The Effect Of Delay On Conceptual And Perceptual Priming In Alzheimer S Disease
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The Effect Of Delay On Conceptual And Perceptual Priming In Alzheimer S Disease
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Author :
language : en
Publisher:
Release Date : 2009
The Effect Of Delay On Conceptual And Perceptual Priming In Alzheimer S Disease written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Alzheimer's disease categories.
Repetition priming in which the initial presentation of a stimulus facilitates its subsequent processing through activation of its visual/auditory form (perceptual priming) is often normal in Alzheimer's disease (AD), whereas priming that depends upon activation of lexical/semantic associations (conceptual priming) is often impaired. This pattern of implicit memory deficits could reflect differential degradation of cortically-mediated conceptual versus perceptual representations, a general deficit in attention/alerting, or cortical activation deficiencies that interact with the integrity of representations. To explore these possibilities, the present study compared the performances of 20 AD and 20 normal elderly control (EC) subjects on word-stem completion (WSC) and perceptual identification (PI) priming tasks with either no delay or a 10-minute delay between study and test phases. Explicit memory, visual attention, and phasic alerting (i.e., stimulus-driven enhancement of sensory processing that may reflect cortical activation) were also assessed. Results showed that AD patients were impaired in both delay conditions of the WSC test, but had a normal rate of decay of priming. The magnitude and rate of decay of priming in the PI task was normal in the AD patients. As expected, AD patients were impaired and exhibited abnormally rapid forgetting on explicit memory measures, but these effects did not correlate with the magnitude or rate of decay of WSC or PI priming. Alerting and orienting of attention was normal in AD patients and did not correlate with WSC or PI priming effects. WSC priming correlated with performance on a language/semantic memory test. These results confirm previously observed dissociations between impaired conceptual and preserved perceptual priming in AD and further show that priming in both tasks dissipates at a normal rate. This normal rate of decay of priming, along with normal attention and alerting effects, suggests that insufficient cortical activation does not underlie the priming deficit in AD. Rather, impaired conceptual priming may be better explained by degradation of cortically-mediated conceptual representations that must be activated in the WSC task but not in the PI task. Thus, the integrity of priming in AD may depend upon the nature of the representation rather than the fate of cortical activation.
The Organisation Of Mind
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Author : Tim Shallice
language : en
Publisher: Oxford University Press, USA
Release Date : 2011-03-17
The Organisation Of Mind written by Tim Shallice and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-17 with Medical categories.
To understand the mind, we need to draw equally on the fields of cognitive science and neuroscience. But these two fields have very separate intellectual roots, and very different styles. So how can these two be reconciled in order to develop a full understanding of the mind and brain.This is the focus of this landmark new book.
Cumulated Index Medicus
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Author :
language : en
Publisher:
Release Date : 2000
Cumulated Index Medicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Medicine categories.
Psychology Of Learning And Motivation
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Author :
language : en
Publisher: Academic Press
Release Date : 1990-12-05
Psychology Of Learning And Motivation 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 1990-12-05 with Psychology categories.
Psychology of Learning and Motivation
Encyclopedia Of Human Behavior
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Author :
language : en
Publisher: Academic Press
Release Date : 2012-01-31
Encyclopedia Of Human Behavior 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 2012-01-31 with Psychology categories.
The Encyclopedia of Human Behavior, Second Edition, Three Voluime Set is an award-winning three-volume reference on human action and reaction, and the thoughts, feelings, and physiological functions behind those actions. Presented alphabetically by title, 300 articles probe both enduring and exciting new topics in physiological psychology, perception, personality, abnormal and clinical psychology, cognition and learning, social psychology, developmental psychology, language, and applied contexts. Written by leading scientists in these disciplines, every article has been peer-reviewed to establish clarity, accuracy, and comprehensiveness. The most comprehensive reference source to provide both depth and breadth to the study of human behavior, the encyclopedia will again be a much-used reference source. This set appeals to public, corporate, university and college libraries, libraries in two-year colleges, and some secondary schools. Carefully crafted, well written, and thoroughly indexed, the encyclopedia helps users—whether they are students just beginning formal study of the broad field or specialists in a branch of psychology—understand the field and how and why humans behave as we do. Named a 2013 Outstanding Academic Title by the American Library Association's Choice publication Concise entries (ten pages on average) provide foundational knowledge of the field Each article features suggested further readings, a list of related websites, a 5-10 word glossary and a definition paragraph, and cross-references to related articles in the encyclopedi Newly expanded editorial board and a host of international contributors from the United States, Australia, Belgium, Canada, France, Germany, Ireland, Israel, Japan, Sweden, and the United Kingdom
Human Memory
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Author : Ian Neath
language : en
Publisher: Cengage Learning
Release Date : 2003
Human Memory written by Ian Neath and has been published by Cengage Learning this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Memory categories.
This book balances coverage of theory, research, and data in order to promote a more complete understanding of how human memory works. The book strikes a balance between historically significant findings and current research. Actual experiments, both paper and pencil and online demonstrations, are included to help students see the link between theory and data.
Index Medicus
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Author :
language : en
Publisher:
Release Date : 2003
Index Medicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Medicine categories.
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Speech Perception
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Author : Lori L. Holt
language : en
Publisher: Springer Nature
Release Date : 2022-02-22
Speech Perception written by Lori L. Holt and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-22 with Medical categories.
This volume reviews contemporary developments in the auditory cognitive neuroscience of speech perception, including both behavioral and neural contributions. It serves as an important update on the current state of research in speech perception. The Auditory Cognitive Neuroscience of Speech Perception in Context Lori L. Holt, and Jonathan E. Peelle Subcortical Processing of Speech Sounds Bharath Chandrasekaran, Rachel Tessmer, and G. Nike Gnanateja Cortical Representation of Speech Sounds: Insights from Intracranial Electrophysiology Yulia Oganian, Neal P. Fox, and Edward F. Chang A Parsimonious Look at Neural Oscillations in Speech Perception Sarah Tune, and Jonas Obleser Extracting Language Content From Speech Sounds: The Information Theoretic Approach Laura Gwilliams, and Matthew H. Davis Speech Perception under Adverse Listening Conditions Stephen C. Van Hedger, and Ingrid S. Johnsrude Adaptive Plasticity in Perceiving Speech Sounds Shruti Ullas, Milene Bonte, Elia Formisano, and Jean Vroomen Development of Speech Perception Judit Gervain Interactions Between Audition and Cognition in Hearing Loss and Aging Chad S. Rogers, and Jonathan E. Peelle Dr. Lori Holt is a Professor of Psychology at Carnegie Mellon University and has affiliations with the Center for the Neural Basis of Cognition and the Center for Neuroscience University of Pittsburgh. Dr. Jonathan E. Peelle is a Professor in the Department of Otolaryngology at the Washington University in St. Louis. Dr. Allison Coffin is an Associate Professor in the Department of Integrative Physiology and Neuroscience at Washington State University Vancouver. Dr. Arthur N. Popper is Professor Emeritus and research professor in the Department of Biology at the University of Maryland, College Park. Dr. Richard R. Fay is Distinguished Research Professor of Psychology at Loyola, Chicago.
Abstracts Society For Neuroscience
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Author : Society for Neuroscience
language : en
Publisher:
Release Date : 1994
Abstracts Society For Neuroscience written by Society for Neuroscience and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Neurobiology categories.
Textbook Of Neurology
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Author : Julien Bogousslavsky
language : en
Publisher: Butterworth-Heinemann
Release Date : 1998
Textbook Of Neurology written by Julien Bogousslavsky and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Medical categories.
Introductory textbook for medical students and residents. Includes: principles, common symptoms, and specific neurologic disorders. Includes additional, suggested reading. Halftone illustrations.