New Insights into Movement Generation: Sensorimotor Processes—2nd Edition

A special issue of Brain Sciences (ISSN 2076-3425). This special issue belongs to the section "Sensory and Motor Neuroscience".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 689

Special Issue Editor


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Guest Editor
School of Medicine, Osaka Metropolitan University, 3-7-30 Habikino, Habikino 583-8555, Osaka, Japan
Interests: interlimb coordination; tactile localization; motor plan; postural control, transcranial magnetic stimulation; motor evoked potential; central pattern generator
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Special Issue Information

Dear Colleagues,

Sensorimotor processing refers to a process by which sensory information is integrated into a related motor response in the central nervous system. Humans generate movement through planning and executing
motor programs; however, it is also true that the central nervous system collects online somatosensory and visual feedback while generating movement. Sensorimotor processing is, therefore, an intricate process requiring proper orchestration between multiple sources of sensory information, which relies on the proper integration of visual, auditory, and haptic perceptual inputs and efficient interactions between pre-motor and motor cortical areas and the cerebellum.

This Special Issue aims to gather together basic research and clinical studies highlighting motor execution, sensory feedback, and interactions between these phenomena contributing to movement generation.

Prof. Dr. Koichi Hiraoka
Guest Editor

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Keywords

  • motor plan
  • somatosensation
  • sensory–motor integration
  • feedback
  • vision
  • motor execution
  • movement
  • motor control
  • stimulus–response mapping

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Published Papers (1 paper)

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Research

14 pages, 1971 KB  
Article
Bimanual Force Production at 90-Degree Relative Phase with Lissajous Feedback
by Naoki Hamada, Shiho Fukuda, Han Gao, Hitoshi Oda, Hiroshi Kunimura, Taku Kawasaki and Koichi Hiraoka
Brain Sci. 2026, 16(5), 462; https://doi.org/10.3390/brainsci16050462 - 25 Apr 2026
Viewed by 370
Abstract
Background/Objectives: Bimanual movements with a 90° relative phase are typically unstable but can be facilitated by Lissajous visual feedback, which integrates the movements of the two hands into a single visual representation. We examined whether such visual integration leads to a unified [...] Read more.
Background/Objectives: Bimanual movements with a 90° relative phase are typically unstable but can be facilitated by Lissajous visual feedback, which integrates the movements of the two hands into a single visual representation. We examined whether such visual integration leads to a unified sensorimotor representation by testing whether unilateral tactile stimulation suppresses motor output bilaterally during bimanual force production. Methods: Fifteen healthy participants produced rhythmic bimanual index finger flexion with a 90° relative phase under two feedback conditions: Lissajous feedback and individual visual feedback. In each trial, vibrotactile stimulation was applied to either hand or not applied at one of four phases of the force cycle. Force trajectory error and post-stimulus electromyographic (EMG) activity of the first dorsal interosseous muscle were analyzed. Results and Discussion: Lissajous feedback reduced force trajectory error compared with individual feedback. Tactile stimulation did not produce bilateral suppression of motor output. This indicates that visual integration of bimanual movements does not lead to global bilateral suppression of motor output induced by unilateral tactile stimulation. A significant reduction in post-stimulus EMG amplitude was observed only when the right hand was stimulated during one phase of the Lissajous feedback task. This suppression may reflect the unmasking of the tactile stimulus-induced inhibition within sensorimotor processes in the left hemisphere when visual feedback of the two hands is merged into a single representation. Full article
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