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Updated: Mar 25, 2026

An Emerging Target Paradigm to Evoke Fast Visuomotor Responses on Human Upper Limb Muscles

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Published on: August 25, 2020

Temporal Evolution of Spatial Computations for Visuomotor Control.

David W Franklin¹, Alexandra Reichenbach², Sae Franklin³

¹Computational and Biological Learning Laboratory, Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, United Kingdom, dwf25@cam.ac.uk.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience

|February 26, 2016

Summary

This summary is machine-generated.

The brain

Keywords:

motor control neural computations visual processing visuomotor

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Last Updated: Mar 25, 2026

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Published on: March 21, 2019

Area of Science:

Neuroscience
Motor Control
Human Physiology

Background:

Goal-directed movements rely on visual feedback of target and hand.
Current models suggest immediate computation of movement error vectors.

Purpose of the Study:

Investigate the temporal dynamics of visuomotor computations during fast feedback control.
Determine if target and hand position errors are processed simultaneously or sequentially.

Main Methods:

Utilized behavioral experiments to perturb visual feedback during reaching movements.
Analyzed kinematic data to assess motor responses to visual errors over time.

Main Results:

Motor responses initially showed independent adjustments to hand and target location errors.
Averaged 200 ms post-perturbation, responses integrated hand and target information to approximate the true difference vector.
Demonstrated a temporal evolution in spatial computation rather than immediate vector calculation.

Conclusions:

Visuomotor feedback control involves a dynamic, time-evolving computation of movement error.
Fast visuomotor control employs an initial approximation that gradually refines into an accurate difference vector.