Wayfinding From Multiple Sources of Local Information in Retinal Flow

Although they concluded differently, N. G. Kim, R. Growney, and M. T. Turvey (1996) provided data that supports previous empirical ( J. E. Cutting, K. Springer, P. A. Braren, & S. H. Johnson, 1992 ) and metatheoretical ( J. E. Cutting, 1986 ) claims. Their data show that, in simulations of pursu...

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Bibliographic Details
Published in:Journal of experimental psychology. Human perception and performance 1996-10, Vol.22 (5), p.1299-1313
Main Author: Cutting, James E
Format: Article
Language:English
Subjects:
Experiments
Eyes & eyesight
Human
Information
Motion Parallax
Retina
Retinal flow
Sources
Spatial Orientation (Perception)
Visual Perception
Wayfinding
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Summary:Although they concluded differently, N. G. Kim, R. Growney, and M. T. Turvey (1996) provided data that supports previous empirical ( J. E. Cutting, K. Springer, P. A. Braren, & S. H. Johnson, 1992 ) and metatheoretical ( J. E. Cutting, 1986 ) claims. Their data show that, in simulations of pursuit fixation during locomotion through a cluttered environment, multiple sources of local information in retinal flow-previously analyzed as differential parallactic displacements (DMP), inward motion (IM), and outward deceleration (OD)-appear to be used by observers to determine the direction of their heading. Four alternative versions of parallax information were considered. Three were global sources-differential motion, spatial pooling, size-weighted spatial pooling; the other was a local source-the displacement direction of the largest object (DDLO) in the field. Of these, DDLO was best predictor, outstripping DMP and the 3 global sources; but IM and OD remained important. Thus, it remains that several local sources of motion information best predict the wayfinding data.
ISSN:0096-1523
1939-1277
DOI:10.1037/0096-1523.22.5.1299