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

Calibration and alignment are separable: evidence from prism adaptation.

G M Redding1, B Wallace

  • 1Illinois State University, Department of Psychology, Campus Box 4620, Normal, IL 61790-4620, USA. gredding@ilstu.edu

Journal of Motor Behavior
|December 6, 2001
PubMed
Summary

Visibility of limb starting position during prism adaptation influences pointing accuracy. Visual feedback availability, however, separately determines aftereffects, suggesting distinct mechanisms for calibration and alignment.

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

"Just too busy living in the moment and surviving": barriers to accessing health care for structurally vulnerable populations at end-of-life.

BMC palliative care·2019
Same author

Common Creatine Kinase gene mutation results in falsely reassuring CK levels in muscle disorders.

QJM : monthly journal of the Association of Physicians·2015
Same author

Phenomenal versus process explanations of prism aftereffects.

Journal of motor behavior·2009
Same author

Cartilage loss occurs in the same subregions as subchondral bone attrition: a within-knee subregion-matched approach from the Multicenter Osteoarthritis Study.

Arthritis and rheumatism·2009
Same author

Surgical therapy for Parkinson's disease.

Journal of neural transmission. Supplementum·2006
Same author

Evidence for social learning in the self-presentation of alcohol problems.

Alcohol and alcoholism (Oxford, Oxfordshire)·2004

Area of Science:

  • Motor control
  • Perceptual learning
  • Human motor performance

Background:

  • Prism adaptation is a model for understanding sensorimotor adaptation.
  • The roles of visual feedback and proprioceptive information in prism adaptation are debated.
  • Understanding these factors is crucial for explaining how the brain recalibrates movements.

Purpose of the Study:

  • To investigate how limb starting position visibility affects prism adaptation.
  • To determine the impact of visual feedback timing on prism adaptation aftereffects.
  • To differentiate the contributions of calibration and alignment processes.

Main Methods:

  • Two experiments were conducted involving prism exposure and target pointing tasks.
  • Participants' limb starting position visibility was manipulated (visible vs. not visible).

Related Experiment Videos

  • Visual feedback availability during pointing movements was varied (early vs. late).

    • Main Results:

    • Increased constant error and decreased variable error in pointing were observed when limb starting position was visible.
    • Prism adaptation aftereffects were dependent on visual feedback availability, irrespective of limb starting position visibility.
    • Calibration was linked to limb starting position visibility, while alignment was linked to visual feedback timing.

    Conclusions:

    • Limb starting position visibility plays a key role in the calibration of sensorimotor systems.
    • Visual feedback availability independently influences the alignment process during prism adaptation.
    • These findings suggest distinct neural mechanisms underlie calibration and alignment in motor learning.