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相关概念视频

Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

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Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
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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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Autism Spectrum Disorder01:19

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.
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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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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Diagnostic and Statistical Manual of Mental Disorders (DSM)01:27

Diagnostic and Statistical Manual of Mental Disorders (DSM)

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The Diagnostic and Statistical Manual of Mental Disorders (DSM) serves as the primary classification system for mental health disorders, providing standardized diagnostic criteria for clinicians and researchers. First published by the American Psychiatric Association (APA) in 1952, the DSM has undergone several revisions to reflect evolving psychiatric understanding. The fifth edition, DSM-5, released in 2013, introduced key updates that expanded diagnostic categories and modified diagnostic...
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Learning Disabilities01:25

Learning Disabilities

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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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相关实验视频

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Rapid Detection of Neurodevelopmental Phenotypes in Human Neural Precursor Cells NPCs
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神经发育障碍:2024年更新

María Martínez de Lagrán1, Karen Bascón-Cardozo1, Mara Dierssen1,2,3,4

  • 1Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona 08003, Spain.

Free neuropathology
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了解神经发育障碍的最新进展揭示了遗传学的关键作用,包括非编码DNA和可转移元素. 新的神经成像技术为大脑发育和疾病机制提供了洞察力.

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科学领域:

  • 神经科学是一个神经科学.
  • 遗传学 是一个遗传学.
  • 发展生物学 发展生物学

背景情况:

  • 神经发育障碍 (NDD),如智力障碍和自闭症谱系障碍,在儿童时代表现出来.
  • 超过1500个基因,包括转录调节器和染色质修饰剂,都与NDD有关.
  • 除了蛋白质编码基因之外的遗传因素,如RNA,非编码DNA和可转移元素,越来越多地得到了认可.

研究的目的:

  • 审查在理解NDDs的遗传和分子基础上的重大进展.
  • 突出神经成像技术的进步,以描述大脑发育和病理.
  • 探索在NDD中整合新技术用于诊断,预后和精准医学.

主要方法:

  • 关于NDDs的最新科学文献的审查.
  • 对遗传数据的分析,包括全外因子测序和新变异的识别.
  • 机器学习应用于神经成像数据,并开发用于胎儿大脑发育的数字地图.

主要成果:

  • 鉴定了参与NDD的1500多个基因,强调了不同的分子参与者.
  • 证明RNA,非编码DNA和可转移元素的失调如何导致NDD.
  • 在体内神经成像技术的进步为神经细胞架构提供了新的见解.

结论:

  • 对NDD的遗传诊断正在得到改善,为神经病理学提供了关键的见解.
  • 新的方法,包括先进的神经成像和遗传分析,对于精准医学至关重要.
  • 了解胎儿大脑发育对于解决认知功能和NDD至关重要.