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

Cortical processing of hyperacuity tasks.

M A Paradiso1, T Carney, R D Freeman

  • 1Neurobiology Group, University of California, Berkeley 94720.

Vision Research
|January 1, 1989
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

Robotic versus traditional coronary artery bypass grafting (CABG): A dual-phase meta-analysis comparing human and AI-derived evidence.

American journal of surgery·2026
Same author

Linkage to TB and HIV care for persons who smoke illicit drugs: a prospective cohort study.

IJTLD open·2026
Same author

Contamination rates in serially sampled sputum specimens obtained during tuberculosis treatment to capture culture conversion.

Microbiology spectrum·2025
Same author

Contamination rates in serially sampled sputum specimens obtained during tuberculosis treatment to capture culture conversion.

medRxiv : the preprint server for health sciences·2025
Same author

Artificial intelligence based assessment of minimally invasive surgical skills using standardised objective metrics - A narrative review.

American journal of surgery·2024
Same author

Smoked drug use in patients with TB is associated with higher bacterial burden.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2023
Same journal

Computational and mathematical models in vision: Quantitative approaches to understanding visual perception.

Vision research·2026
Same journal

Complex interactions between lightness, chroma, and hue in color ensemble perception.

Vision research·2026
Same journal

Driving with autism spectrum disorder: Exploring the impact of tactile hazard warnings on gaze behavior and hazard responses.

Vision research·2026
Same journal

Early visual processing in adults with ADHD: evidence from contrast sensitivity, spatial integration, and external noise.

Vision research·2026
Same journal

Pupil reflexes generate the peripheral drift illusion due to ON/OFF motion responses.

Vision research·2026
Same journal

Perceived direction of glass patterns can flip by 90°: A neural model.

Vision research·2026
See all related articles

Visual perception allows precise comparison of stimuli, even when spatially separated. This suggests higher-level brain processing, not just early visual neuron activity, underlies accurate spatial discrimination.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Understanding spatial discrimination is crucial for visual processing models.
  • Previous research suggested local neuronal activity primarily determines visual discriminability.

Purpose of the Study:

  • To investigate if spatial discrimination thresholds differ when comparing stimuli at the same versus different visual field locations.
  • To determine the role of early visual processing areas in spatial feature comparison.

Main Methods:

  • Subjects performed line orientation and spatial interval discrimination tasks.
  • Stimuli were presented successively at the same or different visual field locations.
  • Stimuli were sometimes presented to activate non-homologous positions and contralateral cortical hemispheres.

Related Experiment Videos

Main Results:

  • Discrimination thresholds were comparable whether stimuli were spatially separated or co-located.
  • This held true even for stimuli in non-homologous positions or activating different hemispheres.
  • Findings indicate discriminability is not solely dependent on early visual neuron firing rates.

Conclusions:

  • Precise coding of visual attributes occurs at higher levels of visual processing.
  • This supports models where visual information is compared across different spatial locations at advanced processing stages.
  • The study has implications for understanding hyperacuity and visual information integration.