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Author: Ai-Ling Lin
Publisher: Frontiers Media SA
ISBN: 2889639053
Category : Science
Languages : en
Pages : 242
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Book Description
Author: Ai-Ling Lin
Publisher: Frontiers Media SA
ISBN: 2889639053
Category : Science
Languages : en
Pages : 242
Get Book Here
Book Description
Author: Ai-Ling Lin
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
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.
Author: Alison D. Murray
Publisher: Elsevier Health Sciences
ISBN: 1455742945
Category : Medical
Languages : en
Pages : 136
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Book Description
Dementia is a massive and increasing global problem, with the current prevalence anticipated to double every 20 years as people live longer. Neuroimaging in dementia is recommended by most clinical guidelines and its role has traditionally been to exclude a mass lesion, rather than to support a specific diagnosis. All radiologists will be aware of a steady rise in the number of requests for brain imaging in old people, but what can imaging reliably tell us and what kind of imaging should we use? In affluent societies we now have a range of structural and molecular brain imaging techniques at our disposal, with specific ligands and sophisticated image analysis techniques now available for clinical use. However, we have difficulty justifying which patients to scan, using which modality and when. We know that Alzheimer’s disease is the most common neuropathology contributing to a diagnosis of Alzheimer’s disease but we also know from large post-mortem studies that most brain pathology in those who have died with a diagnosis of dementia is mixed. Thus understanding different diseases that can cause dementia, how these co-exist or interact and appreciating that not all dementia is Alzheimer’s disease is important. Equally important is awareness of individual differences in response to a neuropathological burden and what factors provide resilience against dementia that might be maximized to reduce or postpone its impact. This issue draws together contributions from experts in their fields to provide clarity to the topic in a comprehensive collection of articles.
Author: Stephanie Ann Schultz
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 238
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Book Description
Age-related cognitive decline and pathological brain changes are a widespread and growing public health issue. Several environmental factors, including engagement in physical activity and personality, have been shown to have potential protective effects in slowing cognitive decline and preserving healthy brain aging. However, the underlying mechanisms providing exercise- or personality-induced resilience to aging and disease remains largely unknown. Importantly, there has been an emergence of several novel biomarkers to study healthy brain aging and age-related neurodegenerative diseases including in vivo assessments of tau burden and brain metabolism via positron emission tomography (PET) imaging and neurofilament light chain (NfL), a marker of neurodegeneration, via Age-related cognitive decline and pathological brain changes are a widespread and growing public health issue. Several environmental factors, including engagement in physical activity and personality, have been shown to have potential protective effects in slowing cognitive decline and preserving healthy brain aging. However, the underlying mechanisms providing exercise- or personality-induced resilience to aging and disease remains largely unknown. Importantly, there has been an emergence of several novel biomarkers to study healthy brain aging and age-related neurodegenerative diseases including in vivo assessments of tau burden and brain metabolism via positron emission tomography (PET) imaging and neurofilament light chain (NfL), a marker of neurodegeneration, via blood-based biomarkers. During the first part of my thesis research, I examined these emerging biomarkers within healthy aging and AD cohorts at Washington University, in the Australian Imaging, Biomarkers, and Lifestyle (AIBL) cohort, and in the Dominantly Inherited Alzheimer Network (DIAN) observational study (Chapters 2 - 5). For the second part of my thesis research, I first used my new knowledge and experience with these biomarkers to characterize and determine the influence of physical activity on cerebral glucose metabolism (Chapter 6). Next, to better translate these findings to an exercise intervention in the future, I further completed a pilot study to determine feasibility and validity of performing a submaximal exercise protocol in a diverse US population (Chapter 7). For the third part of my thesis research, I discovered a cross-sectional association between personality traits and neurofibrillary tangle pathology. Taken together, the results from my thesis suggest utility in all three emerging biomarkers examined (tau-PET, blood-based NfL, and multi-tracer brain metabolism PET) for monitoring and understanding complex changes associated with brain aging and disease. Additionally, this thesis research adds to the current understanding of the potential role of increased physical activity in preservation of glycolytic metabolism in the aging brain and increased risk of AD-related tau pathophysiology in neurotic personality traits. Further research extending these findings to longitudinal studies are needed to help determine directionality of the observed effects.
Author: Mony J. de Leon
Publisher: Wiley-Blackwell
ISBN:
Category : Medical
Languages : en
Pages : 316
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Book Description
Advances in imaging are occurring at a brisk pace, and imaging techniques have great potential to act as pre-symptomatic predictors of disease as well as to chart the course of a disease. Neuroimaging has greatly advanced the understanding of brain function and its relationship to the anatomical substrate. This volume brings together internationally renowned imaging scientists, those studying the aging brain, industry experts, and clinicians to jointly examine the most current methods and their application to brain physiology, behavior, and age-related diseases. These reports explore new technologies, data from recent neuroimaging initiatives, and translational research applications. Topics covered include (1) in vivo imaging of molecules, cells, and networks throughout the lifespan, (2) cutting edge imaging technologies and studies of the physiology of aging, (3) translational application of neuroimaging, and (4) emerging technologies in the private sector. This volume is the proceedings of a meeting that celebrated the 25th anniversary of the American Federation for Aging Research and its longstanding history of philanthropy in the area of aging research. NOTE: Annals volumes are available for sale as individual books or as a journal. For information on institutional journal subscriptions, please visit www.blackwellpublishing.com/nyas. ACADEMY MEMBERS: Please contact the New York Academy of Sciences directly to place your order (www.nyas.org). Members of the New York Academy of Science receive full-text access to the Annals online and discounts on print volumes. Please visit www.nyas.org/membership for more information about becoming a member.
Author: Tapan Khan
Publisher: Academic Press
ISBN: 0128051477
Category : Psychology
Languages : en
Pages : 278
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Book Description
Biomarkers in Alzheimer’s Disease provides a comprehensive overview of all modalities of Alzheimer’s disease biomarkers, including neuroimaging, cerebrospinal fluid, genomic, and peripheral systems. Each chapter integrates molecular/cellular abnormality due to Alzheimer’s disease and technological advancement of biomarkers techniques. The book is ideal for clinical neuroscience and molecular/cellular neuroscience researchers, psychiatrists, and allied healthcare practitioners involved in the diagnosis and management of patients with cognitive impairment and Alzheimer’s disease, and for differential diagnosis of Alzheimer’s disease with other non-Alzheimer’s dementia. Presents a comprehensive overview detailing all modalities of Alzheimer’s disease biomarkers Written for neuroscience researchers and clinicians studying or treating patients with Alzheimer’s Disease Integrates, in each chapter, the molecular/cellular abnormality due to Alzheimer’s disease and the technological advancement of biomarkers techniques
Author: Erika Jane Starks
Publisher:
ISBN:
Category :
Languages : en
Pages : 390
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Book Description
Dementia due to Alzheimer’s disease (AD) is a devastating condition characterized clinically by progressive cognitive impairment and pathologically by amyloid plaques, neurofibrillary tangles and severe atrophy. Diabetes mellitus (DM), obesity, and associated insulin resistance in middle age, are linked to a greater risk of developing dementia due to AD. Given the potential of modifying metabolic risk factors at midlife, my research explored the pathophysiological mechanisms involved in the link between insulin resistance and obesity at middle-age and AD pathology using molecular and imaging biomarkers. Specifically, my studies aimed to investigate the potential effect of metabolic risk factors on the accumulation of amyloid plaques and neurofibrillary tangles, alter brain structure and blood flow, and influence cognition in middle age. The first study was conducted to assess the effects of insulin resistance on cognitive decline over a 4-10 year period, and demonstrated that indeed, insulin resistance is associated with cognitive trajectories. The next three studies were aimed at identifying changes in AD biomarkers in CSF and brain imaging as predicted by insulin resistance, body mass index and abdominal obesity. The main findings indicate that elevated insulin resistance at midlife may affect amyloid processing as indicated by altered CSF levels, as well as acting via a tau-related mechanism, an effect that differed by APOE [epsilon]4 genotype. Given that tau in CSF is likely originating from axons, this finding was followed up by a neuroimaging study employing diffusion tensor imaging to examine the effects of insulin resistance and APOE [epsilon]4 on neural microstructure. Similar to the findings in CSF, the effects of insulin resistance on microstructure differed by APOE [epsilon]4 genotype. Finally, my studies of abdominal obesity suggest that this risk factor is not associated with amyloid or tau pathology as measured in CSF, nor microstructural changes, yet central obesity was associated with moderate effects on cerebral blood flow. In conclusion, the work presented in my thesis demonstrates a robust effect of insulin resistance on cognitive and biomarker outcomes in midlife, which may explain the increased risk of developing AD.
Author: Heiko Braak
Publisher: Springer
ISBN: 3319126792
Category : Medical
Languages : en
Pages : 168
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Book Description
As indicated by its title, this monograph deals chiefly with morphologically recognizable deviations from the normal anatomical condition of the human CNS. The AD-associated pathology is illustrated from its beginnings (sometimes even in childhood) to its final form, which is reached late in life. The AD process commences much earlier than the clinically recognizable phase of the disorder, and its timeline includes an extended preclinical phase. The further the pendulum swings away from the symptomatic final stages towards the early pathology, the more obvious the lesions become, although from a standpoint of severity they are more unremarkable and thus frequently overlooked during routine neuropathological assessment. For this reason, the authors deal with the hallmark lesions in the early phases of the AD process in considerable detail
Author: Frederik Barkhof
Publisher: Springer Science & Business Media
ISBN: 3642008186
Category : Medical
Languages : en
Pages : 295
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Book Description
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.
Author: Juerg Hodler
Publisher: Springer Nature
ISBN: 303038490X
Category : Medical
Languages : en
Pages : 252
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Book Description
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.
