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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Related Experiment Video

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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
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Hyperlexia: Systematic review, neurocognitive modelling, and outcome.

Alexia Ostrolenk1, Baudouin Forgeot d'Arc1, Patricia Jelenic2

  • 1Centre d'excellence en Troubles Envahissants du Développement de l'Université de Montréal (CETEDUM), Hôpital Rivière-des-Prairies, 7070 Boulevard Perras, H1E 1A4, Montréal, QC, Canada; Centre de recherche du CIUSSS du Nord de l'Île de Montréal, Québec, Canada; Département de Psychiatrie, Université de Montréal, H3T 1J4, Québec, Canada.

Neuroscience and Biobehavioral Reviews
|May 8, 2017
PubMed
Summary

Hyperlexia, characterized by advanced reading skills, is frequently observed in autism spectrum disorder. Autistic children exhibit unique reading development patterns, leveraging visual recognition systems.

Keywords:
AutismDecodingEnhanced perceptual functioning modelHyperlexiaReadingReviewVisual word form area

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Area of Science:

  • Neurodevelopmental Disorders
  • Cognitive Science
  • Developmental Psychology

Background:

  • Hyperlexia involves advanced reading skills, early reading acquisition without explicit instruction, and a focus on written material.
  • It often occurs within the context of neurodevelopmental disorders.
  • Understanding hyperlexia offers insights into reading development and cognitive profiles.

Purpose of the Study:

  • To investigate the association between hyperlexia and autism spectrum disorder (ASD).
  • To explore the underlying reasons for this association using cognitive models.
  • To examine how autistic cognitive functioning models inform hyperlexia research.

Main Methods:

  • Systematic review of case studies (N=82) and group studies (N=912, including 315 hyperlexic individuals).
  • Analysis of reading architecture subcomponents in hyperlexic and autistic profiles.
  • Comparison with models of non-autistic reading and autistic cognitive functioning.

Main Results:

  • A hyperlexic or hyperlexic-like profile is characteristic of a significant portion of the autistic spectrum.
  • The typical reading architecture is altered and dissociated in individuals with hyperlexia and autism.
  • Autistic children demonstrate a reversed developmental reading path, emphasizing visual word recognition.

Conclusions:

  • Hyperlexia is closely linked to autism spectrum disorder, with distinct alterations in reading processes.
  • Autistic cognitive patterns, particularly visual expertise, play a key role in hyperlexic profiles.
  • Hyperlexic skills may hold potential for future intervention strategies in autism.