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

A probabilistic multidimensional model of location information

W T Maddox1, W Prinzmetal, R B Ivry

  • 1Estes Lab, Department of Psychology, Harvard University, Cambridge, MA 02138.

Psychological Research
|January 1, 1994
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

Personalized transcranial alternating current stimulation improves sleep quality: Initial findings.

Frontiers in human neuroscience·2023
Same author

Sex differences in cognitive performance and alcohol consumption in High Alcohol-Drinking (HAD-1) rats.

Behavioural brain research·2020
Same author

Individual differences in TMS sensitivity influence the efficacy of tDCS in facilitating sensorimotor adaptation.

Brain stimulation·2019
Same author

Sex-specific ultrasonic vocalization patterns and alcohol consumption in high alcohol-drinking (HAD-1) rats.

Physiology & behavior·2017
Same author

Toward a dual-learning systems model of speech category learning.

Frontiers in psychology·2014
Same author

Reduced Timing Variability in Patients with Unilateral Cerebellar Lesions during Bimanual Movements.

Journal of cognitive neuroscience·2013

This study introduces a new model for location discrimination, explaining perception errors in visual tasks. The model successfully accounts for illusions like distance compression and the bisection illusion.

Area of Science:

  • * Visual perception research
  • * Cognitive psychology
  • * Psychophysics

Background:

  • * Understanding visual perception requires accurate models of how humans discriminate spatial locations.
  • * Previous models often failed to account for systematic errors in judging distances or alignments.

Purpose of the Study:

  • * To develop and test a probabilistic multidimensional model for location discrimination.
  • * To investigate the sources of error in judging whether briefly presented bars are touching.

Main Methods:

  • * Developed a gap-detection model incorporating variability in perceived location and bar length.
  • * Employed likelihood-ratio tests to evaluate model fit against experimental data.
  • * Compared models with and without accounting for specific visual illusions.

Related Experiment Videos

Main Results:

  • * Models with location variability alone were rejected.
  • * Models incorporating perceived distance compression or the bisection illusion showed excellent fit.
  • * Models suggesting horizontal/vertical illusion or response bias did not fit the data.

Conclusions:

  • * Perceptual errors in location discrimination are influenced by factors beyond simple location variability.
  • * Distance compression and the bisection illusion are key to explaining performance in this task.
  • * The developed model offers a framework for analyzing other object perception experiments.