Mental Concatenation of Perceptually and Cognitively Specified Depth to Represent Locations in Near Space

Overview

Journal Exp Brain Res

Specialty Neurology

Date 2007 Aug 25

PMID 17717648

Citations 5

Authors

Bing Wu

Roberta L Klatzky

Damion Shelton

George Stetten

Affiliations

Soon will be listed here.

Abstract

The purpose of this study was to examine how discrete segments of contiguous space arising from perceptual or cognitive channels are mentally concatenated. We induced and measured errors in each channel separately, then summed the psychophysical functions to accurately predict pointing to a depth specified by both together. In Experiment 1, subjects drew a line to match the visible indentation of a probe into a compressible surface. Systematic perceptual errors were induced by manipulating surface stiffness. Subjects in Experiment 2 placed the probe against a rigid surface and viewed the depth of a hidden target below it from a remote image with a metric scale. This cognitively mediated depth judgment produces systematic under-estimation (Wu et al. in IEEE Trans Vis Comput Grap 11(6):684-693, 2005; confirmed here). In Experiment 3, subjects pointed to a target location detected by the indented probe and displayed remotely, requiring mental concatenation of the depth components. The model derived from the data indicated the errors in the components were passed through the integration process without additional systematic error. Experiment 4 further demonstrated that this error-free concatenation was intrinsically spatial, rather than numerical.

Citing Articles

Integrating images from a moveable tracked display of three-dimensional data.

Shukla G, Klatzky R, Wu B, Wang B, Galeotti J, Chapmann B Cogn Res Princ Implic. 2017; 2(1):34.

PMID: 28890919 PMC: 5569642. DOI: 10.1186/s41235-017-0069-0.

The disembodied eye: consequences of displacing perception from action.

Klatzky R, Wu B, Stetten G Vision Res. 2010; 50(24):2618-26.

PMID: 20801143 PMC: 2991627. DOI: 10.1016/j.visres.2010.08.025.

Spatial Representations From Perception and Cognitive Mediation: The Case of Ultrasound.

Klatzky R, Wu B, Stetten G Curr Dir Psychol Sci. 2010; 17(6):359-364.

PMID: 20448831 PMC: 2864501. DOI: 10.1111/j.1467-8721.2008.00606.x.

Visualizing 3D objects from 2D cross sectional images displayed in-situ versus ex-situ.

Wu B, Klatzky R, Stetten G J Exp Psychol Appl. 2010; 16(1):45-59.

PMID: 20350043 PMC: 2862280. DOI: 10.1037/a0018373.

Learning to Reach to Locations Encoded from Imaging Displays.

Wu B, Klatzky R, Stetten G Spat Cogn Comput. 2009; 8(4):333-356.

PMID: 19177177 PMC: 2631380. DOI: 10.1080/13875860802286668.

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