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

Attention-based texture segregation.

T V Papathomas1, A Gorea, A Feher

  • 1Rutgers University, Laboratory of Vision Research, Piscataway, NJ 08854, USA. papathom@zeus.rutgers.edu

Perception & Psychophysics
|November 26, 1999
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

Systematic analysis of different pluripotent stem cell-derived cardiac myocytes as potential testing model for cardiocytoprotection.

Vascular pharmacology·2020
Same author

Super-bandgap light stimulated reversible transformation and laser-driven mass transport at the surface of As<sub>2</sub>S<sub>3</sub> chalcogenide nanolayers studied <i>in situ</i>.

The Journal of chemical physics·2018
Same author

First <i>Cryptosporidium</i> outbreak in Hungary, linked to a treated recreational water venue in 2015.

Epidemiology and infection·2018
Same author

Spin-glass polyamorphism induced by a magnetic field in LaMnO<sub>3</sub> single crystal.

Journal of physics. Condensed matter : an Institute of Physics journal·2018
Same author

Modulation of central endocannabinoid system results in gastric mucosal protection in the rat.

Brain research bulletin·2018
Same author

Hysteresis of Low-Temperature Thermal Conductivity and Boson Peak in Glassy (g) As<sub>2</sub>S<sub>3</sub>: Nanocluster Contribution.

Nanoscale research letters·2017
Same journal

Response organization in selective adaptation to speech sounds.

Perception & psychophysics·2014
Same journal

Reaction times to comparisons within and across phonetic categories.

Perception & psychophysics·2012
Same journal

Auditory and phonetic memory codes in the discrimination of consonants and vowels.

Perception & psychophysics·2012
Same journal

Simple and contingent adaptation effects for place of articulation in stop consonants.

Perception & psychophysics·2012
Same journal

Auditory property detectors and processing place features in stop consonants.

Perception & psychophysics·2012
Same journal

Visual working memory for line orientations and face identities.

Perception & psychophysics·2008
See all related articles

Attentional strategies can improve texture segregation by focusing on specific visual features. Guiding observers to isolate subsets of visual information, like color or orientation, enhances edge detection performance.

Area of Science:

  • Visual Perception
  • Cognitive Psychology
  • Computational Neuroscience

Background:

  • Texture segregation relies on differentiating regions based on visual attributes like orientation, color, and luminance.
  • Understanding how the brain processes complex visual information, particularly conjunctions of features, is crucial for explaining visual perception.
  • Attentional mechanisms are known to modulate sensory processing, but their specific role in complex texture segregation remains an active area of research.

Purpose of the Study:

  • To investigate whether instructing observers to attend to specific visual feature subsets improves performance in texture segregation tasks.
  • To compare the effectiveness of attentional cuing for single-feature versus double-conjunction texture pairs.
  • To explore the impact of feature cuing on color/orientation and luminance/orientation conjunctions.

Related Experiment Videos

Main Methods:

  • Creation of single-feature and double-conjunction texture pairs using luminance, color, and orientation variations.
  • Experimental design involving two groups: a test group receiving explanations and cues, and a control group without.
  • Quantitative analysis of observer performance in identifying global edges within textured regions under different attentional conditions.

Main Results:

  • Feature cuing demonstrated a statistically significant, albeit small, improvement in texture segregation performance.
  • Attentional cuing was more effective for color/orientation conjunctions than for luminance/orientation conjunctions.
  • Performance improvements were observed over time even without explicit cuing, suggesting practice effects, though not all observers improved.

Conclusions:

  • Attentional strategies that isolate specific visual features can enhance texture segregation capabilities.
  • The findings support theories involving attentional modulation of visual processing, potentially through signal enhancement or noise suppression mechanisms.
  • Texture segregation is a dynamic process influenced by both stimulus properties and top-down attentional control.