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

Error accumulation and error correction in sequential pointing movements

O Bock1, K Arnold

  • 1Human Performance Laboratory, York University, Downsview, Ontario, Canada.

Experimental Brain Research
|January 1, 1993
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

Erratum: "The Simons Observatory: Cryogenic half wave plate rotation mechanism for the small aperture telescopes" [Rev. Sci. Instrum. 95, 024504 (2024)].

The Review of scientific instruments·2025
Same author

The Simons Observatory: Cryogenic half wave plate rotation mechanism for the small aperture telescopes.

The Review of scientific instruments·2024
Same author

A cryogenic continuously rotating half-wave plate mechanism for the POLARBEAR-2b cosmic microwave background receiver.

The Review of scientific instruments·2020
Same author

Characterization of transient noise in Advanced LIGO relevant to gravitational wave signal GW150914.

Classical and quantum gravity·2020
Same author

GW150914: First results from the search for binary black hole coalescence with Advanced LIGO.

Physical review. D. (2016)·2020
Same author

Catheter securement impact on PICC-related CLABSI: A university hospital perspective.

American journal of infection control·2020
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

Sequential pointing errors accumulate, but large changes in movement direction reduce this accumulation and enhance error correction. Separate neural mechanisms likely control movement direction and amplitude.

Area of Science:

  • Neuroscience
  • Motor Control
  • Human Movement Analysis

Background:

  • Sequential pointing movements can exhibit accumulating errors.
  • Understanding how movement direction changes affect error accumulation and correction is crucial for motor control research.

Purpose of the Study:

  • To investigate the effect of varying movement direction changes on sequential pointing errors.
  • To analyze the relationship between successive errors and identify error correction mechanisms.

Main Methods:

  • Human subjects performed visually guided pointing movements in a frontal plane.
  • Movement direction changes varied from 0 to 180 degrees.
  • Three-dimensional hand position data were used to calculate pointing errors and analyze successive error correlations using linear regression.

Related Experiment Videos

Main Results:

  • Successive pointing errors along the primary movement direction (x-component) were positively correlated, indicating error accumulation.
  • Large direction changes (≥90 degrees) significantly reduced error accumulation (by ~50%) and increased error correction.
  • Errors in the perpendicular directions (y- and z-components) remained positively correlated and were not reduced by direction changes.

Conclusions:

  • Error accumulation in sequential pointing is modulated by changes in movement direction.
  • Separate neural mechanisms may underlie movement direction and amplitude control, with direction control being more sensitive to changes.
  • Motor performance benefits from reduced error accumulation and increased error correction following substantial changes in movement direction.