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

Task-dependent motor learning.

Isaac Kurtzer1, Paul DiZio, James Lackner

  • 1Ashton Graybiel Spatial Orientation Laboratory and Volen Center for Complex Systems, Brandeis University, Waltham, MA 02454-9110, USA. isaac@biomed.queensu.ca

Experimental Brain Research
|October 21, 2003
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

Smooth pursuit eye movements contribute to long-latency reflex modulation in the lower extremity.

Journal of neurophysiology·2025
Same author

Postural stability during illusory self-motion-interactions of vision and touch.

Experimental brain research·2025
Same author

The effect of vibrotactile feedback on performance, perception and trust when balancing in different analog g-levels.

Experimental brain research·2025
Same author

Indecision under time pressure arises from suboptimal switching behavior.

Journal of neurophysiology·2025
Same author

In a visual inverted pendulum balancing task avoiding impending falls gets harder as we age.

Experimental brain research·2025
Same author

Superior performance by two new methods in identifying the online reaction time of reaching movements.

Journal of neurophysiology·2024
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
Same journal

Energy-dependent cortical injury thresholds in high-frequency transcortical electrical stimulation: a biophysical study in a rat model.

Experimental brain research·2026
See all related articles

Motor learning involves task-dependent control. Different goals (spatial vs. effort) modulated feedback and feedforward mechanisms during adaptation to force perturbations, impacting movement accuracy and adaptation.

Area of Science:

  • Motor control and learning
  • Neuroscience
  • Biomechanics

Background:

  • Motor learning enables adaptation to novel dynamics.
  • Task goals can influence motor adaptation strategies.
  • Understanding control mechanisms is crucial for rehabilitation.

Purpose of the Study:

  • To investigate task-dependent modulation of motor control.
  • To examine the roles of feedback and feedforward control in motor learning under different task goals.
  • To elucidate how spatial versus effort goals affect adaptation to force perturbations.

Main Methods:

  • Subjects performed reaching movements under a novel force perturbation.
  • Two task goals were assigned: spatial ('towards target') and effort ('same effort profile').

Related Experiment Videos

  • Movement trajectories were analyzed before, during, and after perturbation exposure.

    • Main Results:

    • Spatial goal led to feedback compensation and feedforward adaptation (reduced deviations, aftereffects).
    • Effort goal resulted in persistent endpoint deviations, lacking feedback compensation and feedforward adaptation.
    • Task-specific differences in initial and terminal movement phases were observed.

    Conclusions:

    • Both feedback and feedforward control mechanisms are modulated by task goals during motor learning.
    • Motor adaptation strategies differ significantly based on whether a spatial or effort goal is adopted.
    • These findings highlight the flexibility of motor control systems in adapting to environmental demands.