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Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

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Published on: January 23, 2017

Transient attention does not alter the eccentricity effect in estimation of duration.

Alina Krug¹, Lisa Valentina Eberhardt², Anke Huckauf²

¹Department of General Psychology, Institute of Psychology and Education, Ulm University, 89069, Ulm, Germany. alina.krug@uni-ulm.de.

Attention, Perception & Psychophysics

|August 7, 2023

Summary

Spatial attention does not explain the eccentricity effect on perceived duration. Transient covert attention, manipulated via cues, did not alter duration underestimation for stimuli at different visual field locations.

Keywords:

Duration estimation Eccentricity Exogenous cueing Spatial attention Time perception Transient attention Visual periphery

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Area of Science:

Psychology
Neuroscience
Cognitive Science

Background:

Stimulus eccentricity influences perceived duration, with underestimation increasing as stimuli move further from fixation.
Spatial attention is known to affect perceived duration, prompting investigation into its role in the eccentricity effect.

Purpose of the Study:

To investigate whether transient covert attention influences the eccentricity effect in duration estimation.
To determine if spatial attention modulates the relationship between stimulus location and perceived time.

Main Methods:

Two experiments (online and laboratory) used a duration estimation task.
Participants compared peripheral stimulus duration to a foveal standard.
Transient covert attention was manipulated using validly or neutrally cued peripheral stimulus locations.

Main Results:

The eccentricity effect was replicated: duration was more underestimated for far stimuli than near stimuli.
Cueing effectively shortened response latencies, indicating successful attentional shifts.
Cueing did not significantly alter the magnitude of the eccentricity effect on duration perception.

Conclusions:

Transient covert attention shifts, induced by cueing, do not account for the eccentricity effect in perceived duration.
The findings suggest that factors other than spatial attention contribute to how stimulus location affects time perception.