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相关概念视频

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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Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
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Cerebellum: Anatomical Regions01:17

Cerebellum: Anatomical Regions

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The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
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Pedigree Analysis01:35

Pedigree Analysis

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Overview
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Human Genetics01:28

Human Genetics

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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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相关实验视频

Updated: Jan 13, 2026

Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism
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Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism

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自闭症谱系障碍:小脑,基因和途径

Santosh R D'Mello1,2,3

  • 1College of Arts and Sciences, Louisiana State University, Shreveport, LA 71103, USA.

Neurology international
|October 28, 2025
PubMed
概括

自闭症谱系障碍 (ASD) 涉及遗传因素和小脑功能障碍. 本综述侧重于小脑表达的基因及其与ASD的联系,探索候选和公正的遗传发现.

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:

  • 自闭症谱系障碍 (ASD) 是一种流行的神经发育障碍,具有复杂的遗传和环境起源.
  • 虽然研究主要集中在皮层和海马区域,但新出现的证据突出显示小脑与ASD的连贯关联.
  • 小脑,传统上与运动控制相关,也通过其与非运动大脑区域的连接影响认知,感官和行为功能.

研究的目的:

  • 审查小脑在自闭症发展中的作用.
  • 专注于与自闭症相关的遗传变异,特别是小脑内表达和研究的基因变异.
  • 根据发现方法 (候选基因与公正的遗传分析) 来分类与ASD相关的基因.

主要方法:

  • 对ASD中小脑功能研究的文献综述.
  • 将ASD相关基因分类为候选和公正的发现组.
  • 包括最近关于与遗传倾向相互作用的非遗传因素的发现.

主要成果:

  • 小脑在ASD中起着至关重要的作用.
  • 与自闭症相关的基因被分为两个主要组:具有确定的小脑链接的候选基因和通过公正的遗传分析确定的基因.
  • 还讨论了与ASD病因学中的遗传因素相互作用的非遗传因素.
关键词:
皮尔金耶神经元是什么意思自闭症自闭症是什么小脑小脑是什么意思基因 基因 基因 基因信号通道的信号通道.突触功能障碍 突触功能障碍

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结论:

  • 小脑是关键的大脑区域,与ASD有关.
  • 了解小脑基因表达和功能对于破译ASD的遗传基础至关重要.
  • 综合遗传和非遗传因素的综合观点对于推动ASD研究至关重要.