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

The Integrated Rate Law: The Dependence of Concentration on Time02:39

The Integrated Rate Law: The Dependence of Concentration on Time

42.5K
While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
42.5K
Lateralization01:28

Lateralization

1.1K
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
1.1K
What is an Experiment?01:12

What is an Experiment?

18.8K
An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...
18.8K
Integration by Parts: Indefinite Integrals01:26

Integration by Parts: Indefinite Integrals

183
Integration by parts is a fundamental technique in calculus for evaluating integrals involving the product of two functions. It is particularly useful when direct integration is not feasible. The method is based on the product rule for differentiation, which states that the derivative of a product equals the derivative of the first function times the second, plus the first function times the derivative of the second. By integrating this identity and rearranging terms, the integration by parts...
183
Integration by Parts: Definite Integrals01:23

Integration by Parts: Definite Integrals

85
Definite integrals involving the product of two functions over a fixed interval can be evaluated using integration by parts. This method rewrites the integral as the difference of a product evaluated at the endpoints and a remaining definite integral that is often simpler to compute.A representative example is the definite integral of the inverse tangent function. Since there is no direct integration formula for arctan ⁡x, the integrand is rewritten as a product of arctan⁡ x and the...
85
Association Areas of the Cortex01:21

Association Areas of the Cortex

9.4K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.4K

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

The neural bases for timing of durations.

Nature reviews. Neuroscience·2022
Same author

Revising the Parallel-Pathways Hypothesis with Time.

Frontiers in systems neuroscience·2017
Same author

The role of additive in diketopyrrolopyrrole-based small molecular bulk heterojunction solar cells.

Advanced materials (Deerfield Beach, Fla.)·2013
Same author

Discovery and activity profiling of thailandepsins A through F, potent histone deacetylase inhibitors, from <i>Burkholderia thailandensis</i> E264.

MedChemComm·2013
Same author

Estimation of glomerular filtration rate by a radial basis function neural network in patients with type-2 diabetes mellitus.

BMC nephrology·2013
Same author

[Treatment of osteomyelitis and soft tissue defects at distal region of leg and foot by pedicled peroneus brevis muscle flaps and reverse island flaps with sural nerve and blood supplying vessels].

Zhonghua shao shang za zhi = Zhonghua shaoshang zazhi = Chinese journal of burns·2013

関連する実験動画

Updated: Feb 6, 2026

Preparation of Parasagittal Slices for the Investigation of Dorsal-ventral Organization of the Rodent Medial Entorhinal Cortex
09:45

Preparation of Parasagittal Slices for the Investigation of Dorsal-ventral Organization of the Rodent Medial Entorhinal Cortex

Published on: March 28, 2012

16.1K

側腸内皮質の経験から時間を統合する

Albert Tsao1,2, Jørgen Sugar3, Li Lu3,4

  • 1Kavli Institute for Systems Neuroscience and Centre for Neural Computation, NTNU, Trondheim, Norway. albert.tsao@ntnu.no.

Nature
|August 31, 2018
PubMed
まとめ

側頭葉皮質は ニューラル集団状態を通して様々なスケールで時間をコードし エピソード的記憶に不可欠です ヒポカンプスのような 他の脳の領域では あまり知られていません

さらに関連する動画

Ex Vivo Optogenetic Interrogation of Long-Range Synaptic Transmission and Plasticity from Medial Prefrontal Cortex to Lateral Entorhinal Cortex
11:31

Ex Vivo Optogenetic Interrogation of Long-Range Synaptic Transmission and Plasticity from Medial Prefrontal Cortex to Lateral Entorhinal Cortex

Published on: February 25, 2022

2.9K
Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety
10:51

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety

Published on: January 20, 2012

21.8K

関連する実験動画

Last Updated: Feb 6, 2026

Preparation of Parasagittal Slices for the Investigation of Dorsal-ventral Organization of the Rodent Medial Entorhinal Cortex
09:45

Preparation of Parasagittal Slices for the Investigation of Dorsal-ventral Organization of the Rodent Medial Entorhinal Cortex

Published on: March 28, 2012

16.1K
Ex Vivo Optogenetic Interrogation of Long-Range Synaptic Transmission and Plasticity from Medial Prefrontal Cortex to Lateral Entorhinal Cortex
11:31

Ex Vivo Optogenetic Interrogation of Long-Range Synaptic Transmission and Plasticity from Medial Prefrontal Cortex to Lateral Entorhinal Cortex

Published on: February 25, 2022

2.9K
Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety
10:51

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety

Published on: January 20, 2012

21.8K

科学分野:

  • 神経科学
  • 認知科学
  • 記憶に関する研究

背景:

  • エピソード記憶は 時間をコードし 出来事に結びつけます
  • ヒポカンプス・エントルヒナル回路内の正確な神経メカニズムはほとんど不明である.

研究 の 目的:

  • ヒポカンプス・エントロリン系で 時間の情報がどのように 暗号化されているかを調べるためだ
  • エピソード的な記憶の時間を表す側頭葉皮質の役割を決定する.

主な方法:

  • 放浪しているネズミの 電気生理学的記録
  • 側腸内皮質,中腸内皮質,そして海馬 (CA3-CA1) のニューラル集団の活動分析.
  • 試験における経験の類似性を操作し評価するための行動課題

主要な成果:

  • 数秒から数時間の間にわたる タイム情報に関する 堅固なコーディングが 側頭上皮質の集団状態で発見されました
  • 側頭葉皮質と海馬では テンポラル・エンコーディングが 少なく見られた.
  • 制限された行動的なタスクは タイムフローのエンコーディングを減少させましたが テスト開始時のエンコーディングは改善されました

結論:

  • 側腸内皮質のニューロンは 経験の符号化を通して 時間を表しています
  • この時間的表現は,海馬の中央側頭葉皮質の空間的入力と統合することができる.
  • ヒッポキャンプスは 単一の"何"と"何処"と"いつ"の記憶を 形成します