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Related Concept Videos

Language and Cognition01:27

Language and Cognition

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.
Higher Mental Functions of the Brain: Language01:10

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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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Learning Disabilities01:25

Learning Disabilities

Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
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Language Development01:22

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Related Experiment Video

Updated: May 12, 2026

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
06:48

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

Multimodal lexical processing in auditory cortex is literacy skill dependent.

Chris McNorgan1, Neha Awati1, Amy S Desroches1

  • 1Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL 60208, USA.

Cerebral Cortex (New York, N.Y. : 1991)
|April 17, 2013
PubMed
Summary
This summary is machine-generated.

Higher literacy skills enhance cross-modal processing in the auditory cortex, specifically the planum temporale. This multimodal integration is crucial for fluent reading in children.

Keywords:
audiovisual integrationcross-modaldevelopmentfMRIreading

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Last Updated: May 12, 2026

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Developmental Psychology

Background:

  • Literacy acquisition involves linking visual and auditory information.
  • Brain regions like the superior temporal sulcus and auditory cortex are involved in cross-modal processing.
  • The influence of literacy on processing larger linguistic units remains less understood.

Purpose of the Study:

  • To investigate if brain regions for phonological processing of words are sensitive to cross-modal information.
  • To determine if these effects are dependent on literacy levels in children.

Main Methods:

  • Twenty-two children (ages 8-14) performed rhyming judgments on word and pseudoword pairs.
  • Stimuli were presented unimodally (auditory or visual) or cross-modally (audiovisual).
  • Regression analyses correlated literacy levels with congruency effects.

Main Results:

  • Higher literacy correlated with increased congruency effects in the auditory cortex (planum temporale) during cross-modal processing.
  • These effects were observed for known words and over extended time windows.
  • Literacy-dependent effects were specific to cross-modal, not unimodal, conditions.

Conclusions:

  • Multimodal integration in the posterior auditory cortex is critical for fluent reading.
  • Literacy skills modulate how the brain integrates visual and auditory information for word processing.
  • Experience-dependent changes in brain organization support reading development.