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

Oblique effects beyond low-level visual processing.

Sven P Heinrich1, Ad Aertsen, Michael Bach

  • 1Elektrophysiologisches Labor, Univ.-Augenklinik Freiburg, Killianstr. 5, 79106 Freiburg, Germany. sven.heinrich@uniklinik-freiburg.de

Vision Research
|February 6, 2008
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

Feasibility of lung imaging at 0.55T for assessment of interstitial lung disease in patients with pulmonary sarcoidosis.

European radiology·2026
Same author

AI-Based Opportunistic CT Risk Assessment Using TotalSegmentator in Osteoporotic Vertebral Fractures.

Journal of imaging informatics in medicine·2026
Same author

Assessing Visual Function in Retinal Gene Therapy.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

AI-Based Myocardial Segmentation and Attenuation Mapping Improved Detection of Myocardial Ischemia and Infarction on Emergency CT Angiography.

Bioengineering (Basel, Switzerland)·2026
Same author

Impact of CT dose on AI performance: A comparison of radiomics, deep, and foundation models in a multicentric anthropomorphic phantom study.

Medical physics·2026
Same author

Impact of pulsed stimulation on objective and subjective visual acuity measurements in nystagmus.

Documenta ophthalmologica. Advances in ophthalmology·2025
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
Same journal

Effects of color-enhancing filters on color salience in normal trichromats.

Vision research·2026
See all related articles

Neural processing of complex visual Gestalts shows an "oblique effect" opposite to previous findings. This suggests long-term environmental experience may bias neural responses to visual orientation.

Area of Science:

  • Neuroscience
  • Visual Perception
  • Cognitive Psychology

Background:

  • Previous studies link reduced neural activity for oblique gratings to the psychophysical oblique effect.
  • The neural basis of higher-order visual processing and its orientation dependence remains incompletely understood.

Purpose of the Study:

  • To investigate neural activity during the processing of higher-order visual stimuli with different orientations using event-related potentials (ERPs).
  • To explore the influence of stimulus orientation on Gestalt perception and associated neural correlates.

Main Methods:

  • A novel stimulus paradigm was employed to isolate mid- and high-level visual processing by minimizing low-level responses.
  • Participants viewed line grid Gestalts oriented either cardinally or at 45 degrees (oblique).

Related Experiment Videos

  • Event-related potentials (ERPs) were recorded and analyzed for orientation-dependent differences.

    • Main Results:

    • Distinct ERPs were observed, indicating a Gestalt processing correlate independent of orientation.
    • A P300-like component showed a significant 50% increase for the 45-degree oblique Gestalt compared to cardinal orientations.
    • This observed oblique effect in neural processing was contrary to prior research using simple gratings.

    Conclusions:

    • The study identified an orientation-independent neural correlate for Gestalt processing.
    • A larger P300-like response for oblique Gestalts suggests an 'oblique effect' in higher-order visual processing.
    • This reversed oblique effect may stem from neural processing biases shaped by long-term environmental exposure to cardinal orientations.