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Visual Agnosia
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Book Synopsis Visual Agnosia, second edition by : Martha J. Farah
Download or read book Visual Agnosia, second edition written by Martha J. Farah and published by MIT Press. This book was released on 2004-04-09 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cognitive neuroscience of human vision draws on two kinds of evidence: functional imaging of normal subjects and the study of neurological patients with visual disorders. Martha Farah's landmark 1990 book Visual Agnosia presented the first comprehensive analysis of disorders of visual recognition within the framework of cognitive neuroscience, and remains the authoritative work on the subject. This long-awaited second edition provides a reorganized and updated review of the visual agnosias, incorporating the latest research on patients with insights from the functional neuroimaging literature. Visual agnosia refers to a multitude of different disorders and syndromes, fascinating in their own right and valuable for what they can tell us about normal human vision. Some patients cannot recognize faces but can still recognize other objects, while others retain only face recognition. Some see only one object at a time; others can see multiple objects but recognize only one at a time. Some do not consciously perceive the orientation of an object but nevertheless reach for it with perfected oriented grasp; others do not consciously recognize a face as familiar but nevertheless respond to it autonomically. Each disorder is illustrated with a clinical vignette, followed by a thorough review of the case report literature and a discussion of the theoretical implications of the disorder for cognitive neuroscience. The second edition extends the range of disorders covered to include disorders of topographic recognition, and both general and selective disorders of semantic memory, as well as expanded coverage of face recognition impairments. Also included are a discussion of the complementary roles of imaging and patient-based research in cognitive neuroscience, and a final integrative chapter presenting the "big picture" of object recognition as illuminated by agnosia research.
Download or read book Visual Agnosia written by Martha J. Farah and published by MIT Press (MA). This book was released on 1995 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brain damage can lead to selective problems with visual perception, including visual agnosia-the inability to recognize objects even though elementary visual functions remain unimpaired. Visual Agnosia reviews all the recent records of this disorder, places these 100 or so case studies in the general context of current neuroscience, and draws relevant conclusions about the organization of normal visual processing.
Book Synopsis The Man Who Mistook His Wife for a Hat by : Oliver Sacks
Download or read book The Man Who Mistook His Wife for a Hat written by Oliver Sacks and published by Vintage. This book was released on 2021-09-14 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: In his most extraordinary book, the bestselling author of Awakenings and "poet laureate of medicine” (The New York Times) recounts the case histories of patients inhabiting the compelling world of neurological disorders, from those who are no longer able to recognize common objects to those who gain extraordinary new skills. Featuring a new preface, Oliver Sacks’s The Man Who Mistook His Wife for a Hat tells the stories of individuals afflicted with perceptual and intellectual disorders: patients who have lost their memories and with them the greater part of their pasts; who are no longer able to recognize people and common objects; whose limbs seem alien to them; who lack some skills yet are gifted with uncanny artistic or mathematical talents. In Dr. Sacks’s splendid and sympathetic telling, his patients are deeply human and his tales are studies of struggles against incredible adversity. A great healer, Sacks never loses sight of medicine’s ultimate responsibility: “the suffering, afflicted, fighting human subject.”
Book Synopsis A Reader in Visual Agnosia by : Glyn Humphreys
Download or read book A Reader in Visual Agnosia written by Glyn Humphreys and published by Psychology Press. This book was released on 2016-01-13 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: The case study of John has provided a unique insight into the nature of visual agnosia and more broadly into the underlying processes which support human vision. After suffering a stroke, John had problems in recognizing common objects, faces, seeing colours, reading and finding his way around his environment. A Reader in Visual Agnosia brings together the primary scientific papers describing the detailed investigations for each visual problem which the authors carried out with John, known as patient HJA. This work was summarised initially in To See But Not To See (1987), and 26 years later in A Case Study in Visual Agnosia Revisited (2013). The chapters are divided into 6 parts corresponding to the key areas of investigation: Integrative visual agnosia Perception of global form Face perception Colour perception Word recognition Changes over time Each part contains a short introduction, written by the two leading researchers who worked with John, which highlights the relations between the papers and demonstrates the pathway of the case analysis. The book will be invaluable to students and researchers in visual cognition, cognitive neuropsychology and vision neuroscience.
Book Synopsis Neurologic Differential Diagnosis by : Alan B. Ettinger
Download or read book Neurologic Differential Diagnosis written by Alan B. Ettinger and published by Cambridge University Press. This book was released on 2014-04-17 with total page 693 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique case-based guide to generating diagnostic possibilities based on the patients' symptoms. Invaluable for psychiatrists and neurologists.
Book Synopsis To See But Not to See by : Glyn W. Humphreys
Download or read book To See But Not to See written by Glyn W. Humphreys and published by Psychology Press. This book was released on 1987 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1987. Routledge is an imprint of Taylor & Francis, an informa company.
Book Synopsis A Case Study in Visual Agnosia Revisited by : Glyn Humphreys
Download or read book A Case Study in Visual Agnosia Revisited written by Glyn Humphreys and published by Psychology Press. This book was released on 2013-10-15 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual agnosia is a rare but fascinating disorder of visual object recognition that can occur after a brain lesion. This book documents the case of John, who worked intensively with the authors for 26 years after acquiring visual agnosia following a stroke. It revisits John’s case over twenty years after it was originally described in the book To See But Not To See, in 1987. As in the previous book, the condition is illuminated by John and his wife, Iris, in their own words. A Case Study in Visual Agnosia Revisited discusses John’s case in the context of research into the cognitive neuroscience of vision over the past twenty years. It shows how John’s problems in recognition can provide important insights into the way that object recognition happens in the brain, with the results obtained in studies of John’s perception being compared to emerging work from brain imaging in normal observers. The book presents a much fuller analysis of the variety of perceptual problems that John experienced, detailing not only his impaired object recognition but also his face processing, his processing of different visual features (colour, motion, depth), his ability to act on and negotiate his environment, and his reading and writing. A Case Study in Visual Agnosia Revisited will be a key reference for those concerned with understanding how vision is implemented in the brain. It will be suitable for both undergraduate students taking courses in cognitive psychology and neuropsychology, and also researchers in the cognitive neuroscience of vision. The presentation of John’s case, and the human aspects of the disorder, will also be of great interest to a general audience of lay people interested in perception.
Book Synopsis The Behavioral and Cognitive Neurology of Stroke by : Olivier Godefroy
Download or read book The Behavioral and Cognitive Neurology of Stroke written by Olivier Godefroy and published by Cambridge University Press. This book was released on 2007-01-18 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: The care of stroke patients has changed dramatically. As well as improvements in the emergency care of the condition, there have been marked advances in our understanding, management and rehabilitation of residual deficits. This book is about the care of stroke patients, focusing on behavioural and cognitive problems. It provides a comprehensive review of the field covering the diagnostic value of these conditions, in the acute and later phases, their requirements in terms of treatment and management and the likelihood and significance of long-term disability. This book will appeal to all clinicians involved in the care of stroke patients, as well as to neuropsychologists, other rehabilitation therapists and research scientists investigating the underlying neuroscience.
Book Synopsis Visual Object Processing by : Glyn W. Humphreys
Download or read book Visual Object Processing written by Glyn W. Humphreys and published by Routledge. This book was released on 2017-03-27 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1987, this book, attempted to bring together work by researchers concerned with the functional and neurological mechanisms underlying visual object processing, and the ways in which such mechanisms can be neurologically impaired. The editors termed it a ‘Cognitive Neuropsychological’ approach, because they believed it tried to relate evidence from neurological impairments of visual object processing to models of normal performance in a new and important way. Two broad aims are apparent. One is to test models of normal performance by evaluating how well the models account for the patterns of impairment and preservation of abilities that can occur following brain damage. The other is to use models of normal performance to further their understanding of acquired disorders of visual object processing. These aims distinguish the approach from neuropsychological work whose primary aim is to relate acquired deficits to the sites of damage, and from work in the field of cognitive psychology which attempts only to develop models of normal performance.
Book Synopsis Rehabilitation of Visual Disorders After Brain Injury by : Josef Zihl
Download or read book Rehabilitation of Visual Disorders After Brain Injury written by Josef Zihl and published by Psychology Press. This book was released on 2010-11-01 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thoroughly updated and extended edition covers the various cerebral visual disorders acquired after brain injury, as well as the rehabilitation techniques used to treat them. These are described within a brain plasticity framework, using data from single and group case studies along with follow up observation data. This original, tailor-made approach also includes the recording of eye movements for assessing scanning performance in scene perception and reading. The book gives a brief synopsis of the historical background on the subject, alongside an outline of intervention designs and methodological difficulties in the field, and goes on to discuss the mechanisms and processes that provide the foundations for recovery of function and successful adaptation in visually impaired patients. The author concludes by analyzing the importance of the procedures and outcomes of treatments to the reduction of patients’ visual handicaps. The new edition also contains an appendix with recommendations on the case histories, diagnostics and treatments. It is ideal reading for students in clinical neuropsychology, as well as professionals in the fields of neurology, visual neuroscience and rehabilitation experts.
Download or read book Visual Agnosia written by Martha J. Farah and published by Bradford Books. This book was released on 1990 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual Agnosia is a comprehensive and up-to-date review of disorders of higher vision that relates these disorders to current conceptions of higher vision from cognitive science, illuminating both the neuropsychological disorders and the nature of normal visual object recognition.Brain damage can lead to selective problems with visual perception, including visual agnosia the inability to recognize objects even though elementary visual functions remain unimpaired. Such disorders are relatively rare, yet they provide a window onto how the normal brain might accomplish the complex task of vision. Visual Agnosia reviews a century of case studies of higher-level visual deficits following brain damage, places them in the general context of current neuroscience, and draws relevant conclusions about the organization of normal visual processing. It is unique in drawing on research in cognitive psychology, computational vision, visual neurophysiology, and neuropsychology to interpret the agnosias and draw inferences from them about visual object recognition.Following a historical account of agnosia research, Visual Agnosia offers a taxonomy of a wide range of agnosia syndromes, describing and interpreting the syndromes in terms of the latest theoretical models of visual processing and ultimately bringing them to bear as evidence on a variety of questions in the study of higher vision.Martha J. Farah is Associate Professor of Psychology at Carnegie Mellon University. Visual Agnosia is included in the Issues in Biology of Language and Cognition series, edited by John Marshall.
Book Synopsis To See But Not To See: A Case Study Of Visual Agnosia by : Glyn W. Humphreys
Download or read book To See But Not To See: A Case Study Of Visual Agnosia written by Glyn W. Humphreys and published by Psychology Press. This book was released on 2013-10-28 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brain damage may sometimes cause specific impairments in human behaviour. One rare impairment is the failure to recognize everyday objects by sight, a problem which is termed "visual agnosia". In this book, the authors discuss the case of a patient,
Book Synopsis Neuropsychology for Occupational Therapists by : Linda Maskill
Download or read book Neuropsychology for Occupational Therapists written by Linda Maskill and published by John Wiley & Sons. This book was released on 2017-04-17 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neuropsychology for Occupational Therapists is a bestselling, comprehensive guide to the assessment and rehabilitation of impaired cognitive function and brain damage. Divided into two parts, the first introduces the fundamental role cognition has in occupational performance, before moving on to examine the theoretical frameworks behind cognitive rehabilitation. The second part covers the key components of each cognitive function, including attention, visual perception, movement, memory, and executive functions, and the disorders associated with them. Revised throughout, this invaluable new edition includes: Updated theory and evidence base of neuropsychology Frameworks and guidelines for assessment and intervention in practice Updated content on attention, memory and executive functions A new chapter on cognitive function in later years, and working with people to maintain cognitive health. Written in a clear and engaging style by an experienced author team of academic occupational therapists, with contributions from expert practising clinicians, it is full of a range of learning features, including case studies, summaries, and reflective activities, as well as for the first time narratives of the lived experience of cognitive impairment. Neuropsychology for Occupational Therapists is essential reading for students, newly qualified practitioners, and all those who work within neuropsychology and cognitive rehabilitation.
Book Synopsis Neuropsychology of Visual Perception by : Jason W. Brown
Download or read book Neuropsychology of Visual Perception written by Jason W. Brown and published by Routledge. This book was released on 2017-03-27 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1989, this sourcebook for anatomic studies in the neuropsychology of visual perception contains chapters on disorders of visual agnosias, impaired object perception and spatial neglect, and abnormal visual imagery. The neurological basis of visual perception and the disorders that result from brain damage are discussed. At the time the chapters in this volume constituted a state of the art survey in this area and provided data that were essential for the development of models of normal image and object formation.
Download or read book BORB written by Jane M. Riddoch and published by Psychology Press. This book was released on 2022-04-09 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: BORB provides a set of standardised procedures for assessing neuropsychological disorders of visual object recognition, based on tests developed in the cognitive neuropsychological literature. The tests are introduced in terms of cognitive neuropsychological analyses of object recognition, and guidance is given concerning test use and interpretation. The tests assess low-level aspects of visual perception (using same-different matching of basic perceptual features, such as orientation, length, position and object size), intermediate visual processes (e.g., matching objects different in viewpoint), access to stored perceptual knowledge about objects (object decision), access to semantic knowledge (function and associative matches) and access to names from object (picture naming). BORB will serve as an invaluable companion test battery to the PALPA test of language ability.
Book Synopsis The Neurobiology of Cognition and Behavior by : John Hart, Jr.
Download or read book The Neurobiology of Cognition and Behavior written by John Hart, Jr. and published by Oxford University Press. This book was released on 2016 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Neurobiology of Cognition and Behavior" is one of the initial textbooks of brain mapping in the field of cognitive neuroscience. This well-researched text by a leading expert in the field provides a foundational map of the human brain for cognition and behavior. This comprehensive map of essential human thinking and emotion is based on the explosion in the field of functional neuroimaging studies (fMRI, PET) in the normally functioning human brain. The approach of this text is to confirm the association of these brain regions by verifying that damage to the activated brain area results in a consistent deficit in the cognitive/behavioral operation under investigation. The approach used to form this view of mapping brain and cognition is based on cognitive neuroscience principles of defining dissociable, fine-grained cognitive units and associating these units with brain regions encoding for these units or aspects of the units from both functional imaging and lesion studies. These cognitive-brain relationships are incorporated into clinical syndromes to account for the behavior of these patients after a lesion occurs, with the added feature of presenting patient videos demonstrating the disrupted cognitive behaviors. This comprehensive textbook provides a framework of the basic architecture of cognition in the brain with this combination of activation and lesion study confirmation of the brain-behavior associations. This basic framework is useful for those students studying the interaction of cognitive science and neuroanatomy as well as being relevant to the experienced neuroscientist researcher or clinician.
Book Synopsis A Case Study in Visual Agnosia Revisited by : Glyn Humphreys
Download or read book A Case Study in Visual Agnosia Revisited written by Glyn Humphreys and published by Psychology Press. This book was released on 2013-10-15 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual agnosia is a rare but fascinating disorder of visual object recognition that can occur after a brain lesion. This book documents the case of John, who worked intensively with the authors for 26 years after acquiring visual agnosia following a stroke. It revisits John’s case over twenty years after it was originally described in the book To See But Not To See, in 1987. As in the previous book, the condition is illuminated by John and his wife, Iris, in their own words. A Case Study in Visual Agnosia Revisited discusses John’s case in the context of research into the cognitive neuroscience of vision over the past twenty years. It shows how John’s problems in recognition can provide important insights into the way that object recognition happens in the brain, with the results obtained in studies of John’s perception being compared to emerging work from brain imaging in normal observers. The book presents a much fuller analysis of the variety of perceptual problems that John experienced, detailing not only his impaired object recognition but also his face processing, his processing of different visual features (colour, motion, depth), his ability to act on and negotiate his environment, and his reading and writing. A Case Study in Visual Agnosia Revisited will be a key reference for those concerned with understanding how vision is implemented in the brain. It will be suitable for both undergraduate students taking courses in cognitive psychology and neuropsychology, and also researchers in the cognitive neuroscience of vision. The presentation of John’s case, and the human aspects of the disorder, will also be of great interest to a general audience of lay people interested in perception.
