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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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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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Updated: Oct 3, 2025

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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Dynamic functional brain network connectivity during pseudoword processing relates to children's reading skill.

Erin J Panda1, Jonah Kember2, Zahra Emami3

  • 1Department of Child and Youth Studies, Brock University, 1812, Sir Isaac Brock Way, St. Catharines, ON, L2S 3A1, Ontario, Canada; Epilepsy Research Program of the Ontario Brain Institute, Toronto, Ontario, Canada; Division of Neurology / Neurosciences and Mental Health, The Hospital for Sick Children / SickKids Research Institute, Toronto, Ontario, Canada.

Neuropsychologia
|February 15, 2022
PubMed
Summary
This summary is machine-generated.

Children

Keywords:
EEG phase Synchrony (phase lag index PLI)Functional brain network connectivityN170OrthographyPhonologyReading development

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Cognitive Science

Background:

  • Learning to read involves connecting print (orthography) with speech sounds (phonology).
  • Existing EEG studies often focus on orthographic specialization, not real-time orthography-phonology functional connectivity.
  • Understanding this connectivity is crucial for grasping reading development.

Purpose of the Study:

  • To investigate the relationship between children's reading skill and neural measures of orthographic specialization and orthography-phonology integration.
  • To explore functional brain network connectivity during the processing of written language in children and adults.
  • To determine if dynamic EEG phase synchronization can serve as an index for reading development.

Main Methods:

  • Recorded 64-channel EEG from typically developing children (4–14 years) and adults during a 1-back memory task with pseudowords, consonants, and false fonts.
  • Measured orthographic specialization using the N170 event-related potential (ERP).
  • Assessed orthography-phonology integration using dynamic/event-related EEG phase synchronization to analyze functional brain network connectivity.

Main Results:

  • Orthographic specialization (N170) showed increased left-lateralization with age, but not reading skill.
  • Children's reading skill correlated significantly with functional brain network connectivity during pseudoword processing.
  • Stronger readers exhibited distinct patterns of delta, theta, and gamma band synchronization/desynchronization in posterior-occipital regions during pseudoword versus false font processing, even after controlling for age.

Conclusions:

  • Reading skill in children is associated with dynamic functional brain network connectivity, specifically the real-time linking of orthography and phonology.
  • Dynamic EEG phase synchronization offers a sensitive, under-explored measure of neural plasticity in reading development.
  • This approach provides new insights into the neural mechanisms underlying the development of reading ability.