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

Mental imagery and dyslexia: a deficit in processing multipart visual objects?

O Koenig1, S M Kosslyn, P Wolff

  • 1University of Geneva, Switzerland.

Brain and Language
|October 1, 1991
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

The global extent of the grassland biome and implications for the terrestrial carbon sink.

Nature ecology & evolution·2026
Same author

Effect of oral administration of Tribulus terrestris extract on semen quality and body fat index of infertile men.

Andrologia·2016
Same author

Serum concentrations of polychlorinated biphenyls (PCBs) in participants of the Anniston Community Health Survey.

The Science of the total environment·2013
Same author

Receptive field characteristics that allow parietal lobe neurons to encode spatial properties of visual input: a computational analysis.

Journal of cognitive neuroscience·2013
Same author

Visual Mental Imagery Activates Topographically Organized Visual Cortex: PET Investigations.

Journal of cognitive neuroscience·2013
Same author

Individual differences in cerebral blood flow in area 17 predict the time to evaluate visualized letters.

Journal of cognitive neuroscience·2013
Same journal

Measuring language proficiency in bilingual children using EEG-based neural tracking of continuous speech.

Brain and language·2026
Same journal

Corrigendum to "Inhibitory states modulate the processing of negated concepts in existential sentences. Evidence from ERPs" [Brain Lang. 105796].

Brain and language·2026
Same journal

Evaluative processing of emotional and moral content during discourse comprehension: Insights from event-related brain potentials.

Brain and language·2026
Same journal

Reading-selective areas in the cerebellum in adult readers.

Brain and language·2026
Same journal

Effects of semantic distance and metaphorical constituent position on L2 noun-noun metaphor processing: an ERP study.

Brain and language·2026
Same journal

Cortical tracking of natural speech by children with developmental language disorder (DLD): An EEG speech decoding investigation.

Brain and language·2026
See all related articles

Dyslexic individuals struggle with visual memory tasks involving letters but not novel shapes. This suggests a specific difficulty integrating visual information for letters stored in long-term memory.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Developmental Psychology

Background:

  • Dyslexia is a common learning disorder affecting reading.
  • Visual processing deficits are often implicated in dyslexia.
  • Understanding visual memory in dyslexia is crucial for targeted interventions.

Purpose of the Study:

  • To investigate visual memory and pattern integration in individuals with dyslexia.
  • To compare performance on letter patterns versus novel shapes in dyslexic and control groups.
  • To explore the role of visual field presentation in pattern recall.

Main Methods:

  • Participants memorized line patterns (letters and novel shapes) within a grid.
  • Subjects judged the position of a potential 'X' relative to the memorized patterns.

Related Experiment Videos

  • Stimuli were presented in the left visual field, right visual field, or central vision.

    • Main Results:

    • Dyslexic subjects showed deficits in generating multipart patterns, specifically with letter stimuli.
    • This difficulty was not observed with novel shapes, indicating a selective deficit.
    • Visual field presentation did not significantly alter the pattern integration performance differences.

    Conclusions:

    • Dyslexic individuals may have a selective impairment in integrating visual information for letter-based stimuli.
    • The findings suggest a specific difficulty with visual long-term memory for symbolic representations like letters.
    • This research highlights the importance of considering the nature of visual stimuli in understanding dyslexic cognitive profiles.