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Related Experiment Video

Updated: Jul 8, 2026

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

Published on: March 3, 2018

Neck muscle vibration in full cues affects pointing.

Sarah McIntyre¹, Tatjana Seizova-Cajic

¹School of Psychology, University of Sydney, Sydney, NSW, Australia. sarahmc@psych.usyd.edu.au

Journal of Vision

|January 26, 2008

Summary

Neck proprioception influences visual perception and motor actions. Neck vibration caused a significant pointing bias, demonstrating its role in guiding actions even with full visual cues.

Area of Science:

Neuroscience
Perception
Motor Control

Background:

Neck proprioception normally active during head movement can induce visual illusions.
Spatial constancy theory suggests head movement information is crucial for accurate visual object localization.
Previous studies lacked evidence for vibration's effect on pointing in structured visual fields.

Purpose of the Study:

To investigate if neck proprioceptive signals affect pointing accuracy in a structured visual environment.
To provide evidence for the role of neck proprioception in egocentric localization for motor actions.

Main Methods:

Participants (N=11) pointed at visual targets with an unseen hand.
Vibration was applied to the dorsolateral neck for 12 seconds on either side.

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Pointing responses were measured in an illuminated, structured visual field.

Main Results:

Vibration of the right neck induced a significant 26-mm lateral pointing bias compared to left neck vibration.
The pointing bias occurred alongside reported visual target stationariness.
This suggests a conflict between body-centric position cues (neck proprioception) and motion perception cues.

Conclusions:

Neck proprioceptive signals influence motor actions even with complete visual cues.
The mechanism integrating neck proprioception operates in full cue environments.
A conflict between proprioceptive and visual motion cues may underlie the observed pointing bias.