulate its: · Development, · Function and · Disorders. Brain organoids derived from human pluripotent stem cells (PSCs) provide a new tool to model both normal and pathological human brain, and greatly enhance our ability to study brain biology and diseases. Currently, human brain organoids are increasingly used in modeling neurological disorders and relative therapeutic discovery. An attempt has been made in this Booklet to focus on recent advances in human brain organoid system and its application in disease modeling and to discuss the limitations and future perspective of human brain organoids in modeling neurological diseases. ……. Dr. H. K. Saboowala.M.B.(Bom) M.R.S.H.(London)
This detailed volume presents validated and well-adapted procedures involving humanized and/or stem cell-based neural model systems that have proven helpful in better understanding the essential brain functions involved in the pathogenesis of brain disorders. The book explores the generation of multiple neural cell types in 2D and 3D as well as cutting-edge techniques to assay neural function. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step and readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Stem Cell-Based Neural Model Systems for Brain Disorders serves as an essential resource for researchers and students in neuroscience, stem cell biology, and related fields.
This volume elucidates the pivotal ethical and legal issues arising from the use of brain organoids for research, therapeutic and enhancement purposes. The function of the human brain is still a mystery. Until recently, only post-mortem tissue was available for a structural examination of the brain. Consequently, the examination results could only reflect the state at the end of life. However, in order to better understand the development and function of the human brain, dynamic and functional investigations of different human brain cells are necessary. This is where brain organoids, artificially grown in vitro miniature brains, provide the opportunity for more flexible research scenarios. At the same time, however, the use of brain organoids in research and therapy raises the question of how these new entities are to be treated from an ethical and legal point of view. Against this background, this volume aims at clarifying the normative implications of the use of brain organoids in research and therapy. The ethical reflections on the status of brain organoids, informed consent, human-to-animal chimeras and neuro-enhancement are mirrored by corresponding legal analyses. The ethical and legal assessments are preceded by an introduction to the scientific and medical background of the brain organoid technology. A final chapter will be devoted to the issue of whether international harmonization of normative standards for brain organoid research and therapy is feasible and advisable.
The book is a compendium of the aforementioned subclass of models of Basal Ganglia, which presents some the key existent theories of Basal Ganglia function. The book presents computational models of basal ganglia-related disorders, including Parkinson’s disease, schizophrenia, and addiction. Importantly, it highlights the applications of understanding the role of the basal ganglia to treat neurological and psychiatric disorders. The purpose of the present book is to amend and expand on James Houk’s book (MIT press; ASIN: B010BF4U9K) by providing a comprehensive overview on computational models of the basal ganglia. This book caters to researchers and academics from the area of computational cognitive neuroscience.
Foreword by Walter J. Freeman. The induction of unconsciousness using anesthetic agents demonstrates that the cerebral cortex can operate in two very different behavioral modes: alert and responsive vs. unaware and quiescent. But the states of wakefulness and sleep are not single-neuron properties---they emerge as bulk properties of cooperating populations of neurons, with the switchover between states being similar to the physical change of phase observed when water freezes or ice melts. Some brain-state transitions, such as sleep cycling, anesthetic induction, epileptic seizure, are obvious and detected readily with a few EEG electrodes; others, such as the emergence of gamma rhythms during cognition, or the ultra-slow BOLD rhythms of relaxed free-association, are much more subtle. The unifying theme of this book is the notion that all of these bulk changes in brain behavior can be treated as phase transitions between distinct brain states. Modeling Phase Transitions in the Brain contains chapter contributions from leading researchers who apply state-space methods, network models, and biophysically-motivated continuum approaches to investigate a range of neuroscientifically relevant problems that include analysis of nonstationary EEG time-series; network topologies that limit epileptic spreading; saddle--node bifurcations for anesthesia, sleep-cycling, and the wake--sleep switch; prediction of dynamical and noise-induced spatiotemporal instabilities underlying BOLD, alpha-, and gamma-band Hopf oscillations, gap-junction-moderated Turing structures, and Hopf-Turing interactions leading to cortical waves.
The International Workingmen’s Association was the prototype of all organizations of the Labour movement and the 150th anniversary of its birth (1864-2014) offers an important opportunity to rediscover its history and learn from its legacy. The International helped workers to grasp that the emancipation of labour could not be won in a single country but was a global objective. It also spread an awareness in their ranks that they had to achieve the goal themselves, through their own capacity for organization, rather than by delegating it to some other force; and that it was essential to overcome the capitalist system itself, since improvements within it, though necessary to pursue, would not eliminate exploitation and social injustice. This book reconsider the main issues broached or advanced by the International – such as labor rights, critiques of capitalism and the search for international solidarity – in light of present-day concerns. With the recent crisis of capitalism, that has sharpened more than before the division between capital and labour, the political legacy of the organization founded in London in 1864 has regained profound relevance, and its lessons are today more timely than ever. This book was published as a special issue of Socialism and Democracy.
Fifteen of the foremost scientists in this field presented testable theoretical models of consciousness and discussed how our understanding of the role that consciousness plays in our cognitive processes is being refined with some surprising results.