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 Concept Videos

Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
Blind Procedures02:07

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...
Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
Hindsight Biases01:12

Hindsight Biases

Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
Blinding01:11

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Revisiting the attentional bias in the split brain.

Neuropsychologia·2021
Same author

Can the mind be split? A historical introduction.

Neuropsychologia·2021
Same author

How many lateralities?

Laterality·2020
Same author

Humanity and the left hemisphere: The story of half a brain.

Laterality·2020
Same author

Crossing the Rubicon: Behaviorism, Language, and Evolutionary Continuity.

Frontiers in psychology·2020
Same author

Evolution of cerebral asymmetry.

Progress in brain research·2019

Related Experiment Video

Updated: Jul 13, 2026

A Method for Investigating Change Blindness in Pigeons (Columba Livia)
06:14

A Method for Investigating Change Blindness in Pigeons (Columba Livia)

Published on: September 7, 2018

Repetition blindness is orientation blind.

Michael C Corballis1, Cole Armstrong

  • 1Department of Psychology, University of Auckland, Auckland, New Zealand. m.corballis@auckland.ac.nz

Memory & Cognition
|July 25, 2007
PubMed
Summary

Repetition blindness (RB) impairs identifying repeated letters in rapid sequences. This effect occurs at both visual shape and name recognition levels, regardless of letter orientation or case.

Area of Science:

  • Cognitive psychology
  • Visual perception
  • Human attention

Background:

  • Repetition blindness (RB) is a phenomenon where repeated items in a rapid visual sequence are missed or misidentified.
  • Understanding the perceptual and cognitive stages at which RB occurs is crucial for models of visual attention and object recognition.

Purpose of the Study:

  • To investigate the influence of letter orientation and case on repetition blindness.
  • To determine whether repetition blindness operates at the level of visual shape or name.

Main Methods:

  • Participants identified letters in rapid visual sequences.
  • Experiments manipulated the identity, orientation (upright/inverted), and case (uppercase/lowercase) of repeated letters.
  • The first and third letters of three-letter sequences were systematically varied.

More Related Videos

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets
08:45

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets

Published on: December 5, 2014

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Related Experiment Videos

Last Updated: Jul 13, 2026

A Method for Investigating Change Blindness in Pigeons (Columba Livia)
06:14

A Method for Investigating Change Blindness in Pigeons (Columba Livia)

Published on: September 7, 2018

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets
08:45

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets

Published on: December 5, 2014

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Main Results:

  • Repetition blindness was observed when the first and third letters were identical, regardless of orientation.
  • The effect was stronger when repeated letters had different orientations.
  • Repetition blindness occurred for letters with the same shape but different case, and for letters with similar shapes (b/d) that change names when inverted.
  • RB was also observed for letters with the same name but different case.

Conclusions:

  • Early visual processing of letter shape is independent of orientation and left-right sense.
  • Repetition blindness can occur at multiple processing levels, including visual shape extraction and name-level representation.
  • These findings contribute to understanding the mechanisms underlying attentional limitations in processing rapid visual information.