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関連する概念動画

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

1.1K
Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
1.1K
Seizures: Classification01:13

Seizures: Classification

1.3K
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
1.3K
Nervous Tissue: Myelin01:25

Nervous Tissue: Myelin

5.3K
The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths.
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...
5.3K
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

1.2K
γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for...
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Overview of Synapses01:25

Overview of Synapses

4.7K
A synapse is a specialized structure where two neurons connect, allowing them to pass an electrical or chemical signal to another neuron. It is the point of communication between neurons. The term "synapse" is derived from the Greek word "synapsis," which means "conjunction." The entire process of neural communication revolves around the synapse. When activated, a neuron releases chemicals known as neurotransmitters into the synapse. These neurotransmitters cross the synapse and bind to...
4.7K
Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

880
Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
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関連する実験動画

Updated: Jan 13, 2026

Author Spotlight: Studying Clinical Characters and Epilepsy Outcomes After Frontal Disconnection in Patients with MOGHE
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Author Spotlight: Studying Clinical Characters and Epilepsy Outcomes After Frontal Disconnection in Patients with MOGHE

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若年性ミオクロニーてんかんにおける白質構造と機能の分離

Junrui Zhang1, Guangyao Liu2, Yongxuan Xu1

  • 1Institute of Brain Science and Department of Physiology, School of Basic Medical Sciences, Hangzhou Normal University, Hangzhou, China; Zhejiang Philosophy and Social Science Laboratory for Research in Early Development and Childcare, Hangzhou Normal University, Hangzhou, China.

NeuroImage. Clinical
|January 10, 2026
PubMed
まとめ

若年性ミオクロニーてんかん（JME）は、運動および認知経路に影響を与える早期の白質構造と機能の分離を示します。この発見は、JME治療戦略の診断と個別化に役立ちます。

キーワード:
若年性ミオクロニーてんかん予測構造と機能のカップリング線維束単位白質

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Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays
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Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays

Published on: May 15, 2018

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Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
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Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy

Published on: August 5, 2014

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関連する実験動画

Last Updated: Jan 13, 2026

Author Spotlight: Studying Clinical Characters and Epilepsy Outcomes After Frontal Disconnection in Patients with MOGHE
06:04

Author Spotlight: Studying Clinical Characters and Epilepsy Outcomes After Frontal Disconnection in Patients with MOGHE

Published on: August 16, 2024

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Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays
10:24

Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays

Published on: May 15, 2018

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Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
12:09

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy

Published on: August 5, 2014

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科学分野:

  • 神経科学
  • てんかん学
  • 医用画像処理

背景:

  • 若年性ミオクロニーてんかん（JME）は、脳の変化と関連しています。
  • JMEにおける白質構造の変化と機能的再編成との関連は、よく理解されていません。

研究 の 目的:

  • 新規診断された治療未経験のJME患者における白質構造と機能のカップリング（SFC）を調査すること。
  • JMEにおける構造的および機能的な脳の変化の関係を探求すること。

主な方法:

  • 拡散強調画像（DWI）および安静時機能的MRI（fMRI）を、47人のJME患者および40人の対照群に使用しました。
  • 線維束単位のSFCを、微細構造指標（FA、MD、AD、RD）を用いた多変量線形回帰を使用して評価しました。
  • サポートベクター回帰を用いて、所見と臨床的重症度との相関を調べました。

主要な成果:

  • JME患者では、広範な白質微細構造の変化と機能的過活動が認められました。
  • 左側皮質脊髄路および左側下縦束において、SFCの有意な低下が認められました。
  • 構造的、機能的、およびカップリング指標を統合したマルチモーダルモデルは、臨床的重症度の予測を改善しました。

結論:

  • 早期のJMEは、重要な運動および認知経路における白質構造と機能の分離を示します。
  • 線維束特異的なSFC分析は、JMEの診断、予後、および個別化された治療のための貴重なツールを提供します。