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在金鱼 (Carassius auratus) 中间脑中大量水流的表示

Grace E Van Susteren¹, Joachim Mogdans²

¹Department of Biology, University of Washington, Seattle, WA, USA. gvansust@uw.edu.

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology

|September 17, 2024

概括

鱼类中脑单元对水的流动做出反应,其中一些显示了与流速相关的活动增加. 然而,在这项研究中,没有发现能够直接感知流动方向的单元.

科学领域:

神经科学是一个神经科学.
感官生物学感官生物学
鱼类学鱼类学鱼类学

背景情况:

鱼类和两动物的侧线系统检测水的运动.
信息从受体传递到中脑半圆形.
之前的研究往往缺乏自然主义的大规模流动条件.

研究的目的:

调查中脑机械感官单元如何处理大量的水流.
分析时间尖峰模式,速度和方向传感.

主要方法:

来自半圆形体中的侧线单元的电生理记录.
呈现前后和后前方向的不同散装流速的呈现.

主要成果:

中脑机械感应单元改变了它们的排放速度与散装水流.
一些单位随着流速的增加增加了火速,而另一些则没有.
没有发现可以直接编码流动方向的单元.

结论:

中脑单元对水流敏感,有一些处理速度信息.
该系统可能依赖于其他机制或神经计算来准确地感知方向.

关键词:

水力动力学是指水力动力学.侧面直线侧面直线运行水流的水.杆半圆形是半圆形的

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Anatomy of the Brain: Ventricles

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There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen.