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発達性ディスレクシアは,発達性ディスレクシアである
Robin L Peterson1, Bruce F Pennington
1Department of Psychology, University of Denver, Denver, CO 80208, USA. robin.peterson@du.edu
Lancet (London, England)
|April 20, 2012
まとめ
ディスレクシアは,単語認識に影響する神経発達障害であり,言語間の一貫した神経生物学的な類似性を示しています. 研究は,音声学的処理,左半球のネットワーク機能障害,環境と相互作用する遺伝的要因を強調しています.
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:
- ディスレクシアは,読書の正確性と流暢性に影響を及ぼす一般的な神経発達障害です.
- それは多様な文化にまたがり,普遍的な根本的なメカニズムを示唆しています.
- 最近の進歩は,その行動的,神経心理学的,神経生物学的な側面を理解することにあります.
研究 の 目的:
- ディスレクシアの神経生物学的および神経認知的基礎に関する最近の発見を統合する.
- 音声学的処理,認知的リスク要因,遺伝的影響の相互作用を検証する.
- 神経の違いにおける難読症の効果から因果的要因を区別する.
主な方法:
- ディスレクシアに関する行動的,神経心理学的,神経生物学的研究のレビュー.
- 候補遺伝子と遺伝子環境相互作用を調査する研究の分析.
- 読書体験に関連した神経イメージングデータの検討.
主要な成果:
- 音声学理論は,他の認知的要因が関与しているにもかかわらず,主要な説明であり続けています.
- 神経生物学的証拠は,左半球の言語ネットワークの機能不全と白質の発達の変化を示しています.
- 多くの観察された神経の違いは,特に読書の経験が考慮される場合,読解障害の原因ではなく,結果である.
- ディスレクシアを誘発する6つの候補遺伝子が特定され,遺伝子と環境の相互作用の証拠が示されています.
結論:
- ディスレクシアは,音声処理と脳ネットワーク機能を含む複雑な神経生物学的な基礎を持っています.
- 遺伝的傾向は,読書経験を含む環境要因と相互作用し,不読症の発達に影響を与えます.
- ディスレクシアの因果的な経路と治療目標の完全な解明のためにさらなる研究が必要です.
関連する概念動画
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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.
Oppositional Defiant Disorder
A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
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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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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...
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Attention-Deficit/Hyperactivity Disorder
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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To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.

