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Related Experiment Video

Updated: Jun 27, 2026

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors

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Published on: May 2, 2021

Implicit online corrections of reaching movements.

¹NTT Communication Science Laboratories, Nippon Telegraph and Telephone Corporation, Morinosato, Atsugi, Kanagawa-Pref, Japan. gomi@idea.brl.ntt.co.jp

Current Opinion in Neurobiology

|December 20, 2008

Summary

Neuroscience research reveals that subconscious online reaching corrections, guided by visual motion, supplement voluntary motor commands. Understanding these implicit mechanisms is key to explaining complex arm control and visually guided movements.

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Area of Science:

Neuroscience
Motor Control
Computational Neuroscience

Background:

Arm control studies focus on planning, generation, and correction of aimed movements.
Subconscious online reaching corrections to target shifts are increasingly studied.
Visual motion influences manual responses, suggesting additional online compensatory mechanisms.

Purpose of the Study:

To investigate the mechanisms of online reaching correction.
To explore the role of visual motion in compensatory movements.
To understand the neural substrates underlying visually guided responses.

Main Methods:

Computational analysis of reaching movements.
Physiological examination of motor responses.
Pathological viewpoint analysis.

Main Results:

Evidence suggests a quick manual response to surrounding visual motion.
Multiple online visually guided correction mechanisms implicitly govern reaching control.
Action contexts modulate the response to visual motion.

Conclusions:

Reaching control involves both preprogrammed voluntary commands and multiple online visual correction mechanisms.
Further research is needed to reveal the unknown mechanisms and neural substrates of visual motion responses.
Understanding these processes is crucial for explaining complex arm movements and visually guided behavior.