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関連する概念動画

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

335
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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Biological Influences on Intelligence01:30

Biological Influences on Intelligence

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Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
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Language and Cognition01:27

Language and Cognition

438
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.
438
Intellectual Disability01:29

Intellectual Disability

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Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
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Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

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Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
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Information Processing Approach01:30

Information Processing Approach

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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: Sep 10, 2025

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
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ワイヤードが違うのか? 自閉症スペクトル障害における脳の時間的複雑性と知能

Moses O Sokunbi1, Oumayma Soula2, Bertha Ochieng1

  • 1Faculty of Health and Life Sciences, De Montfort University, Leicester LE1 9BH, UK.

Brain sciences
|August 28, 2025
PubMed
まとめ

自閉症の成人は 脳の信号の不規則性が増加し 知的能力を低下させた. これは自閉症スペクトル障害 (ASD) の基礎となる 独特の脳パターンを示唆している.

キーワード:
ハースト指数自閉症スペクトル障害認知機能曖昧な近似エントロピー模糊サンプルエントロピーインテリジェンス神経の複雑さ神経発達静止状態

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科学分野:

  • 神経科学
  • 認知科学
  • 発達心理学

背景:

  • 自閉症スペクトル障害 (ASD) は様々な行動と認知のプロフィールで表れます.
  • 個々のASDのプレゼンテーションに脳の活動を結びつける神経メカニズムはよく理解されていません.
  • 休息状態の機能的磁気共鳴画像 (fMRI) の信号の複雑さを知能に関連して調査することは極めて重要です.

研究 の 目的:

  • 休息状態のfMRI信号の複雑性と自閉症の成人の知性の関係を調べる.
  • 神経型対照群と比較する
  • 認知機能の自閉症特有の神経基盤を特定する.

主な方法:

  • ハースト指数 (H),フージー近似エントロピー (fApEn),フージーサンプルエントロピー (fSampEn) の3つの複雑度メトリックを使用した.
  • 標準化された知能スコア (FIQ,VIQ,PIQ) と相関する複雑度測定は,ASDとマッチングした神経型対照群の14人の成人の男性で実施された.
  • 脳の行動関連におけるグループ差をテストするためにフィッシャーのr-to-z変換と回帰分析を使用した.

主要な成果:

  • 自閉症の参加者は,パフォーマンスインテリジェンス指数 (PIQ) とfApEnとfSampEnの間で有意な負の相関を示した.
  • 神経信号の不規則性の増加 (fApEn/ fSampEnの上昇) は,ASDにおける認知認識能力の低下と関連していた.
  • 群の相互作用試験は,対照群と比較してASD群のエントロピー測定値とPIQとの間に著しく強い相関性を確認した.

結論:

  • 自閉症の認知機能には 欠陥だけではなく 代替神経戦略も含まれます
  • 独特な脳信号パターンは ASDの知性と関連しています
  • 発見は自閉症の診断,パーソナライズされたサポート,および健康/ソーシャルケア政策を参考にすることができます.