Cascades and fields in perceptual psychophysics

by Gregson, R. A. M.

Publisher: World Scientific in Singapore, River Edge, N.J

Written in English
Cover of: Cascades and fields in perceptual psychophysics | Gregson, R. A. M.
Published: Pages: 284 Downloads: 741
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Subjects:

  • Psychophysics -- Mathematical models.,
  • Nonlinear theories.

Edition Notes

Includes bibliographical references (p. [263]-280) and index.

StatementRobert A.M. Gregson.
Classifications
LC ClassificationsBF237 .G735 1995
The Physical Object
Paginationix, 284 p. :
Number of Pages284
ID Numbers
Open LibraryOL1025849M
ISBN 109810223277
LC Control Number96100961
OCLC/WorldCa33896949

32 3 Visual Psychophysics , , , , , 80, 60, 40, 20, 0 Visual angle in degrees rods rods cones cones blind spot 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 Number of receptors per mm sq. Fig. Density distributions of rod and cone receptors across the retinal surface: rod/cone density. Perceptual learning with top-down attention. It has been shown that top-down attention plays a significant role in perceptual learning. Ahissar and Hochstein () found that perceptual learning occurred for a feature that was relevant to a task but did not occur for a feature that was merely exposed. Electrophysiological and behavioral studies of hyperacuity (the ability to discriminate Cited by: Psychophysics: A Practical Application is a single-volume text that covers the rudimentary principles of psychophysical methods and the practical tools that are important for processing data from psychophysical experiments and tests. It makes complicated concepts and procedures understandable for beginners and non-experts in psychophysics. The book includes a wide array of analytical. Multiple-event multi-dimensional psychophysics. Most psychophysical methods are limited to two events (e.g., signal-plus-noise and noise-alone) and one dimension (e.g., frequency). Many detection tasks, however, are multiple-event and/or multi-dimensional. Brian has developed a framework to analyze these tasks using TSD and information theory.

  Independent groups of subjects made magnitude estimates of the geographical areas of different countries either with a map present or from memory after the map had been studied. Both perceptual and memorial estimates were related to actual area by power functions, in which the memorial exponent was equal to the square of the perceptual exponent. The results provide . b. While turning the pages of your book, you perceive the pages as moving rectangles. c. While walking on the beach, you perceive that your friend is far away because he looks very small. d. While riding on the train, the world seems to race past you as if it were moving and you were stationary. The proposed system, which may be part of the Schacter-Tulving perceptual representation system (PRS), is located early in the visual processing stream, prior to the structural description system responsible for shape priming but beyond primary visual cortex (V1), and consists of a series of parallel special-purpose perceptual mechanisms with Cited by: Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they effect. Psychophysics has been described as "the scientific study of the relation between stimulus and sensation" or, more completely, as "the analysis of perceptual processes by studying the effect on a subject's experience or behaviour of systematically varying the.

The Psychophysics Toolbox is a software package that supports visual psychophysics. Its and to study categorization, perceptual learning, visual search, and visual object recognition. Implementation The core routines of the Psychophysics Toolbox are MATLAB Extension (MEX) files. They are. Psychology Definition of PSYCHOPHYSICS: A physiological branch studying the relationships between stimuli and sensory processes. The study is influenced by stimulus magnitude and differences. Then we can use psychophysics to determine whether our new display is better than previous displays. The second half of the course is a quick survey of the visual system. We will begin by tracing the anatomy and physiology of the visual system and then move on to cover different functional aspects of vision.

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Cascades and Fields in Perceptual Psychophysics Hardcover – August 1, by Robert A M Gregson (Author) See all 4 formats and editions Hide other formats and editions. Price New from Used from Hardcover "Please retry" $ $ $ Hardcover $ 2 Cited by: ISBN: OCLC Number: Description: ix, pages: illustrations ; 23 cm: Contents: 1.

Fundamental Assumptions of Nonlinear Psychophysical Dynamics Nonlinear Psychophysics, Response Surface Identification, and Cross-Entropy Properties of Nonlinear Dynamics underlying the Generation of Cascades and Fields Cascades and the case of Perceived.

Get this from a library. Cascades and fields in perceptual psychophysics. [R A M Gregson] -- Psychophysics is by definition mappings between events in the environment and levels of human sensory responses.

In this text the methods of nonlinear dynamics, employing trajectories developed for. Cascades And Fields In Perceptual Psychophysics available in Hardcover. Add to Wishlist. ISBN ISBN Pub.

Date: 08/01/ Publisher: World Scientific Publishing Company, Incorporated. Cascades And Fields In Perceptual Psychophysics.

by Robert A M Gregson | Read Reviews. Hardcover. Current Publish your book Price: $ If the address matches an existing account you will receive an email with instructions to reset your password.

Journal description. Perception & Psychophysics covers all areas of research in perception, from the earliest sensory system processes that can be studied by psychophysical methods, to areas such.

Psychophysics is a lively account by one of experimental psychology's seminal figures of his lifelong scientific quest for general laws governing human is a landmark work that captures the fundamental themes of Stevens's experimental research and his vision of what psycho-physics and psychology are and can be.5/5(1).

Psychophysics is a lively account by one of experimental psychology's seminal figures of his lifelong scientific quest for general laws governing human is a landmark work that captures the fundamental themes of Stevens's experimental research and his vision of what psycho-physics and psychology are and can s: 1.

PERCEPTUAL FIELD. N., Pam M.S. - April 7, with regard to gestalt psychology, the entirety of the surroundings which someone understands at a specific time- that being, all of the factors of the surroundings of which the person is conscious at a chosen time. The psychophysics of perceptual memory Article Literature Review (PDF Available) in Psychological Research 62(2) July with Reads How we measure 'reads'.

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. psychophysics. Traditionally, the term psychophysics refers to quantitative methods of measuring the relationship between properties of the stimulus and the subject's experience.

reaction time. The time between presentation of a stimulus and an observer's response to the stimulus. Reaction time is often used in experiments as a measure of speed. psychophysics is given special attention here for several reasons: (1) much of what is known and is covered in this book has been discovered using this method, (2) it is a major methodological contribution by sensation and perception to psychology, and (3) these methods are distinctly different from other methods in psychology.

Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they produce. Psychophysics has been described as "the scientific study of the relation between stimulus and sensation" or, more completely, as "the analysis of perceptual processes by studying the effect on a subject's experience or behaviour of systematically varying the.

Figure The perceptual process. The steps in this process are arranged in a circle to emphasize the fact that the process is dynamic and continually changing. Blue point to stimuli; green to processing; red to perceptual responses.

Arrows A, B, and C indicate. Human psychophysics is a rigorous, quantitative way of examining our own perceptual experience.

It has made vital contributions to neuroscience over several centuries. New techniques in both humans and other animals complement psychophysics and enhance its power rather than superseding by: Discover Book Depository's huge selection of Bob Gregson books online.

Free delivery worldwide on over 20 million titles. Cascades And Fields In Perceptual Psychophysics. Robert A. Gregson. 01 Sep Hardback. US$ Add to basket. The Incredible Indoor Games Book. Bob Gregson. 01 Jan Paperback. unavailable. Notify me. This marked the beginning of psychophysics.

What famous work did Wundth have. The Principles of Physiological Psychology. Minimal amount of energy required for the accomplishment of a perceptual task. Threshold ;) The smallest amount of the stimulus energy necessary to produce a sensation. Psychophysics Scribe Lecture for February 12th - Elizabeth A.

Matthews Edited March 24th, 1 Definition Psychophysicscomesfromthewordspsycho File Size: KB. Psychophysics is a subfield of psychology addressing the relationship between physical stimuli and subjective responses, or percepts.

The term "psychophysics" was coined by the field's founder, Gustav Theodor Fechner, in Earlier scientists, including German physiologist Ernst Heinrich Weber and medieval scientist Alhazen, conducted similar experiments, though the field was.

Learn about this topic in these articles: development of psychophysics. In psychophysics. Fechner’s classic book Elemente der Psychophysik () may be looked upon as the beginning not only of psychophysics but also of experimental psychology.

Read More; discussed in biography. In Gustav Fechner (; Elements of Psychophysics), established his lasting importance in psychology. Sagi and D. Tanne () Perceptual learning: Learning to see.

Current Opinion in Neurobiology, 4, U. Polat and D. Sagi () Spatial interactions in human vision: from near to far via experience dependent cascades of connections.

Proc National Academy of Sciences USA, 91,   All perceptual fields exist at the same time. They are equipresent and part of the fabric of reality.

However, the nature of our sensory system is to be more interested in particular perceptual fields over others. Overall there’s a common relationship to the narrower fields of perception as most of our daily life exists within it. Cascades and Fields in Perceptual Psychophysics. InformatIve PsychometrIc fIlters Psychophysics; it is employed in its equation form in some chapters in this book, and is discussed in more detail in the author’s three previous books on nonlinear.

Psychophysics: introduction to its perceptual, neural, and social prospects. Stanley Smith Stevens. Wiley, - Psychology - pages. 0 Reviews. From inside the book.

What people are saying - Write a review. We haven't found any reviews in the usual places. Contents. The Psychophysical Law. Here is a definition: Psychophysics. > Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they affect.

Psychophysics has been described as "the scientific study of the relation be. Psychophysics, study of quantitative relations between psychological events and physical events or, more specifically, between sensations and the stimuli that produce them.

Physical science permits, at least for some of the senses, accurate measurement on a physical scale of the magnitude of a determining the stimulus magnitude that is just sufficient to produce a sensation (or a.

Psychophysics is termed as methods which are being applied to study a system of perceptual. It introduces lossy compression methods and development models. It is in this models it explains why people have to lose signal quality. Psychophysics is the quantitative investigation of the relationship between physical stimuli and the sensations and perceptions they produce.

This approach is used to analyze perceptual processes by varying certain properties of a stimulus, and observing changes in. The unilateral field advantage in repetition detection: Effects of perceptual grouping and task demands.

Attention, Perception, & Psychophysics, 72(3), Makovski, T., & Jiang, Y.V. Contextual cost: When a visual-search target is not where it should be. Quarterly Journal of Experimental Psychology, 63(2).

Whether you’re studying for AP psychology, IB psychology, a college course, or you just want to better understand the world of psychology, this book has what you need.

Master Introductory Psychology is also available as a series of 4 books in ebook and print format.ner, whose classic book Elements of psychophysics was pub-lished in This book had stronginfluence on Ernst Mach, who developed measurement theory and wrote that “a psy-chophysical measurement formula assigns numbers to sensa-tions in the same way a thermometer assigns the temperature to a state of heat.”.Psychophysics serves as a fusion of psychology and physics in which the physical stimuli and its properties relate to one's sensory processes.

Because of this, psychophysics may also refer to a category of classical methods that are used to analyze an organism's perception. The term "psychophysics" was coined by Gustav Theodor Fechner, a.