行動の出現をイメージする
1Department of Neurobiology, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria; Research Institute of Molecular Pathology (IMP), Vienna Biocenter (VBC), Campus-Vienna-Biocenter 1, 1030 Vienna, Austria.
Cell
|October 5, 2019
まとめ
研究者はゼブラフィッシュの脊髄における ニューロンの発達と活動を追跡しました 運動ニューロンは最初は小さな集団を形成し その後はより大きな集団に成長し 最初の運動パターンを形成します
科学分野:
- 神経科学
- 発達生物学
- システム神経科学
背景:
- 神経細胞の発達を理解することは 運動制御の解読に不可欠です
- 初期の神経活動パターンは 発達中の神経系を形作ります
研究 の 目的:
- ニューロンの発達と活動を 徹底的に追跡する
- 脊髄発達の過程における ニューロンの活動集合の起源を調査する.
主な方法:
- ニューロンの縦断的な追跡です
- ニューロンの活性を in vivo で監視する.
- 斑馬魚の脊髄の発達モデルです
主要な成果:
- モーターニューロンは ニューロンの活動集合体の 主要な創始者です
- 初めは小さな集団が 大きくなるニューロンの集団に 結合します
- これらの集団は 発達過程で最初の運動パターンを確立します
結論:
- モーターニューロンは 初期の神経回路の形成に 根本的な役割を果たします
- ニューロンの集合体の発達は ダイナミックなプロセスです
- この研究は 運動制御の出現について 洞察を与えてくれます
関連する概念動画
Behaviorism
4.2K
The field of behaviorism was pioneered by figures such as Ivan Pavlov, John B. Watson, and B.F. Skinner fundamentally shifted the focus of psychology to the observable and controllable aspects of human and animal behavior. This shift marked a critical evolution in the discipline, emphasizing scientific rigor and experimental methodology.
The core premise of behaviorism is its focus on observable behavior rather than internal thoughts or feelings. This approach argues that true scientific...
The core premise of behaviorism is its focus on observable behavior rather than internal thoughts or feelings. This approach argues that true scientific...
4.2K
Brain Imaging
623
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...
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...
623
Nonconscious Mimicry
5.1K
Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
5.1K
What is Behavior?
9.9K
Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.
9.9K
Observational Learning
779
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
779
Introduction to Learning
883
Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
883


