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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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Learning Disabilities01:25

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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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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
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Components of Language01:24

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Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
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Language Development01:22

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Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
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Related Experiment Video

Updated: Nov 11, 2025

Assessing Dyslexia at Six Year of Age
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Published on: May 1, 2020

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The Modularity of Dyslexia.

D R Rahul1, R Joseph Ponniah1

  • 1Department of Humanities and Social Sciences, National Institute of Technology, Tiruchirappalli, India.

Pediatrics and Neonatology
|March 29, 2021
PubMed
Summary
This summary is machine-generated.

This study integrates brain morphology, neurophysiology, neurochemistry, genetics, and educational insights to provide a holistic view of dyslexia. Understanding these interconnected factors is key to developing effective interventions for reading difficulties.

Keywords:
dyslexiageneticsneurochemicalneurometabolitesreading disability

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Area of Science:

  • Neuroscience
  • Genetics
  • Education

Background:

  • Dyslexia research has advanced through studies on brain morphology, neurophysiology, neurochemistry, and genetics.
  • Existing research often examines these areas independently, leaving a gap in understanding their interconnectedness.
  • A comprehensive framework is needed to integrate diverse findings on reading difficulties.

Purpose of the Study:

  • To provide an exhaustive perspective on dyslexia by integrating findings from multiple scientific domains.
  • To explore the interface between brain morphology, neurophysiology, neurochemistry, genetics, and educational insights.
  • To establish a foundation for holistic interventions and informed solutions for reading difficulties.

Main Methods:

  • Systematic assimilation of existing research findings.
  • Application of the concept of modularity to integrate diverse data.
  • Cross-disciplinary analysis of morphological, physiological, chemical, genetic, and educational data.

Main Results:

  • Identification of key insights from each distinct area of dyslexia research.
  • Demonstration of the interconnectedness of brain structure, function, chemistry, genetics, and learning.
  • A synthesized view highlighting the complex, multi-faceted nature of dyslexia.

Conclusions:

  • An integrated, modular perspective offers a more complete understanding of dyslexia.
  • This comprehensive approach is crucial for developing effective, targeted interventions.
  • Future research should focus on the interplay between these factors to improve reading outcomes.