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

Mapping brain electric micro-states in dyslexic children during reading

D Brandeis1, D Vitacco, H C Steinhausen

  • 1Department of Child and Adolescent Psychiatry, University of Zürich, Switzerland.

Acta Paedopsychiatrica
|January 1, 1994
PubMed
Summary

Dyslexic children show processing delays and altered neural activation in both sensory-visual and cognitive-linguistic systems during reading. Event-related potential mapping reveals these deficits, highlighting the importance of specific tasks and analysis methods.

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

Remote assessment of ADHD in children and adolescents: recommendations from the European ADHD Guidelines Group following the clinical experience during the COVID-19 pandemic.

European child & adolescent psychiatry·2023
Same author

Impact of the COVID-19 pandemic on children with and without affective dysregulation and their families.

European child & adolescent psychiatry·2022
Same author

Visual word form processing deficits driven by severity of reading impairments in children with developmental dyslexia.

Scientific reports·2020
Same author

[Cohort studies in child and adolescent psychiatry].

Der Nervenarzt·2020
Same author

Impact of early life adversities on human brain functioning: A coordinate-based meta-analysis.

Neuroscience and biobehavioral reviews·2020
Same author

Stimulus probability affects the visual N700 component of the event-related potential.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2020

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Developmental Psychology

Background:

  • Dyslexia research debates whether reading deficits stem from sensory-visual, cognitive-linguistic, or both processing levels.
  • Event-related potential (ERP) mapping offers a method to investigate split-second brain processing stages during reading.
  • Previous ERP studies on dyslexia show inconsistent results, likely due to methodological variations.

Purpose of the Study:

  • To investigate the neurophysiology of sensory and cognitive reading processes in dyslexic children using ERP mapping.
  • To determine if dyslexic children exhibit deficits at the sensory-visual level, cognitive-linguistic level, or both.

Main Methods:

  • Employed event-related potential (ERP) mapping during silent reading of correct and incorrect sentence endings.

Related Experiment Videos

  • Examined 12 dyslexic and 12 control children.
  • Utilized spatio-temporal analyses of map strength, latency, and topography in three dimensions.

    • Main Results:

    • Dyslexic children demonstrated affected sensory-visual processes (P110 micro-state) and cognitive-linguistic processes (early N400 micro-state).
    • Processing delays and qualitatively different neural activation patterns were observed in dyslexic children.
    • Specific cognitive tasks and appropriate spatio-temporal ERP analyses are crucial for identifying processing deficits.

    Conclusions:

    • Dyslexia involves deficits in both sensory-visual and cognitive-linguistic processing stages during reading.
    • ERP mapping, with precise methodologies, can effectively identify specific neurophysiological deficits in dyslexia.
    • Findings underscore the complex nature of reading impairments in dyslexia.