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Related Concept Videos

Language and Cognition01:27

Language and Cognition

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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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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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Vision01:24

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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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Visual System01:26

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Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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Updated: Feb 24, 2026

Decomposing the Variance in Reading Comprehension to Reveal the Unique and Common Effects of Language and Decoding
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Decomposing the Variance in Reading Comprehension to Reveal the Unique and Common Effects of Language and Decoding

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The reading brain - Transforming vision into language.

Avniel Singh Ghuman1, Julie A Fiez2, Matthew J Boring3

  • 1Center for Neuroscience at the University of Pittsburgh, University of Pittsburgh, Pittsburgh, PA 15213, USA; Center for the Neural Basis of Cognition, University of Pittsburgh and Carnegie Mellon University, Pittsburgh, PA 15213, USA; Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA 15213, USA; Brain Institute, University of Pittsburgh, Pittsburgh, PA 15213, USA; Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15213, USA.

Progress in Neurobiology
|February 22, 2026
PubMed
Summary
This summary is machine-generated.

Literacy emerges as the brain tunes existing visual circuits for reading. The visual word form area (VWFA) is crucial, integrating visual input with language networks for skilled reading acquisition.

Keywords:
Brain connectivityNeurodynamicsReadingVisionWords

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Developmental Psychology

Background:

  • Reading relies on transforming written words into sounds and meanings.
  • Neural circuits for reading are not evolved but rather repurposed existing visual networks.
  • The visual word form area (VWFA) is a critical brain region for reading, located in the ventral occipitotemporal cortex.

Purpose of the Study:

  • To explore the neural basis of reading and how visual networks adapt for literacy.
  • To investigate the role of the VWFA in visuolinguistic transformations.
  • To present a model for how reading emerges from the specialization of pre-existing neural circuits.

Main Methods:

  • Review of neurophysiological evidence.
  • Analysis of neuroanatomical data.
  • Examination of neurodevelopmental findings related to reading acquisition.

Main Results:

  • Evidence suggests pre-existing visuolinguistic circuits are tuned for reading during development.
  • The VWFA's location supports its role in integrating visual processing with language networks.
  • Reading deficits correlate with impairments in visuolinguistic transformations.

Conclusions:

  • Literacy arises from the specialization of neural circuits with inherent capacities for visual-to-linguistic transformations.
  • The VWFA is strategically positioned to receive visual input and connect with auditory-visual speech and language networks.
  • This model explains how the brain adapts for fluent reading through the repurposing of visual processing networks.