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関連する概念動画

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

Higher Mental Functions of the Brain: Language

Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Lateralization01:28

Lateralization

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.
Language Development01:22

Language Development

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.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
Cerebral Hemispheres01:05

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.

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関連する実験動画

Updated: May 10, 2026

Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
08:29

Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans

Published on: December 18, 2016

脳の非対称性と言語発達:原因,相関,または結果?

Dorothy V M Bishop1

  • 1Department of Experimental Psychology, University of Oxford, 9 South Parks Road, Oxford OX1 3UD, UK. dorothy.bishop@psy.ox.ac.uk

Science (New York, N.Y.)
|June 15, 2013
PubMed
まとめ

脳の横向化,脳が横向化している.

科学分野:

  • 神経科学は神経科学である.
  • 発達心理学の心理学について
  • 遺伝学 遺伝学とは

背景:

  • 言語処理は典型的には左半球が優勢ですが,その理由は不明です.
  • 発達言語障害は,非典型的な脳横向化に関連することが多いが,その証拠は歴史的に弱かった.
  • 現代の神経イメージングは,発達中の脳の横行化の詳細な研究を可能にします.

研究 の 目的:

  • 脳の横向化と発達言語および識字障害との関係を調査する.
  • 脳の横行化の起源と安定性を,特に言語発達に関連して探求する.
  • 脳の非対称性の概念を,その多次元性と発達軌道を考慮して再評価する.

主な方法:

  • 発達中の個体における脳の横行性を調べるために,近代的な神経イメージング技術を活用した.
  • 脳側線化のパターンと言語/識字能力との関連を分析した.
  • 発達時間における脳側部化の遺伝性と安定性を評価した.

主要な成果:

  • 神経画像を用いて,非典型的な脳横向化と言語/識字障害との関連が確認された.
  • 弱い脳側近化とこれらの障害との間の共通の遺伝的起源の限られた証拠が見つかりました.

さらに関連する動画

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound (fTCD)
07:44

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound (fTCD)

Published on: September 27, 2010

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

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

関連する実験動画

Last Updated: May 10, 2026

Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
08:29

Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans

Published on: December 18, 2016

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound (fTCD)
07:44

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound (fTCD)

Published on: September 27, 2010

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

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

  • 安定した,高度に遺伝する特徴としての脳側部化の見解に異議を唱えた.

    • 結論:

    • 非典型的な言語横行化は,言語および識字能力の障害と関連しています.
    • 弱度の脳横向化は,言語障害と共通の遺伝的基礎を共有していない可能性があります.
    • 脳の横向化は,安定した遺伝的特徴ではなく,言語学習障害の結果である可能性があります.