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Related Experiment Video

Updated: Dec 22, 2025

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Motor adaptation distorts visual space.

Irene Petrizzo¹, Giovanni Anobile¹, Roberto Arrighi¹

¹Department of Neuroscience, Psychology, Pharmacology and Child Health, University of Florence, Florence, Italy.

Vision Research

|May 7, 2020

Summary

This summary is machine-generated.

The human brain uses a shared spatial metric for both vision and movement. Self-produced tapping movements altered visual perception, showing a link between visual and motor systems.

Keywords:

Adaptation Cross-modal perception Motor adaptation Space perception

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Area of Science:

Neuroscience
Perception
Motor Control

Background:

The human visual system uses an adaptable spatial metric for representation.
Adaptation to visual textures can alter perceived spatial separation.
It remains unclear if this spatial metric is exclusive to vision or shared across senses.

Purpose of the Study:

To investigate whether the spatial metric used by the visual system is shared with the motor system.
To explore cross-modal interactions in spatial perception.

Main Methods:

A cross-modal adaptation paradigm was employed.
Participants performed brief mid-air self-produced tapping movements.
Following adaptation, the perceived separation of visual dot pairs was measured.

Main Results:

Self-produced tapping movements induced a significant compression in the perceived separation of subsequently viewed dot pairs.
This effect occurred in the spatial region corresponding to the tapping movements.
The findings demonstrate a cross-modal after-effect between motor activity and visual spatial perception.

Conclusions:

The metric for computing spatial relationships is shared between the visual and motor systems.
This visuo-motor spatial metric may support efficient action programming and interaction with the environment.
The study reveals a functional link between sensory perception and motor control in spatial representation.