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相关概念视频

Brain Waves01:23

Brain Waves

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Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:
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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.
Parkinson's disease arises...
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Dissociative Disorders01:27

Dissociative Disorders

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Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
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Language and Cognition01:27

Language and Cognition

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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.
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Long-term Depression01:03

Long-term Depression

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
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Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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相关实验视频

Updated: Jun 3, 2025

Event Related Potentials ERPs and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder ADHD
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在发育和成年大脑障碍中的WAVE复合体.

Hyung-Goo Kim1, Clara Berdasco1, Angus C Nairn2

  • 1Department of Neurosurgery, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ, 08854, USA.

Experimental & molecular medicine
|January 8, 2025
PubMed
概括

维斯科特-阿尔德里奇综合征蛋白质家族的维普罗林同类蛋白质 (WAVE) 复合体调节了对大脑发育和功能至关重要的活性蛋白聚合. 这个复合体的失调与各种神经和发育障碍有关.

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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

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科学领域:

  • 神经科学是一个神经科学.
  • 细胞生物学 细胞生物学
  • 分子生物学分子生物学

背景情况:

  • 动氨酸聚合对于大脑发育,可塑性和生存至关重要.
  • 动蛋白组织由调节性蛋白质控制,包括威斯科特-阿尔德里奇综合征蛋白质家族的维普罗林同类蛋白质 (WAVE) 复合体.
  • 波浪复合体激活ARP2/3介导的活性蛋白聚合,由波浪,CYFIP,NCKAP,ABI和BRK1蛋白质组成.

研究的目的:

  • 要突出WAVE复合体在脑细胞功能中的关键作用.
  • 探索WAVE复杂失调在神经和发育障碍中的影响.
  • 为了强调了解WAVE复杂调节对大脑健康的重要性.

主要方法:

  • 审查现有的关于actin动力学和WAVE复合物的文献.
  • 对将WAVE复杂突变与大脑疾病联系起来的遗传研究的分析.
  • 检查关于WAVE综合体在神经退行性疾病和行为适应方面的研究.

主要成果:

  • 波浪复合体是大脑细胞中actin聚合的关键调节者.
  • 波浪复杂基因的突变与智力障碍,,精神分裂症和自闭症谱系障碍有关.
  • 波浪综合体的变化与阿尔茨海默病,帕金森病和行为变化有关.

结论:

  • 波浪综合体对正常的大脑发育和功能至关重要.
  • 波浪综合体中的干扰会导致一系列的大脑疾病.
  • 针对WAVE复合体可能为神经疾病提供治疗途径.