Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Lateralization01:28

Lateralization

1.4K
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
1.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Anthropogenic perturbations to atmospheric methane reflected in Greenland firn air clumped isotope measurements.

Science advances·2026
Same author

Transcranial direct current stimulation with motor-learning based gait therapy post-stroke: A randomized controlled trial.

Brain stimulation·2026
Same author

Motor imagery and resistance training improve strength in older adults through distinct effects on agonist-antagonist coordination.

Frontiers in psychology·2026
Same author

Feasibility Randomized Controlled Trial of Real-Time fMRI Neurofeedback for Reading Rehabilitation in Aphasia.

Stroke·2026
Same author

Towards an understanding of disturbed sleep phenotypes after traumatic spinal cord injury.

Journal of rehabilitation medicine·2026
Same author

Age-dependent gut microbiota associated with intramuscular fat deposition in Longdong cashmere goats.

Animal microbiome·2026

Related Experiment Video

Updated: Apr 18, 2026

Author Spotlight: Using Motor Imagery Brain-Computer Interface to Improve Motor and Cognitive Function in Stroke Patients
09:42

Author Spotlight: Using Motor Imagery Brain-Computer Interface to Improve Motor and Cognitive Function in Stroke Patients

Published on: September 1, 2023

2.4K

Hemispheric activation during planning and execution phases in reaching post stroke: a consort study.

Yin Fang1, Janis J Daly, Jeff Hansley

  • 1From the Departments of Biomedical Engineering, Cleveland Clinic, Cleveland, OH 44195 (YF, JH, QY, GHY); Departments of Physical Medicine and Rehabilitation, Cleveland Clinic, Cleveland, OH 44195 (GHY); Departments of Cognitive and Motor Learning Research Program, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106 (JJD, KH, SP); Department of Neurology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106 (JJD, SP); Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH 44106 (JS); Human Performance and Engineering Research, Kessler Foundation, West Orange, NJ 07052 (GHY); Departments of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Rutgers University, Newark, NJ 07103 (GHY); Department of Kinesiology, Health and Nutrition, University of Texas at San Antonio, San Antonio, TX 78249, USA (WXY).

Medicine
|January 27, 2015
PubMed
Summary

Stroke patients show increased brain activation in the non-affected hemisphere during upper limb movement. This heightened activity is linked to motor planning, not execution, suggesting a role in preparing movements after stroke.

More Related Videos

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
15:00

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

Published on: May 2, 2021

4.2K
Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
07:06

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury

Published on: March 21, 2025

1.3K

Related Experiment Videos

Last Updated: Apr 18, 2026

Author Spotlight: Using Motor Imagery Brain-Computer Interface to Improve Motor and Cognitive Function in Stroke Patients
09:42

Author Spotlight: Using Motor Imagery Brain-Computer Interface to Improve Motor and Cognitive Function in Stroke Patients

Published on: September 1, 2023

2.4K
The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
15:00

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

Published on: May 2, 2021

4.2K
Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
07:06

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury

Published on: March 21, 2025

1.3K

Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Motor Control

Background:

  • Enhanced activation in the non-lesion hemisphere during affected limb movement is common in stroke survivors.
  • The precise functional role of this contralesional activation in motor planning and execution remains unclear.

Purpose of the Study:

  • To characterize non-lesion hemisphere activation during motor planning and execution in chronic stroke patients.
  • To investigate the functional role of this activation in relation to motor deficits.

Main Methods:

  • Used high-density electroencephalography (EEG) with 64 channels to record brain activity.
  • Applied low-resolution electromagnetic tomography (LORETA) and independent component analysis to localize and quantify EEG sources.
  • Analyzed brain activation at 17 time points during movement preparation and execution in 10 stroke patients and 5 controls.

Main Results:

  • Stroke patients exhibited stronger source strength in sensorimotor cortices compared to controls.
  • The contralesional/lesional activation ratio (CTLR) was significantly higher in stroke patients during movement planning, but not execution.
  • CTLR was higher during planning than execution in the stroke group.

Conclusions:

  • Excessive contralesional motor cortical activation in chronic stroke is primarily associated with movement preparation.
  • This finding suggests a potential role for non-lesion hemisphere overactivity in the planning deficits seen after stroke.