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-specific sensorimotor adaptation to reversing prisms.

Jonathan J Marotta1, Gerald P Keith, J Douglas Crawford

  • 1York Centre for Vision Research and Canadian Institutes of Health Research Group for Action and Perception, Department of Psychology, York University, Toronto, Ontario, Canada. marotta@cc.umanitoba.ca

Journal of Neurophysiology
|September 24, 2004
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

Vibrotactile augmentation enhances late-phase control in sequential reaching without accuracy costs.

Frontiers in human neuroscience·2026
Same author

Cortical mechanisms for transsaccadic vision: Extrinsic and intrinsic feature updating.

Neuroscience and biobehavioral reviews·2026
Same author

Anticipatory gaze in a reaching-and-grasping task when target movement direction is uncertain: evidence of statistical learning.

Frontiers in psychology·2026
Same author

Are onscreen cursor movements influenced by the Ebbinghaus illusion? Exploring perception-action interaction in a virtual environment.

Perception·2025
Same author

Saccades influence functional modularity in the human cortical vision network.

Scientific reports·2025
Same author

Neural integration of egocentric and allocentric visual cues in the gaze system.

Journal of neurophysiology·2024
Same journal

Comprehensive Analysis of Auditory Nerve Fiber Responses using Fiber-Specific Modeling.

Journal of neurophysiology·2026
Same journal

HCN channels modulate the medium afterhyperpolarization and adjust the firing gain of fast alpha motoneurons in mice.

Journal of neurophysiology·2026
Same journal

Targeting intracranial electrical stimulation to network regions defined within individuals causes network-level effects.

Journal of neurophysiology·2026
Same journal

When "Noise" Isn't Simply Noise: Deterministic Postural Drive During Noisy Galvanic Vestibular Stimulation (nGVS).

Journal of neurophysiology·2026
Same journal

Abrupt Scene Onsets and Gradually Emerging Scene Information Produce Distinct EEG Decoding Dynamics.

Journal of neurophysiology·2026
Same journal

From discovery to translation: charting a course for the <i>Journal of Neurophysiology</i>.

Journal of neurophysiology·2026
See all related articles

Visuospatial adaptation to reversing prisms involves learning specific sensorimotor transformations, not general spatial map changes. This adaptation is task-specific, impacting reach or grasp independently.

Area of Science:

  • Cognitive Neuroscience
  • Human Motor Control
  • Perception and Action

Background:

  • Visuospatial adaptation is crucial for navigating altered sensory environments.
  • Understanding how the brain adapts to distortions like visual reversal is key to motor learning research.

Purpose of the Study:

  • To investigate the levels of visuospatial adaptation: global map, feature modules, or sensorimotor transformations.
  • To determine if adaptation to visual reversal is task-specific or feature-specific.

Main Methods:

  • Subjects reached and grasped virtual objects under left-right reversing prism conditions.
  • Training involved either visual location or orientation feedback.
  • Task-specific errors were analyzed to differentiate adaptation mechanisms.

Related Experiment Videos

Main Results:

  • Location feedback led to correct reach but incorrect grasp orientation.
  • Orientation feedback resulted in the opposite pattern of errors.
  • Errors were specific to the task (reach or grasp), not the object's features.

Conclusions:

  • Visuospatial adaptation to global reversals is implemented via parallel sensorimotor transformations.
  • Learning rules operate independently on different transformations, such as reach versus grasp.
  • Adaptation is not based on updating a global spatial map but on specific motor outputs.