Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Role of Amygdala in Memory01:16

Role of Amygdala in Memory

1.3K
The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
1.3K
State Space Representation01:27

State Space Representation

610
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
610
Graphical Representation of Inequalities01:28

Graphical Representation of Inequalities

228
The graph of the equation where y equals x squared forms a curve known as a parabola. This curve acts as a boundary in the coordinate plane, dividing it into distinct regions based on the relative position of points.When the equality sign in the equation is replaced with an inequality—such as greater than, less than, greater than or equal to, or less than or equal to—the graphical representation changes from a single curve into a broader shaded area that signifies the set of all...
228
Control Volume and System Representations01:16

Control Volume and System Representations

1.6K
Two key frameworks are employed to analyze mass, energy, and momentum transfer: the control volume approach and the system approach. These frameworks offer different perspectives, depending on whether the focus is on a specific region in space (control volume approach) or a defined mass of fluid (system approach).
The control volume approach considers a stationary region in space through which fluid flows. This region is bounded by a control surface.  For instance, in the case of water...
1.6K
Vector Representation of Complex Numbers01:16

Vector Representation of Complex Numbers

560
Complex numbers, represented in Cartesian coordinates, can also be visualized as vectors. These vectors can be expressed in polar form, emphasizing their magnitude and angle. When a complex number is input into a function, the output is another complex number, highlighting the function's zero point from which the vector representation can originate.
Consider a function defined as the product of the complex factors in the numerator divided by the product of the complex factors in the...
560
Self-Help Support Groups01:28

Self-Help Support Groups

363
Self-help support groups are voluntary, community-based organizations that provide a platform for individuals with shared concerns to exchange support, insights, and practical strategies for coping with life challenges. Typically led by group members or paraprofessionals, these groups form a cornerstone of mental health care, especially in reaching populations that are underserved by traditional healthcare systems.
Accessibility and Cost-Effectiveness
One of the primary strengths of self-help...
363

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Unsupervised deep learning enables blur-free resolution enhancement in two-photon microscopy.

Cell reports methods·2026
Same author

Inhibition of Sclerostin Protected Against Particle-Induced Osteolysis via Activation of Wnt Signaling and Suppression of Osteoclast Function.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
Same author

A synaptic mechanism for encoding the learned value of action-derived safety.

Nature communications·2026
Same author

Repeated Use of Emergency Departments for Nontraumatic Dental Conditions: Factors Associated With Being a Superutilizer.

Community dentistry and oral epidemiology·2026
Same author

Periodontal therapy among patients with cardiovascular disease: exploring its association with lower medical spending.

Frontiers in public health·2026
Same author

Neuronal TDP-43 regulates myelin formation via neurexin 1 mRNA stabilization.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Family of magnetic field-boosted superconductors in rhombohedral graphene.

Nature·2026
Same journal

What's the human cost of US research turmoil? A new film finds out.

Nature·2026
Same journal

Daily briefing: Ovaries start a second job after menopause.

Nature·2026
Same journal

Audio long read: Is the peptide craze backed by science? The promise behind the hype.

Nature·2026
Same journal

Scientists fight back against far-right plans to restrict academic freedom in Germany.

Nature·2026
Same journal

How AI can crack open the 'hidden curriculum' for neurodivergent students.

Nature·2026
関連記事をすべて見る

関連する実験動画

Updated: Feb 13, 2026

Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI
12:51

Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI

Published on: October 6, 2011

13.6K

アストロサイトは,記憶をサポートする amigdala 神経表現を可能にします.

Olena Bukalo1, Ruairi O'Sullivan2, Yuta Tanisumi3

  • 1Laboratory of Behavioral and Genomic Neuroscience, National Institute on Alcohol Abuse and Alcoholism, NIH, Bethesda, MD, USA. Olena.Bukalo@nih.gov.

Nature
|February 11, 2026
PubMed
まとめ
この要約は機械生成です。

基礎側桃体 (BLA) のアストロサイトは,恐惧状態を動的に追跡し,恐怖記憶の検索と消去を支援します. この研究は,適応的な恐怖反応におけるこれらの非ニューロン細胞の重要な役割を強調しています.

さらに関連する動画

How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging
10:48

How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging

Published on: June 3, 2013

22.8K
A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation
10:42

A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation

Published on: August 18, 2014

9.4K

関連する実験動画

Last Updated: Feb 13, 2026

Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI
12:51

Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI

Published on: October 6, 2011

13.6K
How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging
10:48

How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging

Published on: June 3, 2013

22.8K
A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation
10:42

A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation

Published on: August 18, 2014

9.4K

科学分野:

  • 神経科学は神経科学である.
  • 細胞生物学 細胞生物学

背景:

  • 恐怖の記憶と絶滅は,基礎側桃体 (BLA) の神経回路を含む.
  • これらのプロセスにおける非ニューロン細胞,特にアストロサイトの役割は十分に理解されていません.

研究 の 目的:

  • BLAアストロサイトが恐怖記憶と絶滅に与える影響を調査する.
  • アストロサイトが恐怖,リコール,絶滅の際にニューロン活動に影響を与えるメカニズムを解明する.

主な方法:

  • BLAアストロサイトとニューロンのインビボカルシウムイメージング.
  • 覚醒しているマウスのアストロサイト活動の因果的な操作.
  • BLA前頭前線回路における電気生理学的記録.

主要な成果:

  • BLAアストロサイトは動的に動物の恐怖状態を追跡します.
  • アストロサイト活動は,恐怖記憶の検索と消滅に不可欠です.
  • アストロサイトカルシウムシグナル伝達は,BLA-前頭前線経路を通じて,神経の暗号化と恐怖記憶の読み出しを促進します.

結論:

  • アストロサイトは,恐怖状態のニューラル表現を生成し,適応する上で重要な役割を果たします.
  • これらの発見は,桃体媒介の適応行動におけるアストロサイトの重要な機能を明らかにすることによって,神経中心的なモデルに挑戦します.
  • アストロサイトは,恐怖記憶と絶滅回路の不可欠な構成要素です.