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Related Experiment Video

Updated: May 26, 2026

Testing Tactile Masking between the Forearms

Testing Tactile Masking between the Forearms

Published on: February 10, 2016

No masking between test and mask components in perceptually different depth planes.

Patrick J Hibbeler¹, Lynn A Olzak

¹Department of Psychology, Miami University, Oxford, OH 45056, USA. hibbelpj@muohio.edu

|January 3, 2012

Summary

Depth perception in visual tasks significantly impacts how stimuli are processed. Separating visual elements into different depth planes prevents masking effects, regardless of figure-ground organization.

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Area of Science:

Visual perception
Depth organization
Psychophysics

Background:

Two-dimensional (2-D) cues are utilized to organize perceived depth.
These cues segregate test and mask stimulus components in visual discrimination tasks.

Purpose of the Study:

To investigate the influence of perceived depth planes on visual masking.
To determine if figure-ground organization affects masking effectiveness.

Main Methods:

Observers performed spatial-frequency or orientation judgments on test stimuli.
Masking conditions included same-plane (shared depth) and different-plane (distinct depth) arrangements.
Perceived occlusion was used to manipulate depth plane separation.

Main Results:

Masking effects were eliminated when test and mask components were in different depth planes.
This effect was consistent regardless of which component appeared closer (test or mask).
Figure-ground organization did not influence masking effectiveness.

Conclusions:

Depth plane segregation is the critical factor determining visual masking.
The spatial relationship of elements in depth, not their figure-ground status, dictates interference.