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

Presentation and task effects on migration errors in attentional dyslexia.

Kate Mayall1, Glyn W Humphreys

  • 1School of Psychology, University of Leicester, UK. kam18@le.ac.uk

Neuropsychologia
|April 5, 2002
PubMed
Summary

Patient FL exhibits attentional dyslexia, struggling with word pair reading due to letter migration errors. Improving spacing or case differentiation aids reading, suggesting a pre-categorical deficit in visual attention and letter coding.

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

Intermediate, Wholistic Shape Representation in Object Recognition: A Pre-Attentive Stage of Processing?

Frontiers in human neuroscience·2022
Same author

Handgrip Based Action Information Modulates Attentional Selection: An ERP Study.

Frontiers in human neuroscience·2021
Same author

Attentional saliency and ingroup biases: From society to the brain.

Social neuroscience·2020
Same author

Cultural Orientation of Self-Bias in Perceptual Matching.

Frontiers in psychology·2019
Same author

The relations between temporal and social perceptual biases: Evidence from perceptual matching.

Attention, perception & psychophysics·2019
Same author

Neural mechanisms for learning self and other ownership.

Nature communications·2018

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Linguistics

Background:

  • Attentional dyslexia is a reading disorder characterized by difficulties in processing multiple visual stimuli.
  • Letter migration errors, where letters from one word appear in another, are a hallmark symptom.

Purpose of the Study:

  • To investigate the specific reading deficits in a patient (FL) with attentional dyslexia.
  • To explore the underlying mechanisms of letter migration errors and attentional dysfunction in reading.

Main Methods:

  • Case study of patient FL.
  • Analysis of reading aloud performance on single words versus word pairs.
  • Manipulation of stimulus presentation (case, spacing) and distractor types (single letter vs. whole word).

Related Experiment Videos

Main Results:

  • FL made frequent letter migration errors, particularly from right-to-left word pairs.
  • Reading performance improved with increased spacing or differing cases between words.
  • Distractor effects varied, with single letters causing more interference than whole words when only the initial letter of the distractor was named.

Conclusions:

  • FL's difficulties are consistent with poor letter location coding and weakened left-sided attentional space.
  • The findings suggest a pre-categorical deficit affecting visual attention and spatial representation in reading.