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Related Experiment Video

Updated: Jan 26, 2026

Methods to Test Visual Attention Online

Methods to Test Visual Attention Online

Published on: February 19, 2015

Effect of spatial attention on spatiotopic visual motion perception.

Sanae Yoshimoto¹, Tatsuto Takeuchi²

¹Graduate School of Integrated Arts and Sciences, Hiroshima University, Hiroshima, Japan.

Journal of Vision

|April 4, 2019

Summary

Spatial attention is crucial for perceiving spatiotopic visual motion. Directing attention away eliminates spatiotopic motion priming, highlighting attention

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Area of Science:

Neuroscience
Perception Psychology
Visual Cognition

Background:

Visual perception remains stable despite constant retinal image motion due to eye movements.
Spatiotopic representation is key to visual stability, but its precise mechanisms, especially concerning attention, are debated.
Existing studies show varied results on spatiotopic representation, potentially due to differences in attentional deployment.

Purpose of the Study:

To investigate the role of spatial attention in perceiving spatiotopic visual motion.
To determine if attentional resources are necessary for the rapid development of spatiotopic representations.

Main Methods:

Employed psychophysical methods using visual motion priming with ambiguous stimuli.
Participants performed saccades after a prime stimulus, followed by a test stimulus, to assess priming in different coordinates.
A concurrent dot contrast-change detection task was used to manipulate and control spatial attention.

Main Results:

Prominent positive priming observed in spatiotopic conditions, while negative priming dominated retinotopic conditions.
Spatiotopic positive priming required a minimum interstimulus interval of 600 ms.
Spatiotopic positive motion priming disappeared when attention was diverted and enhanced when attention was focused on the test stimulus location.

Conclusions:

Spatial attention is essential for the development of spatiotopic visual motion representation.
Attentional resources facilitate faster spatiotopic representation, contributing to stable visual perception.
Findings clarify the interplay between attention, eye movements, and stable visual perception.