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Related Experiment Video

Updated: May 3, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

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Within-hemifield posture changes affect tactile-visual exogenous spatial cueing without spatial precision, especially

Steffan Kennett¹, Jon Driver

¹Department of Psychology, University of Essex, Colchester, CO4 3SQ, UK, skennett@essex.ac.uk.

Attention, Perception & Psychophysics

|January 29, 2014

Summary

This summary is machine-generated.

Body posture influences visual-tactile attention. Visual perception improved with tactile cues on the same side, but this effect depended on whether arm position was visible and aligned with targets.

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Area of Science:

Cognitive Neuroscience
Psychology
Human Perception

Background:

Crossmodal links between vision and touch are crucial for spatial awareness.
Covert spatial attention, influenced by non-predictive cues, plays a role in integrating sensory information.

Purpose of the Study:

To investigate how within-hemifield posture changes, both seen and unseen, affect visual-tactile links in spatial attention.
To determine the role of proprioception and visual feedback of limb position in modulating crossmodal attentional effects.

Main Methods:

Participants performed visual judgments after receiving tactile cues on either the left or right hand.
Arm posture was manipulated (aligned or misaligned with visual targets) and visibility of arms varied across experiments.
Visual target eccentricities were adjusted to test effects of posture alignment under different spatial configurations.

Main Results:

Tactile cues improved visual judgments when on the same side as the target, particularly when arm posture was visible and aligned.
When arms were unseen, posture alignment had less impact on tactile-visual cueing effects.
Significant cueing effects for outer targets were observed only when hands were aligned with them, especially when posture was visible.

Conclusions:

Proprioception can influence visual-tactile links in exogenous spatial attention, but this influence is modulated by visual awareness of posture.
The spatial precision of these crossmodal interactions is limited, particularly when limb posture is not visually perceived.