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関連する概念動画

Generator Voltage Control01:21

Generator Voltage Control

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Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand, use...
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Synaptic Signaling01:12

Synaptic Signaling

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Neurons communicate at synapses, or junctions, to excite or inhibit the activity of other neurons or target cells, such as muscles. Synapses may be chemical or electrical.
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lncRNA - Long Non-coding RNAs02:39

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In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
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Plasticity00:58

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Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
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3D Modeling of Dendritic Spines with Synaptic Plasticity
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時計 が 生み出す タイム コード は,睡眠 を 制御 する シナプス プラスティシティ を 決定 する

Masashi Tabuchi1, Joseph D Monaco2, Grace Duan1

  • 1Department of Neurology, Johns Hopkins University, Baltimore, MD 21205, USA.

Cell
|October 16, 2018
PubMed
まとめ
この要約は機械生成です。

ドロソフィラのクロックニューロンの タイムスパイクパターンは 発射速度に関係なく 覚醒と睡眠を制御します この研究は,分子経路を特定し,時間的なコーディングを証明します.

キーワード:
ドロソフィラ昼間時計寝るシナプス可塑性タイムコード

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科学分野:

  • 神経科学
  • クロノバイオロジー
  • 分子生物学

背景:

  • ニューロンは速度コード (発射頻度) と時間コード (発射タイミング/パターン) を使用して情報をコードします.
  • 行動制御のための時間的なコードのみの十分性とその基礎となる分子機構は議論されている.

研究 の 目的:

  • 発射速度と異なるタイムスパイクパターンが,時間依存の覚醒をコードし,ドロソフィラの睡眠を調節するかどうかを調査する.
  • 昼夜依存のテンポラル・スパイクパターンを生成する 分子経路を特定する

主な方法:

  • ドロソフィラのクロックニューロンを 神経コードの研究に利用した.
  • 分子経路を特定するために 大規模な遺伝子スクリーニングを行いました
  • スパイク形態とイオン流の変化を調査した.

主要な成果:

  • 発射速度に関係なく 独特のタイムスパイクパターンが 時間依存の覚醒をコードし 睡眠を調節することが示されました
  • シルカディアン依存のイオン流とスパイク形態の変化を媒介する分子経路を特定した.
  • 昼間のスパイクパターンが 下流の興奮ニューロンの可塑性を誘発することを示した.

結論:

  • テンポラル・コーディングは 行動における因果的な役割を果たします 特に覚醒と睡眠の調節です
  • テンポラル・スパイクパターンが 引き起こす新種のシナプス可塑性
  • 行動的に関連する時間的なコードの生成の基礎となる分子メカニズムを明らかにした.