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関連する概念動画

Pedigree Analysis01:35

Pedigree Analysis

Overview
Polygenic Traits01:18

Polygenic Traits

When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
Polygenic Traits01:18

Polygenic Traits

When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...

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関連する実験動画

Updated: Jul 16, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

認知モジュラリティと遺伝障害

S J Paterson1, J H Brown, M K Gsödl

  • 1Neurocognitive Development Unit, Institute of Child Health, University College, London WC1N 1EH, UK.

Science (New York, N.Y.)
|December 22, 1999
PubMed
まとめ

神経心理学的モデルは,遺伝的発達障害を説明できないかもしれません. ウィリアムズ症候群の乳児は,言語が改善されながら,時間とともに数値が減少する,明確な認知発達を示します.

科学分野:

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

背景:

  • 大人の神経心理学的モデルは,遺伝的発達障害を理解するためにしばしば適用されます.
  • 既存のモデルは,幼児期または成人期における認知プロファイルが,幼児の初期状態を反映していると仮定し,モジュールは出生から無傷または障害がある.

研究 の 目的:

  • 遺伝的発達障害に対する成人神経心理学的モデルの適用に挑戦する.
  • ウィリアムズ症候群の乳児における認知能力の発達軌道を調査する.

主な方法:

  • ウィリアムズ症候群と診断された乳児を対象に2つの実験が行われました.
  • 認知的評価は,さまざまな発達段階における数値判断と言語能力に焦点を当てました.

主要な成果:

  • ウィリアムズ症候群では,症候群内の二重解離が観察されました.
  • 乳児は幼児期に数値的なタスクをうまく実行したが,成人期には低下した.
  • 対照的に,言語能力は幼児期に劣っていたが,成人期には改善した.

結論:

  • 遺伝疾患における発達経路は複雑であり,必ずしも成人のモデルと一致することはない.

さらに関連する動画

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
05:53

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
09:37

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

Published on: August 15, 2019

関連する実験動画

Last Updated: Jul 16, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
05:53

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
09:37

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

Published on: August 15, 2019

  • 発見は,認知発達のダイナミックな相互作用を示唆し,静的な先天的なモジュラリティの仮定に挑戦しています.
  • この結果は,遺伝的疾患の研究における理論的および臨床的アプローチの再評価を必要とする可能性があります.