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関連する概念動画

Brainstem: Control Centers of Medulla01:21

Brainstem: Control Centers of Medulla

3.8K
The medulla oblongata is a crucial part of the brainstem responsible for controlling various autonomic and involuntary functions. It contains several nuclei, including the olivary, cuneate, gracile, and solitary nuclei.
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...
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Neural Control of Respiration01:18

Neural Control of Respiration

4.6K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
4.6K
Diencephalon: Hypothalamus and Coordination01:23

Diencephalon: Hypothalamus and Coordination

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The hypothalamus is a small yet highly complex and essential brain region that plays a crucial role in regulating various bodily functions. Anatomically, it is located at the base of the brain, just above the brainstem and below the thalamus, forming part of the limbic system.
The hypothalamus interacts with other brain regions, including the pituitary gland, through a direct physical connection called the hypothalamic-pituitary axis. The hypothalamus receives somatic and visceral inputs and...
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Neural Regulation01:37

Neural Regulation

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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Diencephalon: Anatomical Regions01:30

Diencephalon: Anatomical Regions

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The diencephalon, etymologically translated as 'through brain,' plays an integral role as the conduit between the cerebrum and the vast extent of the nervous system. However, the olfactory system is an exception, as it interfaces directly with the cerebrum. The diencephalon, deeply ensconced beneath the cerebrum, primarily consists of three paired structures — the thalamus, hypothalamus, and epithelamus. It also includes accessory structures such as the subthalamus, which houses the...
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Organization of the Brain01:30

Organization of the Brain

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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...
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関連する実験動画

Updated: Jan 18, 2026

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
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消耗 的 な 反応 を 制御 する 脳 中心

Jose A Canovas1, Li Wang1, Ahmed A M Mohamed1

  • 1Zuckerman Mind Brain Behavior Institute, Columbia University, New York, NY, USA; Department of Biochemistry and Molecular Biophysics, Howard Hughes Medical Institute, Columbia University, New York, NY, USA.

Cell
|September 11, 2025
PubMed
まとめ
この要約は機械生成です。

この研究は,脳がどのように

キーワード:
GLP1R について脳の回路カチェキア消費的な行動内部状態甘さ,塩,そして食べ物味覚について体重減少

さらに関連する動画

Real-time Analysis of Gut-brain Neural Communication: Cortex wide Calcium Dynamics in Response to Intestinal Glucose Stimulation
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Real-time Analysis of Gut-brain Neural Communication: Cortex wide Calcium Dynamics in Response to Intestinal Glucose Stimulation

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Control of Eating Behavior Using a Novel Feedback System
04:48

Control of Eating Behavior Using a Novel Feedback System

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関連する実験動画

Last Updated: Jan 18, 2026

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
08:07

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats

Published on: August 24, 2016

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Real-time Analysis of Gut-brain Neural Communication: Cortex wide Calcium Dynamics in Response to Intestinal Glucose Stimulation
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Control of Eating Behavior Using a Novel Feedback System
04:48

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科学分野:

  • 神経科学
  • 行動神経科学
  • 感覚 処理

背景:

  • 脳の生まれつきの甘いものが 食欲と消費を駆り立てます
  • 報酬と消費の 神経回路を理解することは 代謝の健康に不可欠です

研究 の 目的:

  • 甘いものを消費する神経経路を 特定するためです
  • ストリア・ターミナリス (BNST) のベッド核が消費行動の調節に果たす役割を調査する.
  • 内部状態が 感覚による消費にどのように影響するか 探求すること

主な方法:

  • 動物モデルにおける単細胞機能的イメージング
  • 神経回路の追跡で 桃体とBNSTの接続をマップする
  • オプトジェネティック操作の BNST 活動.

主要な成果:

  • アミグダラのニューロンは BNSTに発射され 甘いものを消費します
  • BNSTは中央のハブとして機能し,感覚情報を内部状態と統合し,様々な刺激 (甘い,塩,食物) の消費を調節します.
  • BNSTアンサンブル活動は刺激のアイデンティティと内部状態をコードし,その操作は双方向的に消費反応を変えます.

結論:

  • 内部状態は BNST 経由で感覚反応を調節する.
  • BNSTは 消費に関する一般的な脳のダイヤルとして機能し 肥満や病的な食生活などの 状態についての洞察を提供します
  • GLP1Rアゴニストを含む重量管理および関連する疾患に対する潜在的な治療標的を示唆しています.