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Perceptual Integration And Differentiation Of Directions In Moving Patterns
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Book Synopsis Perceptual Integration and Differentiation of Directions in Moving Patterns by : William Paul Marshak
Download or read book Perceptual Integration and Differentiation of Directions in Moving Patterns written by William Paul Marshak and published by . This book was released on 1981 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two or more directions of motion cannot be discriminated from one direction over separations of direction greater than 16 and less than 60 deg at threshold contrast. The multiple directions produce a percept indistinguishable from a single direction. When the same stimuli are presented at 6 or more times threshold contrast, another kind of perception error occurs: the component directions are seen separately but their perceived directions repel one another. In a series of experiments, contrast, directional content, pattern content and velocity determined the conditions under which directions of motion summate or repel one another. Stimulus changes increasing inhibition enhance repulsion; changes decreasing inhibition enhance summation. A 3 stage, vector model can explain these errors in directional perception. Stage 1 of direction processing is excitation of directionally sensitive units. Such units may be portrayed in polar coordinates as vectors whose orientation is their optimal direction of sensitivity and whose length indicates the amount of activation. Stage 2 of motion perception is an inhibitory process limiting the distribution of excitation to units whose sensitivity is close to the direction of motion and suppressing activity in units sensitive to other directions. In stage 3 all remaining excitation is processed by a decision mechanism that determines the perceived direction of motion. Two decision processes, a peak detection and a vector summing process, are discussed.
Book Synopsis Spatio-temporal Differentiation and Integration in Visual Motion Perception by : Bo Edvardsson
Download or read book Spatio-temporal Differentiation and Integration in Visual Motion Perception written by Bo Edvardsson and published by . This book was released on 1974 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Ninth Symposium by :
Download or read book Proceedings of the Ninth Symposium written by and published by . This book was released on 1984 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Alexander H. Wertheim Publisher :Springer Science & Business Media ISBN 13 :1461335698 Total Pages :275 pages Book Rating :4.4/5 (613 download)
Book Synopsis Tutorials on Motion Perception by : Alexander H. Wertheim
Download or read book Tutorials on Motion Perception written by Alexander H. Wertheim and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: From August 24-29, 1980 the international "Symposium on the Study of Motion Perception; Recent Developments and Applications", sponsored by NATO and organized by the editors of this book, was held in Veldhoven, the Netherlands. The meeting was attended by about eighty scholars, including psychologists, neurologists, physicists and other scientists, from fourteen different countries. During the symposium some fifty research papers were presented and a series of tutorial review papers were read and discussed. The research presentations have been published in a special issue of the international journal of psychonomics "Acta Psychologica" (Vol. 48, 1981). The present book is a compilation of the tutorial papers. The tutorials were arranged around early versions of the chapters now appearing in this book. The long discussions at the Veldhoven tutorial sessions resulted in extensive revisions of the texts prior to this publication. Unfortunately this led to a delay in publication, but we feel that this was justified by a greater depth of understanding which, in our opinion, has significantly increased the quality of the book. As they now stand, the chapters cover most of the issues relevant to the study of motion perception. Also they clearly reflect the intensive exchange of knowledge that took place during the symposium. As such we think that this book can be used both as an advanced text for students and scientists alike and as a comprehensive reference source.
Book Synopsis Perceptual Organization in Computer and Biological Vision by : James Elder
Download or read book Perceptual Organization in Computer and Biological Vision written by James Elder and published by Frontiers Media SA. This book was released on 2024-08-22 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: A principal challenge for both biological and machine vision systems is to integrate and organize the diversity of cues received from the environment into the coherent global representations we experience and require to make good decisions and take effective actions. Early psychological investigations date back more than 100 years to the seminal work of the Gestalt school. Yet in the last 50 years, neuroscientific and computational approaches to understanding perceptual organization have become equally important, and a full understanding requires integration of all three approaches. This highly interdisciplinary Research Topic welcomes contributions spanning Computer Science, Psychology, and Neuroscience, with the aim of presenting a single, unified collection that will encourage integration and cross-fertilization across disciplines.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seeing Spatial Form by : Michael Jenkin
Download or read book Seeing Spatial Form written by Michael Jenkin and published by OUP USA. This book was released on 2006 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains ... "color imagery and video clips associated with various chapters and the York Vision Conference itself."--Page v.
Book Synopsis From Fragments to Objects by : Thomas F. Shipley
Download or read book From Fragments to Objects written by Thomas F. Shipley and published by Elsevier. This book was released on 2001-11-30 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book addresses the problem of how the human visual system organizes inputs that are fragmented in space and time into coherent, stable perceptual units - objects. In doing so it addresses the following questions: what kinds of segmentation and grouping abilities exist in human perceivers? What information and computational processes achieve segmentation and grouping? What are the psychological consequences of perceiving whole objects?" "From Fragments to Objects: Segmentation and Grouping in Vision takes a comprehensive cognitive science approach to object perception, brings together separate lines of research in object perception in one volume, gives an integrated and up-to-date review of theory and empirical research and offers directions for future study."--Jacket.
Book Synopsis Unfolding Perceptual Continua by : Liliana Albertazzi
Download or read book Unfolding Perceptual Continua written by Liliana Albertazzi and published by John Benjamins Publishing. This book was released on 2002-07-12 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book analyses the differences between the mathematical interpretation and the phenomenological intuition of the continuum. The basic idea is that the continuity of the experience of space and time originates in phenomenic movement. The problem of consciousness and of the spaces of representation is related to the primary processes of perception. Conceived as an interplay between cognitive science, linguistics and philosophy, the book presents a conceptual framework based on a dynamic and experimental approach to the problem of the continuum. Besides presenting the primitives of a theory of cognitive space and time, it presents a theory of the observer, analyzing the relationship among perspective, points of view and unity of consciousness. The book's chapters deal with the dynamic elaboration and recognition of forms from the lower to the higher processes in the various perceptual fields. Experimental analysis from visual, auditory and tactile perception outline the basic structures of intentionality and its counterpart in language and gesture. (Series B)
Book Synopsis Perceiving Events and Objects by : Gunnar Jansson
Download or read book Perceiving Events and Objects written by Gunnar Jansson and published by Psychology Press. This book was released on 2013-06-17 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning with his doctoral dissertation in 1950 which introduced the study of event perception and the application of vector analysis to perception, Gunnar Johansson has been a seminal figure in the field of perception. His work on biomechanical motion in the 1970s challenged conventional notions and stimulated great interest among experimental psychologists and students of machine vision. In 1989 Johansson published his latest theoretical synthesis, the optic sphere theory, an innovative conceptualization that goes beyond his earlier proposals. This volume presents -- for the first time -- an extensive precis of the out-of-print classic 1950 monograph prepared by Johansson. It also includes a representative set of Johansson's important publications produced over the ensuing four decades. These papers served as the springboard for a set of original essays by a distinguished group of North American and European scientists. Part critical commentary, part elaboration, and part seeking new directions, the entire collection makes for a singularly rich treatment of the perception of objects and events.
Download or read book Behavior & Society written by and published by . This book was released on 1981 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Perceptual Training in the Curriculum by : George H. Early
Download or read book Perceptual Training in the Curriculum written by George H. Early and published by . This book was released on 1969 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1982 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biophysical Foundations of Human Movement by : Bruce Abernethy
Download or read book Biophysical Foundations of Human Movement written by Bruce Abernethy and published by Human Kinetics. This book was released on 2018-10-30 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biophysical Foundations of Human Movement, Third Edition, introduces readers to key concepts concerning the anatomical, mechanical, physiological, neural, and psychological bases of human movement. The text provides undergraduate students with a broad foundation for more detailed study of the subdisciplines of human movement and for cross-disciplinary studies. Readers will learn the multi-dimensional changes in movement and movement potential that occur throughout the life span as well as those changes that occur as adaptations to training, practice, and other lifestyle factors. This third edition includes the latest research and improved presentation to address areas of growth and change in the fields of human movement. The following are important updates to this edition: • A new chapter on historical origins of human movement science provides students with an appreciation of the development of the field as well as its future directions. • Content regarding exercise physiology has been reorganized to provide more discrete coverage of key concepts in nutrition. • A new concluding section focuses on applications in the areas of prevention and management of chronic disease, prevention and management of injury, and performance enhancement in sport and the workplace, as well as the benefits of sport and exercise science to work, sport, and everyday living. • Ancillary materials support instructors in teaching across disciplines as they assist students in understanding the breadth of content in this comprehensive text. Using a modular approach to teaching sport and exercise science, Biophysical Foundations of Human Movement, Third Edition, offers students a structured understanding of how the subdisciplines work independently and in tandem. Following a general introduction to the field of human movement studies, readers are introduced to basic concepts, life-span changes, and adaptations arising in response to training in each of the five major biophysical subdisciplines of human movement. Each subdiscipline is given a brief introduction, including the definition and historical development of the subdiscipline, the typical issues and problems it addresses, the levels of analysis it uses, and relevant professional training and organizations. Multi-disciplinary and cross-disciplinary approaches to human movement are also discussed along with contemporary applications. By studying the integration of knowledge from a number of the biophysical subdisciplines, students will be better prepared for advanced study and careers reliant on the integration of knowledge from various disciplines and perspectives. The third edition offers tools for retaining the material, including learning objectives and summaries in each chapter, a glossary, and lists of web-based resources. Throughout the text, special “In Focus” features highlight key organizations, individuals, and studies from around the world that have contributed to the current understanding of human movement. These features help readers appreciate the evolution of the field so that they may better understand its direction. Students interested in further study will find specialized texts for each of the subdisciplines listed in the Further Reading and References section of each chapter along with updated lists of websites. The third edition of Biophysical Foundations of Human Movement offers a comprehensive introduction for students, scientists, and practitioners involved in the many professions grounded in or related to human movement, kinesiology, and sport and exercise science. By considering the effect of adaptations in each of the biophysical subdisciplines of human movement, Biophysical Foundations of Human Movement also illustrates the important role physical activity plays in the maintenance of health throughout the life span.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1980 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Authentic Assessment for Early Childhood Intervention by : Stephen J. Bagnato
Download or read book Authentic Assessment for Early Childhood Intervention written by Stephen J. Bagnato and published by Guilford Press. This book was released on 2007-06-06 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meeting a crucial need, this book provides clear recommendations for authentic developmental assessment of children from infancy to age 6, including those with developmental delays and disabilities. It describes principles and strategies for collecting information about children's everyday activities in the home, preschool, and community that serves as a valid basis for intervention planning and progress monitoring. Throughout, the book emphasizes the importance of enlisting parents as partners with practitioners and teachers in observation and team-based decision making. Special features of this well-organized, accessible volume include recommendations for developmentally appropriate assessment tools and "Best-Practice Guidepoints" in each chapter that distill key professional standards and practices.
