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関連する概念動画

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

1.7K
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...
1.7K
Seizures: Classification01:13

Seizures: Classification

2.5K
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:
2.5K
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

20
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
20
Seizures l: Introduction01:20

Seizures l: Introduction

42
Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
42
Seizures ll: Types01:19

Seizures ll: Types

36
Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...
36
Epilepsy ll: Types01:22

Epilepsy ll: Types

47
Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
47

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関連する実験動画

Updated: May 5, 2026

A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
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ストローク後のにおける複雑な視覚的幻覚:症例報告と文献レビュー

Shugo Fujita1, Genko Oyama1, Hitoshi Kawasaki1

  • 1Department of Neurology, Saitama Medical University, Japan.

Internal medicine (Tokyo, Japan)
|February 15, 2026
PubMed
まとめ

卒中後の (PSE) の複雑な視覚幻覚 (CVH) は,視覚記憶領域におけるの活動から生じる可能性があります. PSEにおけるCVHの早期認識は,誤診を予防し,適切な治療を確保することができます.

キーワード:
複雑な視覚的幻覚 複雑な視覚的幻覚エピレプシー エピレプシーストローク ストローク ストローク ストローク ストロークビジュアルメモリ 視覚記憶 視覚記憶ビジュアルレテンション ビジュアルレテンス

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Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients
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Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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関連する実験動画

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A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
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Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients
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Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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科学分野:

  • 神経学 神経学とは
  • エピレプトロジーはエピレプト学です.
  • 神経科学は神経科学である.

背景:

  • 脳卒中後の (PSE) は,脳血管事故後の一般的な合併症です.
  • 複雑な視覚幻覚 (CVH) は,珍しいが重要な神経学的症状です.
  • PSEにおけるCVHの神経生物学的な基礎を理解することは,診断と管理に不可欠です.

研究 の 目的:

  • 持続的なCVHを伴うPSEの症例を報告する.
  • 特定の脳の領域におけるの活動とCVHの間の潜在的な関連性を調査する.
  • PSEの表れとしてCVHを認識することの重要性を強調する.

主な方法:

  • PSEとCVHを患った82歳の男性の症例報告.
  • エレクトロエンセファログラフィー (EEG) は,性放出を特定する.
  • エピレプシーの文脈におけるCVHに関する文献レビュー.

主要な成果:

  • 患者は過去のエピソード的なシーンを含む持続的なCVHを経験しました.
  • EEGは,右側後側側側頭部と頭頂部領域の性放出を示した.
  • 症状はレベチラセタムで解消し,ゾニサミドで維持された.

結論:

  • PSEにおけるCVHは,非支配的な側頭葉または側頭葉領域に広がるエピレプシーの活動から生じることがあります.
  • CVHは視覚記憶のリコールを表し,精神症状と関連している可能性があります.
  • PSEにおけるCVHの認識は,正確な診断と適切な治療を支援し,誤診を回避します.