Download or read book Quantifying Neurochemical Changes in Early Alzheimer s Disease written by Katrina Cruickshank and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Alzheimer’s disease (AD) is a neurodegenerative disorder that advances through a unique cascade of characteristic neuropathological features. Distinguishing features include the accumulation of amyloid beta plaques and neurofibrillary tangles (NFTs) in the brain, accompanied by learning and memory impairments. The disease is projected to begin years-to-decades before clinical diagnosis. Accordingly, prodromal biomarkers are a necessity with early diagnosis as the goal. Neurochemical measures obtained via non-invasive brain imaging have potential to serve as early, AD biomarkers. Evidence suggests that alterations in the concentrations of certain metabolites are related to inflammation. It is known that while inflammation is ubiquitous in the progressed disease state, it is also apparent during initial stages. Of interest, a paradoxical increase in neuronal activity during early stages of AD has been noted, with a suspected link to an initial inflammatory response via proinflammatory cytokines. Early evidence suggests that alongside their role in immune mediation, cytokines play a critical part in maintaining optimal synaptic activity, and that early deviations from this role may contribute directly to downstream AD pathogenesis. Therefore, as magnetic resonance spectroscopy (MRS) has the capacity to noninvasively quantify neurochemical concentrations, it is an appropriate tool to pinpoint early fluctuations associated with inflammation and elevated cytokine activation.A greater understanding of AD requires an improved appreciation for its initial evolution. This requires, not only investigation into potential preclinical, neurochemical biomarkers, but furthermore, an examination into any parallel cognitive deficits. This project investigated prodromal AD in a transgenic (Tg) rodent model from early adulthood to middle age. It utilized in vivo proton magnetic resonance spectroscopy (1H MRS) to assess longitudinal changes in neurochemistry and the Barnes maze (BM) to evaluate spatial learning and memory. The central research objective was the longitudinal characterization of neurochemistry and behaviour in the TgF344-AD rodent model during the initial disease state, to highlight abnormalities that precede diagnosable AD.The study was conducted from approximately 4 to 10 months of age, in both TgF344-AD rats and their wildtype (WT) controls. Five evenly spaced magnetic resonance (MR) scans were acquired during this time (1 every 6 weeks), in addition to three sessions of behavioural testing (1 every 2 months). The BM was implemented to test spatial learning and memory ability, and longitudinal changes in metabolic levels were evaluated through linear mixed effects modeling.Altered neurochemistry was recorded between genotypes and across time in prodromal stages of AD. More specifically, Tg rats had significantly lower levels of glutamine (Gln), a precursor to glutamate (Glu), following disease initiation and increasing with age. In addition, with time Glu levels fell and myo-inositol (Ins) levels rose, independent of genotype. N-acetyl aspartate (NAA), reportedly reduced at later stages of AD, remained unchanged in Tg relative to WT rats. Neurochemical changes were not accompanied by a significant loss in cognitive ability, and thus appear to precede characteristic cognitive impairments.This research demonstrates that altered neurochemistry materializes in early AD and occurs before the onset of measurable behavioural deficits. A better understanding of preclinical AD requires further investigation into the relationship between neurochemistry, cognition, neuroanatomy, and the concentrations of proinflammatory mediators. Consequently, this could contribute to novel diagnostic and treatment techniques through the identification of reliable, early biomarkers"--

Download or read book A Multidisciplinary Approach to Capability in Age and Ageing written by Hanna Falk Erhag and published by Springer Nature. This book was released on 2022-01-10 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book provides insight on how to interpret capability in ageing – one’s individual ability to perform actions in order to reach goals one has reason to value – from a multidisciplinary approach. With for the first time in history there being more people in the world aged 60 years and over than there are children below the age of 5, the book describes this demographic trends as well as the large global challenges and important societal implications this will have such as a worldwide increase in the number of persons affected with dementia, and in the ratio of retired persons to those still in the labor market. Through contributions from many different research areas, it discussed how capability depends on interactions between the individual (e.g. health, genetics, personality, intellectual capacity), environment (e.g. family, friends, home, work place), and society (e.g. political decisions, ageism, historical period). The final chapter summarizes the differences and similarities in these contributions. As such this book provides an interesting read for students, teachers and researchers at different levels and from different fields interested in capability and multidisciplinary research.

Download or read book Neural Plasticity and Memory written by Federico Bermudez-Rattoni and published by CRC Press. This book was released on 2007-04-17 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive, multidisciplinary review, Neural Plasticity and Memory: From Genes to Brain Imaging provides an in-depth, up-to-date analysis of the study of the neurobiology of memory. Leading specialists share their scientific experience in the field, covering a wide range of topics where molecular, genetic, behavioral, and brain imaging techniq

Download or read book Basic Neurochemistry written by R. Wayne Albers and published by Academic Press. This book was released on 2011-11-02 with total page 1121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Basic Neurochemistry, Eighth Edition, is the updated version of the outstanding and comprehensive classic text on neurochemistry. For more than forty years, this text has been the worldwide standard for information on the biochemistry of the nervous system, serving as a resource for postgraduate trainees and teachers in neurology, psychiatry, and basic neuroscience, as well as for medical, graduate, and postgraduate students and instructors in the neurosciences. The text has evolved, as intended, with the science. This new edition continues to cover the basics of neurochemistry as in the earlier editions, along with expanded and additional coverage of new research from intracellular trafficking, stem cells, adult neurogenesis, regeneration, and lipid messengers. It contains expanded coverage of all major neurodegenerative and psychiatric disorders, including the neurochemistry of addiction, pain, and hearing and balance; the neurobiology of learning and memory; sleep; myelin structure, development, and disease; autism; and neuroimmunology. Completely updated text with new authors and material, and many entirely new chapters Over 400 fully revised figures in splendid color 61 chapters covering the range of cellular, molecular and medical neuroscience Translational science boxes emphasizing the connections between basic and clinical neuroscience Companion website at http://elsevierdirect.com/companions/9780123749475

Download or read book The Cerebral Cortex in Neurodegenerative and Neuropsychiatric Disorders written by David F. Cechetto and published by Academic Press. This book was released on 2016-10-14 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cerebral Cortex in Neurodegenerative and Neuropsychiatric Disorders: Experimental Approaches to Clinical Issues focuses on how pre-clinical investigations are addressing the clinical issues surrounding the involvement of the cerebral cortex in selected conditions of the nervous system, including Alzheimer’s Disease, Parkinson’s, addiction, and cardiovascular dysregulation. Each chapter is written by an expert in his/her field who provides a comprehensive review of the clinical manifestations of cortical involvement and experimental techniques currently available to tackle cortical issues in disease. Thus, this present title provides a link between cortical clinical problems and investigational approaches to help foster future research with high translational value. Offers a comprehensive overview on the best available in vivo and in vitro models to study cortical involvement Presents models and specific techniques that help to guide investigators in their choices on how to address research questions experimentally Provides expert commentary and a perspective on future trends at the end of each chapter Addresses translational advances and promising therapeutic options Includes references to key articles for additional detailed study

Download or read book Handbook of Magnetic Resonance Spectroscopy In Vivo written by Paul A. Bottomley and published by John Wiley & Sons. This book was released on 2016-10-19 with total page 1231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook covers the entire field of magnetic resonance spectroscopy (MRS), a unique method that allows the non-invasive identification, quantification and spatial mapping of metabolites in living organisms–including animal models and patients. Comprised of three parts: Methodology covers basic MRS theory, methodology for acquiring, quantifying spectra, and spatially localizing spectra, and equipment essentials, as well as vital ancillary issues such as motion suppression and physiological monitoring. Applications focuses on MRS applications, both in animal models of disease and in human studies of normal physiology and disease, including cancer, neurological disease, cardiac and muscle metabolism, and obesity. Reference includes useful appendices and look up tables of relative MRS signal-to-noise ratios, typical tissue concentrations, structures of common metabolites, and useful formulae. About eMagRes Handbooks eMagRes (formerly the Encyclopedia of Magnetic Resonance) publishes a wide range of online articles on all aspects of magnetic resonance in physics, chemistry, biology and medicine. The existence of this large number of articles, written by experts in various fields, is enabling the publication of a series of eMagRes Handbooks on specific areas of NMR and MRI. The chapters of each of these handbooks will comprise a carefully chosen selection of eMagRes articles. In consultation with the eMagRes Editorial Board, the eMagRes Handbooks are coherently planned in advance by specially-selected Editors, and new articles are written to give appropriate complete coverage. The handbooks are intended to be of value and interest to research students, postdoctoral fellows and other researchers learning about the scientific area in question and undertaking relevant experiments, whether in academia or industry. Have the content of this handbook and the complete content of eMagRes at your fingertips! Visit the eMagRes Homepage

Download or read book MR Spectroscopy of Pediatric Brain Disorders written by Stefan Blüml and published by Springer Science & Business Media. This book was released on 2012-12-02 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic resonance spectroscopy (MRS) is a modality available on most clinical MR scanners and readily integrated with standard MR imaging (MRI). For the brain in particular, MRS has been a powerful research tool providing additional clinically relevant information for several disease families such as brain tumors, metabolic disorders, and systemic diseases. The most widely-available MRS method, proton (1H; hydrogen) spectroscopy, is FDA approved for general use in the US and can be ordered by clinicians for patient studies if indicated. There are several books available that describe applications of MRS in adults. However, to the best of our knowledge there is currently no book available that focuses exclusively on applications in pediatrics. MR spectroscopy in the pediatric population is different from adults for two main reasons. Particularly in the newborn phase the brain undergoes biochemical maturation with dramatic changes of the "normal" biochemical fingerprint. Secondly, brain diseases in the pediatric population are different from adult disorders. For example, brain tumors, which are mostly gliomas in the adults, often originate from different cell types and are also more diverse even within the same type and grade of tumor. This diversity of diseases and its implications for MR spectroscopy has not been addressed sufficiently in the literature, we believe. The target audience for "MR Spectroscopy of Pediatric Brain Disorders" are thus both clinicians and researchers involved with pediatric brain disorders. This includes radiologists, neurologists, neurooncologists, neurosurgeons, and more broadly the neuroscience and neurobiology community. This book will provide the necessary background information to understand the basics of MR spectroscopy. This will be followed by a detailed discussion of the normal biochemical maturation which will highlight the metabolic differences between the pediatric and adult brain. Thereafter, in SECTION I individual chapters will address various pediatric brain disease families. Of particular importance for pediatrics are case studies. For that reason, SECTION II will contain a large number of case studies. This will be particularly important for clinicians who may want to see examples of MRS for various conditions. A standardized format will be used for case reports that allow the reader to quickly understand the history of each case presented and the significance of the findings. The case reports will also include information from other imaging modalities to point out any added value of MRS in addition to conventional studies and clinical information. This section is necessary because the format of providing more complete information about individual patients is not practical for the chapters in SECTION I.

Download or read book Biomarkers for Traumatic Brain Injury written by Svetlana Dambinova and published by Royal Society of Chemistry. This book was released on 2012 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to injuries sustained in sports and in combat, interest in traumatic brain injury (TBI) has never been greater. This book will fulfill a gap in understanding of what is occurring in the brain following injury that can subsequently be detected in biological fluids and imaging.

Download or read book Novel Biomarkers in Alzheimer rsquo s Disease written by Chiara Villa and published by MDPI. This book was released on 2021-02-05 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alzheimer’s disease (AD) represents the most common form of dementia in the elderly population worldwide. AD is characterized by progressive neurodegeneration that leads to a gradual deterioration of memory and other cognitive functions. Given the global prevalence and impact of AD, there is a critical need to establish biomarkers that can be used to detect AD in individuals before the onset of clinical signs and provide mitigating therapeutics. The aim of this Special Issue is to discuss the current knowledge as well as future perspectives on the role of biomarkers in the screening, diagnosis, treatment and follow-up of AD.

Download or read book Early Diagnosis of Alzheimer s Disease written by Leonard F. M. Scinto and published by Springer Science & Business Media. This book was released on 2000-02-09 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drs. Leonard Scinto and Kirk Daffner provide a comprehensive survey of new diagnostic approaches to Alzheimer's disease. The authoritative contributors critically survey the most promising current research on early diagnostic markers for Alzheimer's disease, including the elucidation of changes in the brain revealed by structural and functional neuroimaging, as well as the characteristic patterns of cognitive decline that are documented by sensitive neuropsychological tests, various genetic markers, and biological assays. Early Diagnosis of Alzheimer's Disease illuminates the complex issues surrounding the search for early markers of this increasingly widespread disease. It will establish a new standard reference guide for all those working with Alzheimer's patients.

Download or read book Bathing Without a Battle written by Ann Louise Barrick PhD and published by Springer Publishing Company. This book was released on 2008-03-10 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: 2008 AJN Book of the Year Winner! Like its popular predecessor, the new edition of Bathing Without a Battle presents an individualized, problem-solving approach to bathing and personal care of individuals with dementia. On the basis of extensive original research and clinical experience, the editors have developed strategies and techniques that work in both institution and home settings. Their approach is also appropriate for caregiving activities other than bathing, such as morning and evening care, and for frail elders not suffering from dementia. For this second edition, the authors have included historical material on bathing and substantially updated the section on special concerns, including: Pain Skin care Determining the appropriate level of assistance Transfers The environment An enhanced final section addresses ways to support caregivers by increasing their understanding of the care recipient's needs and their knowledge of interventions to improve care and comfort. It also emphasizes self-care and system-level changes to promote person-directed care. Several chapters include specific insights and wisdom from direct caregivers.

Download or read book Neuroimaging in Dementia written by Frederik Barkhof and published by Springer Science & Business Media. This book was released on 2011-02-11 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date, superbly illustrated book is a practical guide to the effective use of neuroimaging in the patient with cognitive decline. It sets out the key clinical and imaging features of the various causes of dementia and directs the reader from clinical presentation to neuroimaging and on to an accurate diagnosis whenever possible. After an introductory chapter on the clinical background, the available "toolbox" of structural and functional neuroimaging techniques is reviewed in detail, including CT, MRI and advanced MR techniques, SPECT and PET, and image analysis methods. The imaging findings in normal ageing are then discussed, followed by a series of chapters that carefully present and analyze the key findings in patients with dementias. Throughout, a practical approach is adopted, geared specifically to the needs of clinicians (neurologists, radiologists, psychiatrists, geriatricians) working in the field of dementia, for whom this book will prove an invaluable resource.

Download or read book Diseases of the Brain Head and Neck Spine 2020 2023 written by Juerg Hodler and published by Springer Nature. This book was released on 2020-02-14 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book offers an essential overview of brain, head and neck, and spine imaging. Over the last few years, there have been considerable advances in this area, driven by both clinical and technological developments. Written by leading international experts and teachers, the chapters are disease-oriented and cover all relevant imaging modalities, with a focus on magnetic resonance imaging and computed tomography. The book also includes a synopsis of pediatric imaging. IDKD books are rewritten (not merely updated) every four years, which means they offer a comprehensive review of the state-of-the-art in imaging. The book is clearly structured and features learning objectives, abstracts, subheadings, tables and take-home points, supported by design elements to help readers navigate the text. It will particularly appeal to general radiologists, radiology residents, and interventional radiologists who want to update their diagnostic expertise, as well as clinicians from other specialties who are interested in imaging for their patient care.

Download or read book Clinical Topics in Old Age Psychiatry written by Julian C. Hughes and published by Cambridge University Press. This book was released on 2020-09-17 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of important current subjects in old age psychiatry, demonstrating the depth and breadth of the speciality.

Download or read book Reducing the Impact of Dementia in America written by National Academies of Sciences Engineering and Medicine and published by . This book was released on 2022-04-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: As the largest generation in U.S. history - the population born in the two decades immediately following World War II - enters the age of risk for cognitive impairment, growing numbers of people will experience dementia (including Alzheimer's disease and related dementias). By one estimate, nearly 14 million people in the United States will be living with dementia by 2060. Like other hardships, the experience of living with dementia can bring unexpected moments of intimacy, growth, and compassion, but these diseases also affect people's capacity to work and carry out other activities and alter their relationships with loved ones, friends, and coworkers. Those who live with and care for individuals experiencing these diseases face challenges that include physical and emotional stress, difficult changes and losses in their relationships with life partners, loss of income, and interrupted connections to other activities and friends. From a societal perspective, these diseases place substantial demands on communities and on the institutions and government entities that support people living with dementia and their families, including the health care system, the providers of direct care, and others. Nevertheless, research in the social and behavioral sciences points to possibilities for preventing or slowing the development of dementia and for substantially reducing its social and economic impacts. At the request of the National Institute on Aging of the U.S. Department of Health and Human Services, Reducing the Impact of Dementia in America assesses the contributions of research in the social and behavioral sciences and identifies a research agenda for the coming decade. This report offers a blueprint for the next decade of behavioral and social science research to reduce the negative impact of dementia for America's diverse population. Reducing the Impact of Dementia in America calls for research that addresses the causes and solutions for disparities in both developing dementia and receiving adequate treatment and support. It calls for research that sets goals meaningful not just for scientists but for people living with dementia and those who support them as well. By 2030, an estimated 8.5 million Americans will have Alzheimer's disease and many more will have other forms of dementia. Through identifying priorities social and behavioral science research and recommending ways in which they can be pursued in a coordinated fashion, Reducing the Impact of Dementia in America will help produce research that improves the lives of all those affected by dementia.

Download or read book The Cambridge Handbook of Cognitive Aging written by Ayanna K. Thomas and published by Cambridge University Press. This book was released on 2020-05-28 with total page 1019 pages. Available in PDF, EPUB and Kindle. Book excerpt: Decades of research have demonstrated that normal aging is accompanied by cognitive change. Much of this change has been conceptualized as a decline in function. However, age-related changes are not universal, and decrements in older adult performance may be moderated by experience, genetics, and environmental factors. Cognitive aging research to date has also largely emphasized biological changes in the brain, with less evaluation of the range of external contributors to behavioral manifestations of age-related decrements in performance. This handbook provides a comprehensive overview of cutting-edge cognitive aging research through the lens of a life course perspective that takes into account both behavioral and neural changes. Focusing on the fundamental principles that characterize a life course approach - genetics, early life experiences, motivation, emotion, social contexts, and lifestyle interventions - this handbook is an essential resource for researchers in cognition, aging, and gerontology.

Download or read book Neurobiology of Alzheimer s Disease written by David Dawbarn and published by Oxford University Press. This book was released on 2007-05-03 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Alzheimer's disease is the most common form of dementia in the elderly; 450,000 people in the UK and 4.5 million people in the USA suffer with this disease. This 3rd edition of Neurobiology of Alzheimer's Disease gives a comprehensive and readable introduction to the disease, from molecular pathology to clinical practice. The book is intended for readers new to the field, and it also covers an extensive range of themes for those with in-depth knowledge of Alzheimer's disease. It will therefore act either as an introduction to the whole field of neurodegeneration or it will help experienced researchers to access the latest research in specialist topics. Each chapter is written by eminent scientists leading their fields in neuropathology, clinical practice and molecular neurobiology; appendices detail disease-associated proteins, their sequences, familial mutations and known structures. It will be essential reading for students interested in neurodegeneration and for researchers and clinicians, giving a coherent and cohesive approach to the whole area of research, and allowing access at different levels. For those in the pharmaceutical industry it describes the underlying molecular mechanisms involved in the pathogenesis of Alzheimer's disease and explains how current and potential therapeutics may work.