A Study Of The Perception Of After Effect Of Spiral Motion

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A Study Of The Perception Of After Effect Of Spiral Motion

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Author : Alvin S. Frey
language : en
Publisher:
Release Date : 1956

A Study Of The Perception Of After Effect Of Spiral Motion written by Alvin S. Frey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with categories.

The Spiral After Effect

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Author : Harry C. Holland
language : en
Publisher: Elsevier
Release Date : 2016-07-29

The Spiral After Effect written by Harry C. Holland and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-29 with Psychology categories.

The Spiral After-Effect presents the visual phenomenon of the spiral after-effect in clinical investigations. This book explains how and under what conditions the illusion happens or can be modified. Organized into eight chapters, this book begins with an overview of the features of illusion that are similar to many of the characteristics of other movement perceptions, including vividness, velocity, and persistence. This text then examines the complex structure and the geometric function of the inducing stimulus. Other chapters consider the effects of drugs on the spiral illusion, which is rather strange when one considers the wide use of the phenomenon in patient groups who may be receiving substantial admixtures of compound for therapeutic purposes. This book discusses as well the relationship between intelligence and perception of the spiral after-effect. The final chapter deals with the conditioned after-effect. Clinical psychologists and readers who are interested in personality research will find this book useful.

The Spiral Aftereffect

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Author : William Edward Collins
language : en
Publisher:
Release Date : 1968

The Spiral Aftereffect written by William Edward Collins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with After-images categories.

The Motion Aftereffect

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Author : George Mather
language : en
Publisher: MIT Press
Release Date : 1998

The Motion Aftereffect written by George Mather and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Psychology categories.

Motion perception lies at the heart of the scientific study of vision. The motion aftereffect (MAE) is the appearance of directional movement in a stationary object or scene after the viewer has been exposed to viusal motion in the opposite direction. For example, after one has looked at a waterfall for a period of time, the scene beside the waterfall may appear to move upward when one's gaze is transfered to it. Although the phenomenon seems simple, research has revealed copmlexities in the underlying mechanisms, and offered general lessons about how the brain processes visual information. In the 1990s alone, more than 200 papers have been published on MAE, largely inspired by improved techniques for examining brain electrophysiology and by emerging new theories of motion perception.

The Spiral Aftereffect Iii Some Effects Of Perceived Size Retinal Size And Retinal Speed On The Duration Of Illusory Motion

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Author :
language : en
Publisher:
Release Date : 1971

The Spiral Aftereffect Iii Some Effects Of Perceived Size Retinal Size And Retinal Speed On The Duration Of Illusory Motion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.

Many safety problems encountered in aviation have been attributed to visual illusions. One of the various types of visual illusions, that of apparent motion, includes as an aftereffect the apparent reversed motion of an object after it ceases real movement. The study examined some effects of perceived size, perceived distance, and perceived stimulus speed on the persistence of illusory motion in the spiral aftereffect. Two major conditions were used: Size Constant: a 4-inch spiral was positioned to subtend visual angles of 1/2, 1, 2, 4, and 8 deg with seven rates of retinal speed (10-100 minarcs/sec) used at each angle; Angle Constant: three sizes of spirals were positioned so that each subtended visual angles of 2, 4, and 8 deg with physical speed held constant (75 rpm) in one case, and retinal speed (45 minarcs/sec) held constant in another. Durations of the illusion were significantly affected by low retinal speeds, by small visual angles, and by perceived size per unit of retinal size. The results suggest that complex interactions of physical and perceptual factors can significantly alter the presence and the magnitudes of visual illusions of motion. (Author).

Cyclopean Motion Aftereffects Using Spiral Patterns

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Author : Jason Alan Rogers
language : en
Publisher:
Release Date : 2007

Cyclopean Motion Aftereffects Using Spiral Patterns written by Jason Alan Rogers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Figural aftereffects categories.

Perception

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Author :
language : en
Publisher:
Release Date : 2005

Perception written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Perception categories.

The Spiral Aftereffect

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Author : Mary Jane Williams
language : en
Publisher:
Release Date : 1969

The Spiral Aftereffect written by Mary Jane Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with After-images categories.

A Methodological Study Of Confinement

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Author : Donald W. Ormiston
language : en
Publisher:
Release Date : 1961

A Methodological Study Of Confinement written by Donald W. Ormiston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Human behavior categories.

Thirty-four subjects divided into two groups were confined for 8 hrs in a lighted 5 by 8 ft cubicle where they worked occasionally on tracking, monitoring, and time estimation tasks and noted somatic complaints. Visual illusions were administered before and after confinement. Twenty subjects in another group underwent all of the tests but were not confined. A battery of personality tests was given to the subjects 1-3 months before they participated. Correlations among the personality test scores, the changes in visual illusions, and the performance tasks were computed. The results of the performance tasks showed no significant differences between the confined and nonconfined groups. Time estimated did not vary significantly during confinement. Confirmatory evidence was gained favoring the use of the spiral after-effect and rejecting and latency of autokinesis as criterion measures of confinement stress.

Cumulated Index Medicus

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Author :
language : en
Publisher:
Release Date : 1987

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 1987 with Medicine categories.