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関連する概念動画

Brain Imaging01:14

Brain Imaging

898
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
898
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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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
10.2K
Organization of the Brain01:30

Organization of the Brain

3.2K
The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
3.2K
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

4.0K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
4.0K

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Updated: Mar 19, 2026

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
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行動 の 中 で 脳 を 捉える

Sinisa Hrvatin1, M Aurel Nagy1, Michael E Greenberg1

  • 1Department of Neurobiology, Harvard Medical School, 220 Longwood Avenue, Boston, MA 02115, USA.

Cell
|June 18, 2016
PubMed
まとめ
この要約は機械生成です。

研究者はマウスの脳内の活性ニューロンを 3D画像を用いてマッピングしています この研究は遺伝子や 神経回路が 複雑な動物の行動を 生み出す方法を 理解するのに役立ちます

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科学分野:

  • 神経科学
  • 遺伝学
  • コンピュータ生物学

背景:

  • 行動の神経基盤を理解することは 神経科学の根本的な課題です
  • 動物の行動は遺伝子,細胞,神経回路の 複雑な相互作用から生じます

研究 の 目的:

  • 神経回路が 行動を生み出す方法の 理解を深めるためです
  • ネズミの脳全体の 活性ニューロンの地図を 提供するためです

主な方法:

  • 先進的な3Dイメージング技術を使って
  • ネズミの脳のニューロン活動を分析する

主要な成果:

  • 脳内の活性ニューロンを特定する
  • 特定の行動に関連したニューロンの活動パターンをマッピングします

結論:

  • ネズミの脳全体の 3Dイメージングは 神経回路の機能に 新たな洞察を与えてくれます
  • このアプローチは動物の行動の 遺伝的・細胞的基盤を解読するのに 極めて重要です