The spiral aftereffect. II, Some influences of visual angle and retinal speed on the duration and intensity of illusory motion.

Williams, Mary Jane; Collins, William E.

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The spiral aftereffect. II, Some influences of visual angle and retinal speed on the duration and intensity of illusory motion.

1969-08-01
By Williams, Mary Jane ; Collins, William E.

[PDF-717.86 KB]

English

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Creators:

Williams, Mary Jane ; Collins, William E.

Williams, Mary Jane ; Collins, William E. Less -
Corporate Contributors:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Angles (Geometry) Angular Velocity Depth Perception Distance Distance Perception Distances Experiments Eye Eye--Movements Eye Fixations Eye Location Eye Movements Human Subject Testing Motion Motion Perception Motion Perception (Vision) Optical Illusions Perception Retina Size Size Perception Speed Spirals Time Duration Time Perception Vision Vision--Testing Visual Perception
Publication/ Report Number:

AM 69-15 ; DOT/FAA/AM-69/15

AM 69-15 ; DOT/FAA/AM-69/15 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

Visual illusions have been a persistent problem in aviation research. The spiral aftereffect (SAE) is an example of one type of visual illusion--that which occurs following the cessation of real motion. Duration and intensity of the SAE was evaluated under five conditions. Results indicate that perceived (rather than physical) characteristics of the stimulus situation may have the most significant effects on duration of the SAE. The findings thus have considerable pertinence to the evaluation of effective factors in the production of a variety of other visual illusions which can occur in aviation environments.
Format:

PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:72d22df3d7bb2d8d9ff6588f13738d70eb45b4734fe1daf09eebef1a94b75b1e
Download URL:

https://rosap.ntl.bts.gov/view/dot/20911/dot_20911_DS1.pdf
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The spiral aftereffect. II, Some influences of visual angle and retinal speed on the duration and intensity of illusory motion.

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