Psychophysical Analysis Of Visual Space

Author : John C. Baird
Publisher : Elsevier
Page : 330 pages
File Size : 54,6 Mb
Release : 2013-10-22
Category : Psychology
ISBN : 9781483157337

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Psychophysical Analysis of Visual Space by John C. Baird Pdf

Psychophysical Analysis of Visual Space focuses on the use of psychophysics in the analysis of visual space, with emphasis on space perception and physiological optics. Topics covered include null-size judgment, ratio-size judgment, frontal-size judgment, and distance judgment, as well as selected physiological correlates of size and distance judgments. A theoretical analysis of model reduction is also presented. This volume consists of 11 chapters and opens with an overview of basic definitions and evidence in support of the constancy hypothesis. A psychophysical approach to the problems of visual space is described. The reader is then introduced to null-size judgment, ratio-size judgment, frontal-size judgment, and distance judgment, with emphasis on the importance of the retina as a reference for spatial judgments and how size judgments of targets at different distances can be related to judgments of targets at a constant distance. Some of the important relationships between ocular physiology and size-distance judgments are also examined, paying particular attention to size and distance judgments which relate to the variables of convergence, accommodation, angle-of-regard, and binocular disparity. The remaining chapters look at two stimulus correlates of distance judgments: frontal size and longitudinal size. This book will be of interest to physiologists, physicists, and experimental psychologists.

Author : John C. Baird
Publisher : Unknown
Page : 321 pages
File Size : 53,5 Mb
Release : 1994
Category : Optics, Physiological
ISBN : OCLC:494647007

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Psychophysical Analysis of Visual Space by John C. Baird Pdf

Author : Mark Wagner
Publisher : Psychology Press
Page : 289 pages
File Size : 48,7 Mb
Release : 2012-11-12
Category : Psychology
ISBN : 9781136871863

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The Geometries of Visual Space by Mark Wagner Pdf

When most people think of space, they think of physical space. However, visual space concerns space as consciously experienced, and it is studied through subjective measures, such as asking people to use numbers to estimate perceived distances, areas, angles, or volumes. This book explores the mismatch between perception and physical reality, and describes the many factors that influence the perception of space including the meaning assigned to geometric concepts like distance, the judgment methods used to report the experience, the presence or absence of cues to depth, and the orientation of a stimulus with respect to point of view. The main theme of the text is that no single geometry describes visual space, but that the geometry of visual space depends upon the stimulus conditions and mental shifts in the subjective meaning of size and distance. In addition, The Geometries of Visual Space: *contains philosophical, mathematical, and psychophysical background material; *looks at synthetic approaches to space perception including work on hyperbolic, spherical, and Euclidean geometries; *presents a meta-analysis of studies that ask observers to directly estimate size, distance, area, angle, and volume; *looks at the size constancy literature in which observers are asked to adjust a comparison stimulus to match a variety of standards at different distances away; *discusses research that takes a multi-dimensional approach toward studying visual space; and *discusses how spatial experience is influenced by memory. While this book is primarily intended for scholars in perception, mathematical psychology, and psychophysics, it will also be accessible to a wider audience since it is written at a readable level. It will make a good graduate-level textbook on space perception.

Author : Romi Nijhawan,Beena Khurana
Publisher : Cambridge University Press
Page : 583 pages
File Size : 46,5 Mb
Release : 2010-03-25
Category : Medical
ISBN : 9780521863186

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Space and Time in Perception and Action by Romi Nijhawan,Beena Khurana Pdf

Brings together cutting edge experiments and theoretical treatments regarding space, time and motion in visual neuroscience and psychophysics.

Author : Mark Wagner
Publisher : Psychology Press
Page : 290 pages
File Size : 40,8 Mb
Release : 2012-11-12
Category : Psychology
ISBN : 9781136871856

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The Geometries of Visual Space by Mark Wagner Pdf

When most people think of space, they think of physical space. However, visual space concerns space as consciously experienced, and it is studied through subjective measures, such as asking people to use numbers to estimate perceived distances, areas, angles, or volumes. This book explores the mismatch between perception and physical reality, and describes the many factors that influence the perception of space including the meaning assigned to geometric concepts like distance, the judgment methods used to report the experience, the presence or absence of cues to depth, and the orientation of a stimulus with respect to point of view. The main theme of the text is that no single geometry describes visual space, but that the geometry of visual space depends upon the stimulus conditions and mental shifts in the subjective meaning of size and distance. In addition, The Geometries of Visual Space: *contains philosophical, mathematical, and psychophysical background material; *looks at synthetic approaches to space perception including work on hyperbolic, spherical, and Euclidean geometries; *presents a meta-analysis of studies that ask observers to directly estimate size, distance, area, angle, and volume; *looks at the size constancy literature in which observers are asked to adjust a comparison stimulus to match a variety of standards at different distances away; *discusses research that takes a multi-dimensional approach toward studying visual space; and *discusses how spatial experience is influenced by memory. While this book is primarily intended for scholars in perception, mathematical psychology, and psychophysics, it will also be accessible to a wider audience since it is written at a readable level. It will make a good graduate-level textbook on space perception.

Author : Zhong-Lin Lu,Barbara Dosher
Publisher : MIT Press
Page : 473 pages
File Size : 47,8 Mb
Release : 2013-10-11
Category : Science
ISBN : 9780262019453

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Visual Psychophysics by Zhong-Lin Lu,Barbara Dosher Pdf

A comprehensive treatment of the skills and techniques needed for visual psychophysics, from basic tools to sophisticated data analysis. Vision is one of the most active areas in biomedical research, and visual psychophysical techniques are a foundational methodology for this research enterprise. Visual psychophysics, which studies the relationship between the physical world and human behavior, is a classical field of study that has widespread applications in modern vision science. Bridging the gap between theory and practice, this textbook provides a comprehensive treatment of visual psychophysics, teaching not only basic techniques but also sophisticated data analysis methodologies and theoretical approaches. It begins with practical information about setting up a vision lab and goes on to discuss the creation, manipulation, and display of visual images; timing and integration of displays with measurements of brain activities and other relevant techniques; experimental designs; estimation of behavioral functions; and examples of psychophysics in applied and clinical settings. The book's treatment of experimental designs presents the most commonly used psychophysical paradigms, theory-driven psychophysical experiments, and the analysis of these procedures in a signal-detection theory framework. The book discusses the theoretical underpinnings of data analysis and scientific interpretation, presenting data analysis techniques that include model fitting, model comparison, and a general framework for optimized adaptive testing methods. It includes many sample programs in Matlab with functions from Psychtoolbox, a free toolbox for real-time experimental control. Once students and researchers have mastered the material in this book, they will have the skills to apply visual psychophysics to cutting-edge vision science.

Author : Roger Watt
Publisher : Psychology Press
Page : 172 pages
File Size : 54,9 Mb
Release : 2022-03-01
Category : Psychology
ISBN : 9781317716440

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Visual Processing by Roger Watt Pdf

This highly original and interesting monograph puts forward ideas on visual processing and representation in the early stages of visual perception, and examines the computational requirements of the system and its psychological performance. Initially the author considers the computational theory of how the maximum amount of useful information about the scene can be registered from the variations in light intensity in the retinal image. He then goeson to address the question of just what it means to say that the visual system measures spatial aspects of the retinal image, and the consequences of the inevitable distortions that are introduced. He believes that the calculation of spatial position within a distorted metric is not trivial and requires dynamic processes with memory and control. Finally, Dr. Wan argues that the strength of the link between the low-level approaches of psychophysics and computational theory and high-level approaches of cognitive visual function lies in the logic of the arguments that indicate the computational need for control. This Essay will be of great interest to researchers in computer vision, perception, cognitive science and cognitive psychology.

Author : Jochen Müsseler,A. H. C. van der Heijden,Dirk Kerzel
Publisher : Psychology Press
Page : 316 pages
File Size : 54,7 Mb
Release : 2004
Category : Psychology
ISBN : 1841699667

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Visual Space Perception and Action by Jochen Müsseler,A. H. C. van der Heijden,Dirk Kerzel Pdf

This special issue examines the basic processes of space perception and how these processes interact with action planning and motor control.

Author : Liliana Albertazzi
Publisher : John Benjamins Publishing
Page : 398 pages
File Size : 46,8 Mb
Release : 2006-12-20
Category : Language Arts & Disciplines
ISBN : 9789027293015

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Visual Thought by Liliana Albertazzi Pdf

This volume starts from an interdisciplinary expertise of the contributors, and chooses to work on the very origins of conscious qualitative states in perception. The leading research paradigm can be synthesized in ‘phenomenology to neurons to stimuli, and backwards’, since as a starting point it has taken the phenomenal appearances in the visual field. Specifically, the leading theme of the volume is the co-presence and interaction of diverse types of spaces in vision, like the optical space of psychophysics and of neural elaboration, the qualitative space of phenomenal appearances, and its relation with the pictorial space of art. The contributors to the volume agree in arguing that those spaces follow different rules of organization, whose specific singularity and reciprocal dependence have to be individuated, as a preliminary step to understand the architecture of the conscious awareness of our environment and to conceive its potential implementation in constructing any kind of embodied intentional agents. (Series B)

Author : John Armington
Publisher : Elsevier
Page : 507 pages
File Size : 54,9 Mb
Release : 2012-12-02
Category : Medical
ISBN : 9780323147781

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Visual Psychophysics and Physiology by John Armington Pdf

Visual Psychophysics and Physiology: A Volume Dedicated to Lorrin Riggs illustrates a particular approach to the study of vision. It also celebrates Lorrin Riggs' retirement from formal teaching duties. During his teaching career Riggs advised and directed about fifty doctoral and postdoctoral students, many of whom wrote the chapters that make up this volume. The book is organized into six parts. Part 1 explains the approach to the study of vision, thus providing the philosophical theme for the chapters that follow. Part 2 on physiological mechanisms presents examples of comparative and physiological investigations. Part 3 on sensitivity and adaptation examines new research that bears directly upon the classical problems of visual psychophysics. Here, there is an initial concern with measurement, visual sensitivity, scaling, and adaptation. Part 4 discusses research on color vision while Part 5 on acuity, contrast, and movement considers some of the factors that contribute to these perceptions. Part 6 deals with applications of visual science to other disciplines. Specific examples are given that link visual research with ophthalmology, child development, and the investigation of cognitive variables such as meaning, activation, and so forth.

Author : Dorothea Jameson,L.M. Hurvich
Publisher : Springer Science & Business Media
Page : 822 pages
File Size : 44,5 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9783642886584

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Visual Psychophysics by Dorothea Jameson,L.M. Hurvich Pdf

This volume on Visual Psychophysics documents the current status of research aimed toward understanding the intricacies of the visual mechanism and its laws of operation in intact human perceivers. As can be seen from the list of contributors, the problems of vision engage the interest and experimental ingenuity of investi gators from a variety of disciplines. Thus we find authors affiliated with depart ments of biology, medical and physiological physics, ophthalmology, physics, physiology and anatomy, psychology, laboratories of neurophysiology, medical clinics, schools of optometry, visual and othcr types of research institutes. A continuing interplay between psychophysical studies and physiological work is everywhere evident. As more information about the physiological basis of vision accumulates, and new studies and analyses of receptor photochemistry and the neurophysiology of retina and brain appear, psychophysical studies of the intact organism become more sharply focused, sometimes more complex, and often more specialized. Technological advances have increased the variety and precision of the stimulus controls, and advances in measurement techniques have reopened old problems and stimulated the investigation of new ones. In some cases, new concepts are being drawn in to help further our under standing of the laws by which the visual mechanism operates; in other cases, ideas enunciated long ago have been reevaluated, developed more fully, and reified in terms of converging evidence from both psychophysical experiments and unit recordings from visual cells.

Author : William Epstein,Sheena Rogers
Publisher : Elsevier
Page : 499 pages
File Size : 45,7 Mb
Release : 1995-09-15
Category : Psychology
ISBN : 0080538614

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Perception of Space and Motion by William Epstein,Sheena Rogers Pdf

During the past 25 years, the field of space and motion perception has rapidly advanced. Once thought to be distinct perceptual modes, space and motion are now thought to be closely linked. Perception of Space andMotion provides a comprehensive review of perception and vision research literature, including new developments in the use of sound and touch in perceiving space and motion. Other topics include the perception of structure from motion, spatial layout,and information obtained in static and dynamic stimulation. Spatial layout Structure from motion Information on static and dynamic stimulation (visual, acoustic, and haptic)

Author : Walter Lawrence Gulick,Robert B. Lawson
Publisher : Oxford University Press, USA
Page : 312 pages
File Size : 54,5 Mb
Release : 1976
Category : Depth perception
ISBN : UOM:39015002266537

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Human Stereopsis by Walter Lawrence Gulick,Robert B. Lawson Pdf

Author : Viktor Sarris
Publisher : Psychology Press
Page : 172 pages
File Size : 49,6 Mb
Release : 2007-09-12
Category : Philosophy
ISBN : 9781135420864

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Relational Psychophysics in Humans and Animals by Viktor Sarris Pdf

Relational Psychophysics in Humans and Animals offers a comprehensive and integrated overview of the often fragmented field of psychophysics. It introduces key concepts in psychophysics and clearly summarises and illustrates the central issues through telling examples. It combines empirical research and theoretical approaches from general psychophysics, animal psychophysics and human-infant psychophysics, to create a systematic comparison of these three key areas. Through out, Viktor Sarris makes a strong case for more comparative psychophysical research across different species and across different stages of development. He presents original research and examines frame-of-reference models, behavioural psychophysics, developmental psychophysics, perceptual-cognitive psychophysics and evolutionary perspectives, to create an integrated framework for the direction of new research. The book will be an invaluable aid for researchers in the fields of perception and psychophysics.

Author : D. Algom
Publisher : Elsevier
Page : 639 pages
File Size : 44,6 Mb
Release : 1992-08-20
Category : Psychology
ISBN : 9780080867465

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Psychophysical Approaches to Cognition by D. Algom Pdf

Our lives are informed by perceptual and cognitive processes at all levels, from instrumental learning to metaphorical discourse to memorial representation. Yet, historically, these two branches of experimental psychology, perception and cognition, have developed separately using independent methods of experimentation and analysis. This volume is motivated by the assumption that a fundamental integration of the two fields is fruitful methodologically and indispensable theoretically. It explores how the notion of psychophysics aligned with cognitive processes shapes the study of perception and cognition, and illuminates a variety of contemporary research issues from a novel theoretical perspective. The papers raise conceptual and metatheoretical issues against the background of relevant empirical data. The authors provide a virtually narrative account of the most recent developments in their respective fields of expertise in psychophysics and cognitive psychology. Hence, this volume gives the interested reader an opportunity to reflect critically upon some of the current issues defining the two domains and their conjunction. Topics discussed include the psychology and psychophysics of similarity, the psychophysics of visual memory and cognitive factors in judgment. The emerging notion of cognitive psychophysics may well warrant the attention of experts in the field.