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Related Experiment Video

Updated: Jul 4, 2026

Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke
09:42

Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke

Published on: September 1, 2023

Early Multimodal Motor Training After Stroke Promotes Motor Recovery and Whole-Brain Structural Remodeling.

Manuel Teichert1, Sidra Gull1, Karl-Heinz Herrmann2

  • 1Department of Neurology Jena University Hospital Jena Germany.

Journal of the American Heart Association
|July 3, 2026
PubMed
Summary
This summary is machine-generated.

Early multimodal motor training (EMT) after stroke promotes widespread brain structural remodeling and enhances motor recovery. This rehabilitation strategy drives distributed, bilateral, and temporally organized changes across multiple brain systems, not just local adaptation.

Keywords:
brain remodelingfunctional recoverymultimodal motor trainingneurorehabilitationstructural magnetic resonance imaging

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Last Updated: Jul 4, 2026

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Published on: July 10, 2014

Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Neuroimaging

Background:

  • Early task-specific rehabilitation is crucial for stroke recovery.
  • The underlying brain mechanisms of early multimodal motor training (EMT) remain unclear, specifically whether it involves local adaptation or broader structural remodeling.

Purpose of the Study:

  • To investigate the effects of early multimodal motor training (EMT) on structural brain remodeling and motor recovery after stroke in a rat model.
  • To determine if EMT engages local peri-infarct adaptation or widespread brain structural changes.

Main Methods:

  • Male rats underwent focal photothrombotic stroke and were assigned to stroke+EMT, stroke, EMT, or control groups.
  • EMT involved an 8-week obstacle-based training paradigm starting 2 days post-stroke.
  • Longitudinal MRI and deformation-based morphometry quantified structural brain alterations, analyzing spatial and temporal organization of remodeling events.

Main Results:

  • EMT significantly improved poststroke motor recovery compared to stroke or EMT alone.
  • EMT induced broader structural remodeling (82 events) than stroke (15 events) or EMT (10 events) alone.
  • Remodeling was bilateral, extended beyond the peri-infarct zone, involved sensorimotor and higher-order systems, and exhibited distinct temporal profiles.

Conclusions:

  • Early multimodal motor training (EMT) drives distributed, bilateral, and temporally organized structural remodeling across multiple brain systems after stroke.
  • Stroke rehabilitation should be conceptualized as a driver of widespread brain changes, not just local adaptation.
  • Findings support EMT as a strategy promoting comprehensive brain recovery post-stroke.