The illusory perception of movement caused by angular acceleration and by centrifugal force during flight. I. Methodology and preliminary results.

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Abstract
"A method was evolved to observe and report the effects of angular acceleration and variations in g on visual perception during flight. The visual stimulus was a collimated 'star' installed in the rear cockpit of a standard Navy training plane. All observations were made in complete darkness. Both the pilot's and observer's verbal reports were dictated into an airborne wire recorder which also provided a time line. These recordings were transcribed in the laboratory and all analyses were made from these transcriptions. Preliminary experiments were carried out on three Ss using five basic maneuvers in addition to control periods of straight and level flight. For the first time it has been shown that angular acceleration and g during flight induce illusory perceptions of motion and displacement of an objectively motionless object." (PsycINFO Database Record (c) 2006 APA, all rights reserved)