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Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Related Experiment Video

Updated: Jul 25, 2026

Assessing Dyslexia at Six Year of Age
15:00

Assessing Dyslexia at Six Year of Age

Published on: May 1, 2020

Outstanding questions about phonological processing in dyslexia.

F Ramus1

  • 1Institute of Cognitive Neuroscience, University College London, UK. f.ramus@ucl.ac.uk

Dyslexia (Chichester, England)
|March 8, 2002
PubMed
Summary

Developmental dyslexia research needs to test phonological representations more thoroughly. A new cognitive model highlights distinct phonological representations and proposes untested predictions for dyslexia research.

Area of Science:

  • Cognitive Science
  • Developmental Psychology
  • Linguistics

Background:

  • Developmental dyslexia is commonly attributed to phonological deficits.
  • Existing research may insufficiently test phonological representations and their processing.
  • A comprehensive understanding requires an explicit information-processing model.

Purpose of the Study:

  • To propose an explicit cognitive model of lexical access.
  • To differentiate between lexical and non-lexical phonological representations.
  • To outline a research agenda for a more thorough assessment of the phonological theory of dyslexia.

Main Methods:

  • Description of a cognitive model integrating speech perception, reading, and object recognition.
  • Emphasis on the distinction between lexical phonological forms and non-lexical phonological representations.

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Last Updated: Jul 25, 2026

Assessing Dyslexia at Six Year of Age
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09:00

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  • Identification of untested predictions regarding phonological acquisition in dyslexia.

    • Main Results:

    • The model distinguishes between different types of phonological representations.
    • It highlights the complexity of phonology beyond basic categorization.
    • It suggests potential areas for future empirical investigation.

    Conclusions:

    • Current dyslexia research may not fully capture the scope of phonological deficits.
    • A more comprehensive assessment of phonological representations is needed.
    • Future research should investigate the acquisition of broader phonological aspects in dyslexic children.