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

Dissociable coordinate frames of unilateral spatial neglect: "viewer-centered" neglect

A E Hillis1, B Rapp, L Benzing

  • 1Department of Neurology, Johns Hopkins University School of Medicine.

Brain and Cognition
|September 12, 1998
PubMed
Summary

Unilateral spatial neglect (USN) following stroke often affects the viewer's left side, using viewer-centered coordinates. This contrasts with other USN cases and suggests independent impacts on visual processing coordinate frames.

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

DeepNSI: Element identification in experimental photoneutron spectra for illicit material detection.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2025
Same author

Longitudinal changes in functional connectivity networks in the first year following stroke.

bioRxiv : the preprint server for biology·2025
Same author

The form of reference frames in vision: The case of intermediate shape-centered representations.

Neuropsychologia·2021
Same author

Vigilance behaviors and EEG activity in sustained attention may affect acute pain.

Journal of systems and integrative neuroscience·2021
Same author

Oscillatory EEG activity induced by conditioning stimuli during fear conditioning reflects Salience and Valence of these stimuli more than Expectancy.

Neuroscience·2017
Same author

Accuracy of a dose-area product compared to an absorbed dose to water at a point in a 2 cm diameter field.

Medical physics·2016

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Ophthalmology

Background:

  • Unilateral spatial neglect (USN) is a cognitive deficit often resulting from stroke, characterized by a failure to respond to stimuli on one side of space.
  • The spatial frame of reference for USN (e.g., viewer-centered vs. object-centered) remains a key area of investigation.

Observation:

  • Three stroke patients with USN were analyzed using reading and nonlexical tasks.
  • USN in these patients consistently affected the left side relative to the viewer's head, body midline, or line of sight.

Findings:

  • The frame of reference for USN in these cases was primarily viewer-centered, with one patient exhibiting retinotopic (line of sight) neglect.
  • This viewer-centered frame contrasts with previously reported stimulus-centered or object-centered frames in other USN patients.

Related Experiment Videos

  • Results suggest that USN can independently affect different coordinate frames within visual processing.

    • Implications:

    • Findings support a multi-coordinate frame model of visual processing, clarifying the spatial basis of USN.
    • Understanding the specific frame of reference for USN is crucial for targeted rehabilitation strategies.
    • This research advances our comprehension of how brain damage impacts spatial awareness and visual perception.