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

Perceptual learning of spatial localization: specificity for orientation, position, and context

R E Crist1, M K Kapadia, G Westheimer

  • 1Department of Neurobiology, The Rockefeller University, New York, New York 10021, USA.

Journal of Neurophysiology
|February 7, 1998
PubMed
Summary

Visual attribute learning, like line segment localization, significantly improves with practice. This visual learning is specific to stimulus orientation and location, suggesting early visual cortex involvement.

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

The effect of spacing regularity on visual crowding.

Journal of vision·2010
Same author

Gestalt factors modulate basic spatial vision.

Psychological science·2010
Same author

First description of aniseikonia.

The British journal of ophthalmology·2006
Same author

Fatty acid indices of stearoyl-CoA desaturase do not reflect actual stearoyl-CoA desaturase enzyme activities in adipose tissues of beef steers finished with corn-, flaxseed-, or sorghum-based diets.

Journal of animal science·2005
Same author

Carcass, sensory, and adipose tissue traits of Brangus steers fed casein-formaldehyde-protected starch and/or canola lipid.

Journal of animal science·2003
Same author

Conjugated linoleic acid depresses the delta9 desaturase index and stearoyl coenzyme A desaturase enzyme activity in porcine subcutaneous adipose tissue.

Journal of animal science·2002

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Visual Perception

Background:

  • Perceptual learning enhances the ability to discriminate sensory information.
  • Visual attribute discrimination, particularly in the periphery, is crucial for real-world tasks.

Purpose of the Study:

  • To investigate the specificity of practice-based learning for visual attribute discrimination.
  • To determine the neural locus and mechanisms underlying visual perceptual learning.

Main Methods:

  • Human observers trained on peripheral line segment localization tasks.
  • Assessment of learning specificity for stimulus orientation, location, and configuration.
  • Analysis of threshold reductions following several weeks of training.

Related Experiment Videos

Main Results:

  • Significant reductions in detection thresholds observed after training.
  • Learning was highly specific to the trained stimulus's orientation and location.
  • Improvement demonstrated specificity for stimulus configuration and the attended attribute.

Conclusions:

  • Practice-induced visual learning involves early visual cortical mechanisms.
  • Specificity suggests learning refines lateral interactions and attentional gating, not just cortical recruitment.