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Related Concept Videos

Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
Language and Cognition01:27

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Related Experiment Video

Updated: Jul 15, 2026

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
09:38

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Published on: January 29, 2014

Temporal-callosal pathway diffusivity predicts phonological skills in children.

Robert F Dougherty1, Michal Ben-Shachar, Gayle K Deutsch

  • 1Stanford Institute for Reading and Learning, and Department of Psychology, Stanford University, Stanford, CA 94305, USA. bobd@stanford.edu

Proceedings of the National Academy of Sciences of the United States of America
|May 8, 2007
PubMed
Summary

Skilled reading relies on brain region communication. Good readers show distinct temporal lobe connections, suggesting optimized interhemispheric pathways for efficient information processing.

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Last Updated: Jul 15, 2026

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
09:38

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Published on: January 29, 2014

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Cognitive Neuroscience

Background:

  • Skilled reading development depends on efficient communication between distributed brain regions.
  • Interhemispheric connectivity plays a crucial role in integrating information across hemispheres for complex cognitive functions like reading.

Purpose of the Study:

  • To investigate the relationship between interhemispheric connections and reading abilities in children.
  • To identify specific white matter pathways in the corpus callosum associated with varying levels of reading skill.

Main Methods:

  • Diffusion tensor imaging (DTI) was used to assess white matter microstructure.
  • Callosal fibers were segmented based on probable cortical projection zones.
  • Diffusion properties (e.g., diffusivity) were measured in these segmented regions.

Main Results:

  • Phonological awareness, a key component of reading acquisition, positively correlated with diffusivity perpendicular to the main axis of temporal lobe-connecting callosal fibers.
  • Findings suggest potential differences in axon properties (e.g., size, number, membrane permeability) between good and poor readers in these pathways.

Conclusions:

  • Reduced interhemispheric connectivity in specific pathways may be associated with better reading skills.
  • These findings support the idea that efficient processing of rapidly changing stimuli, facilitated by optimized connectivity, is important for skilled reading.