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 Experiment Videos

Changes of cortical activity when executing learned motor sequences.

W Lang1, R Beisteiner, G Lindinger

  • 1Neurologische Universitätsklinik Wien, AKH, Austria.

Experimental Brain Research
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Transcranial Pulse Stimulation (TPS) - A highly focused brain stimulation therapy with 3D navigation.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2022
Same author

To jump or not to jump - The Bereitschaftspotential required to jump into 192-meter abyss.

Scientific reports·2019
Same author

Limb-kinetic apraxia affects activities of daily living in Parkinson's disease: a multi-center study.

European journal of neurology·2016
Same author

Prospective multi-center study of an automatic online seizure detection system for epilepsy monitoring units.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2014
Same author

Differential functional benefits of ultra highfield MR systems within the language network.

NeuroImage·2014
Same author

Fractal image perception provides novel insights into hierarchical cognition.

NeuroImage·2014
Same journal

Changes in synergy formation and modulation during cyclic finger force production tasks in female adults with dystonic cerebral palsy.

Experimental brain research·2026
Same journal

Molecular links between reelin downregulation, topoisomerase IIβ alterations, and proteins involved in Alzheimer pathology in human SH-SY5Y neuroblastoma cell line.

Experimental brain research·2026
Same journal

Motor cortex excitability during spine shape-judgment in adolescent idiopathic scoliosis: a TMS motor evoked potential study.

Experimental brain research·2026
Same journal

Trajectory dynamics and endpoint accuracy in targeted ballistic contractions.

Experimental brain research·2026
Same journal

Exploring Sevoflurane promotes hippocampal neuron mitophagy in elderly postoperative cognitive dysfunction by HSP90AA1 based on network pharmacology.

Experimental brain research·2026
Same journal

Loading modulates monosynaptic transmission from spindle primary afferents to motoneurons in humans.

Experimental brain research·2026
See all related articles

Executing a learned motor sequence involves dynamic brain activity changes, particularly a decline in neural activity in the mesial fronto-central cortex (Cz) during task performance.

Area of Science:

  • Neuroscience
  • Motor Control
  • Cognitive Neuroscience

Background:

  • Understanding the neural mechanisms underlying learned motor sequences is crucial for rehabilitation and performance enhancement.
  • Cortical DC potentials reflect sustained neural activity and have been used to study brain function during motor tasks.

Purpose of the Study:

  • To investigate the changes in cortical DC potentials during the continuous execution of a learned motor sequence.
  • To determine if specific patterns of cortical activity are associated with learned motor sequence execution.

Main Methods:

  • Fifteen right-handed subjects performed a learned four-movement sequence with either their left or right hand for 20 seconds.
  • Electroencephalography (EEG) was used to record DC potentials from mesial fronto-central (Cz) and sensorimotor hand areas (C3, C4).

Related Experiment Videos

  • Movement times and inter-onset latencies were measured to assess motor performance.

    • Main Results:

    • Large negative DC potentials were observed at the beginning of execution in Cz and sensorimotor areas.
    • DC potentials in Cz disappeared by the end of the execution period.
    • Negative DC potentials in the contralateral sensorimotor area decreased but remained present at the end of execution.
    • Variations in DC potential amplitude and topography indicated changes in the size and pattern of cortical activity.

    Conclusions:

    • Learned motor sequence execution is not linked to a fixed pattern of cortical activity.
    • A significant decline in neural activity in the mesial fronto-central area is a key feature during motor sequence execution.
    • Motor performance remained stable despite observed changes in cortical activity patterns.