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Methods for measuring egocentric distance perception in visual modality.
Front Psychol
January 2023
Department of Psychology, Suzhou University of Science and Technology, Suzhou, China.
Egocentric distance perception has been widely concerned by researchers in the field of spatial perception due to its significance in daily life. The frame of perception involves the perceived distance from an observer to an object. Over the years, researchers have been searching for an optimal way to measure the perceived distance and their contribution constitutes a critical aspect of the field.
View Article and Find Full Text PDFBlind-Walking Behavior in the Dark Affected by Previewing the Testing Space.
Perception
November 2019
Department of Vision Sciences, Illinois College of Optometry, Chicago, IL, USA.
The Roles for Prior Visual Experience and Age on the Extraction of Egocentric Distance.
J Gerontol B Psychol Sci Soc Sci
January 2017
Department of Psychology, The George Washington University, District of Columbia.
Objectives: In a well-lit room, observers can generate well-constrained estimates of the distance to an object on the floor even with just a fleeting glimpse. Performance under these conditions is typically characterized by some underestimation but improves when observers have previewed the room. Such evidence suggests that information extracted from longer durations may be stored to contribute to the perception of distance at limited time frames.
View Article and Find Full Text PDFSpace perception of strabismic observers in the real world environment.
Invest Ophthalmol Vis Sci
February 2015
University of Louisville, Louisville, Kentucky, United States.
Purpose: Space perception beyond the near distance range (>2 m) is important for target localization, and for directing and guiding a variety of daily activities, including driving and walking. However, it is unclear whether the absolute (egocentric) localization of a single target in the intermediate distance range requires binocular vision, and if so, whether having subnormal stereopsis in strabismus impairs one's ability to localize the target.
Methods: We investigated this by measuring the perceived absolute location of a target by observers with normal binocular vision (n = 8; mean age, 24.
The Effects of Age and Set Size on the Fast Extraction of Egocentric Distance.
Vis cogn
January 2016
Department of Psychology, The George Washington University, Washington, D.C.
Angular direction is a source of information about the distance to floor-level objects that can be extracted from brief glimpses (near one's threshold for detection). Age and set size are two factors known to impact the viewing time needed to directionally localize an object, and these were posited to similarly govern the extraction of distance. The question here was whether viewing durations sufficient to support object detection (controlled for age and set size) would also be sufficient to support well-constrained judgments of distance.
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