colliculus

简明释义

英[kɒˈlɪkjʊləs]美[kəˈlɪkjələs;kɑːˈlɪkjʊləs]

n. [解剖] 丘

复 数 c o l l i c u l i

英英释义

单词用法

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例句

1.The inferior colliculus (IC), as an important nucleus of auditory midbrain, is crucial for sound localization.

下丘作为听觉中脑的重要组成部分，在声源定位的过程中起到非常重要的作用。

2.These include the superior colliculus, which is crucial in eye movements and may have other sensory functions; and, probably, circuits running through the amygdala, which registers emotion.

包括在眼球运动中起决定作用的上丘也可能会有其他的感觉功能，并且有可能通路通过记录情感的杏仁核。

3.Neurons in the upper layers of the superior colliculus have well-defined receptive fields.

神经元在上丘的上层有明确的接收区。

4.When images begin to fade, the uncertainty about where to look increases the fluctuations in superior colliculus activity, triggering a microsaccade.

当图象消失了，因为不确定该往哪看，上视丘神经活动会出现起伏现象，引起微眼跳。

5.The posterior group supplies the superior and inferior colliculus.

后群动脉主要供应上丘和下丘。

6.Also some changes were found in vestibulum, inferior olivary nucleus, vagus nerve nucleus, superior colliculus, basal ganglion, pons, Cerebellumand motor area of cortex.

前庭、下橄榄核、迷走神经核、上丘、基底节、桥脑、小脑、皮质运动区也有组织学改变。

7.Although the ontogeny of the optic system to the lateral geniculate body, superior colliculus have been well studied.

虽然视神经的发育已有报告，但对于到副视神经系统的内终核之研究却未有了解。

8.These include the superior colliculus, which is crucial in eye movements and may have other sensory functions; and, probably, circuits running through the amygdala, which registers emotion.

包括在眼球运动中起决定作用的上丘也可能会有其他的感觉功能，并且有可能通路通过记录情感的杏仁核。

9.The superior colliculus plays a critical role in visual processing.

上丘在视觉处理方面发挥着关键作用。

10.Research has shown that the inferior colliculus is involved in auditory reflexes.

研究表明，下丘与听觉反射有关。

11.Damage to the colliculus can lead to difficulties in spatial awareness.

对丘脑的损伤可能导致空间意识困难。

12.The colliculus is essential for coordinating head and eye movements.

丘脑对协调头部和眼睛运动至关重要。

13.In animals, the colliculus helps in tracking moving objects.

在动物中，丘脑有助于追踪移动物体。

作文

The human brain is a complex organ that controls many functions of the body, including movement, sensation, and cognition. One of the lesser-known structures within the brain is the colliculus, which plays a crucial role in processing sensory information, particularly visual and auditory stimuli. The term colliculus refers to small, rounded protuberances located on the dorsal part of the midbrain, specifically in an area known as the tectum. There are two main types of colliculi: the superior colliculus and the inferior colliculus. Each serves distinct functions that are essential for our interaction with the environment. The superior colliculus is primarily involved in visual processing. It helps in the coordination of eye movements and plays a role in orienting our gaze toward objects of interest. For instance, when we see something moving in our peripheral vision, the superior colliculus helps us quickly turn our eyes and head to focus on that object. This rapid response is vital for survival, allowing us to react to potential threats or opportunities in our surroundings. The integration of visual information from both eyes occurs in the superior colliculus, enabling depth perception and spatial awareness. On the other hand, the inferior colliculus is primarily associated with auditory processing. It acts as a relay station for sound information traveling from the ears to the auditory cortex. The inferior colliculus is responsible for localizing sounds in space, which is crucial for understanding where a sound is coming from. This ability to pinpoint the source of a sound enhances our awareness of the environment and contributes to our overall safety. For example, if we hear a car approaching from behind, the inferior colliculus helps us determine its direction, allowing us to respond appropriately. Both the superior and inferior colliculi are interconnected with various other brain regions, forming a network that facilitates the integration of sensory information. This network enables us to make quick decisions based on what we see and hear. Moreover, the colliculi are involved in reflexive responses to stimuli, such as the startle reflex, which can be triggered by sudden loud noises or unexpected movements. In summary, the colliculus is a vital component of the brain's sensory processing system. Its role in visual and auditory integration allows us to interact effectively with our environment, enhancing our ability to respond to challenges and opportunities. Understanding the function of the colliculus not only deepens our knowledge of neuroscience but also highlights the intricate workings of the human brain. As research continues to uncover more about this remarkable structure, we gain valuable insights into how our brains process information, ultimately shaping our experiences and behaviors. In conclusion, the colliculus serves as a critical hub for sensory processing, emphasizing the importance of this often-overlooked structure in the grand scheme of brain function. By appreciating the role of the colliculus in our daily lives, we can better understand the complexities of human perception and reaction, reinforcing the idea that every part of our brain has a specific and significant role to play in our overall functioning.

人脑是一个复杂的器官，控制着身体的许多功能，包括运动、感觉和认知。在大脑内部，有一个较少为人知的结构——colliculus，它在处理感觉信息方面发挥着至关重要的作用，特别是在视觉和听觉刺激方面。术语colliculus指的是位于中脑背侧部分的小圆形突起，具体来说是在一个称为 tectum 的区域内。主要有两种类型的colliculi：上colliculus和下colliculus。每种类型都具有独特的功能，这些功能对于我们与环境的互动至关重要。 上colliculus主要参与视觉处理。它有助于眼球运动的协调，并在将目光定向到感兴趣的物体时发挥作用。例如，当我们在周边视野中看到某物移动时，上colliculus帮助我们迅速转动眼睛和头部以集中注意力于该物体。这种快速反应对于生存至关重要，使我们能够对周围潜在的威胁或机会作出反应。来自双眼的视觉信息在上colliculus中整合，使得深度感知和空间意识成为可能。 另一方面，下colliculus主要与听觉处理相关。它充当从耳朵到听觉皮层的声音信息的中继站。下colliculus负责定位声音在空间中的位置，这对于理解声音来源至关重要。这种确定声音来源的能力增强了我们对环境的意识，并有助于我们的整体安全。例如，如果我们听到一辆车从后面接近，下colliculus帮助我们确定其方向，使我们能够做出适当的反应。 上colliculus和下colliculus之间相互连接，与其他多个大脑区域形成网络，促进感觉信息的整合。这个网络使我们能够根据所见和所闻快速做出决策。此外，colliculi还参与对刺激的反射性反应，例如惊跳反射，可以通过突然的响声或意外的运动触发。 总之，colliculus是大脑感觉处理系统的重要组成部分。它在视觉和听觉整合中的作用使我们能够有效地与环境互动，增强我们对挑战和机会的反应能力。理解colliculus的功能不仅加深了我们对神经科学的认识，还突显了人脑复杂的运作。随着研究不断揭示有关这一显著结构的更多信息，我们获得了关于大脑如何处理信息的宝贵洞察，从而最终塑造我们的经历和行为。 最后，colliculus作为感觉处理的关键枢纽，强调了这一常被忽视的结构在大脑功能总体框架中的重要性。通过欣赏colliculus在我们日常生活中的作用，我们可以更好地理解人类感知和反应的复杂性，进一步加强了每个大脑部分在我们整体功能中扮演特定且重要角色的观点。