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

Searching with unilateral neglect.

Marina Pavlovskaya1, Haim Ring, Zeev Groswasser

  • 1Institute of Life Sciences, Hebrew University, Jerusalem 91904, Israel.

Journal of Cognitive Neuroscience
|August 9, 2002
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

Neural Patterns Reveal Lateral Occipital Complex Representation of Ensemble Mean Orientation.

eNeuro·2026
Same author

Comparing explicit and implicit ensemble perception: 3 stimulus variables and 3 presentation modes.

Attention, perception & psychophysics·2023
Same author

Perceptual history biases in serial ensemble representation.

Journal of vision·2023
Same author

High-level visual search in children with autism.

Journal of vision·2022
Same author

Introduction to the special issue on ensemble perception.

Attention, perception & psychophysics·2021
Same author

Perceiving ensemble statistics of novel image sets.

Attention, perception & psychophysics·2021
Same journal

Sensorimotor Adaptation of Vocal Pitch Is Impaired in Cerebellar Ataxia.

Journal of cognitive neuroscience·2026
Same journal

Memory in the Palm of Your Hand: Smartphone-based Methods for Measuring Memory in the Wild.

Journal of cognitive neuroscience·2026
Same journal

Processing Asymmetry in Object-modifying Relative Clauses: Evidence from Functional Connectivity.

Journal of cognitive neuroscience·2026
Same journal

Extensive Experience Remodels Neural Task Circuitry to Escape the Frontal Bottleneck and Increase Automaticity of Categorization.

Journal of cognitive neuroscience·2026
Same journal

Investigating the Effects of Acute Stress on Neural Mechanisms of Self-controlled Decision-making.

Journal of cognitive neuroscience·2026
Same journal

Distilling the Neurophenomenological Signatures of Pure Awareness during Transcendental Meditation.

Journal of cognitive neuroscience·2026
See all related articles

This study reveals that both feature and conjunction visual search require attention, challenging prior theories. It also demonstrates that visual neglect following brain damage involves both spatial and object-based processing working together.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Unilateral neglect is a cognitive disorder affecting spatial awareness after brain injury.
  • The role of attention in visual search and the mechanisms underlying neglect remain debated.

Purpose of the Study:

  • To investigate whether feature search is attention-independent or requires "spread attention."
  • To determine if visual neglect is primarily space-based or object-based.
  • To examine the interplay between spatial and object-based neglect mechanisms.

Main Methods:

  • Assessed feature and conjunction visual search performance in patients with unilateral neglect.
  • Utilized laterally presented search arrays to differentiate spatial and object-based effects.

Related Experiment Videos

  • Analyzed performance in relation to the location of search elements within the visual field.

    • Main Results:

    • Neglect effects were observed for both feature and conjunction visual search, indicating an attentional requirement for feature search.
    • Conjunction search in patients with right-hemisphere parietal damage exhibited both strong object-based and space-based neglect effects.
    • These findings suggest that spatial and object-based neglect mechanisms operate concurrently.

    Conclusions:

    • Feature visual search is not preattentive and necessitates attentional engagement.
    • Visual neglect following unilateral right-hemisphere damage is influenced by both spatial location and object properties.
    • Spatial and object-based processing interact in visual neglect, challenging purely space- or object-centered theories.