cuneus

简明释义

英[ˈkjuːniəs]美[ˈkjuːniəs]

n. [昆] 楔片（半翅目的前翅）

复 数 c u n e i

英英释义

单词用法

同义词

反义词

例句

1.The cuneus is involved in processing visual stimuli from the lower visual field.

这个楔叶参与处理来自下视觉场的视觉刺激。

2.Damage to the cuneus can lead to visual field defects.

对楔叶的损伤可能导致视野缺损。

3.In neuroimaging studies, the cuneus shows increased activity during visual tasks.

在神经影像学研究中，楔叶在视觉任务中显示出活动增加。

4.The cuneus is located in the occipital lobe of the brain.

楔叶位于大脑的枕叶中。

5.Researchers found that the cuneus plays a role in spatial awareness.

研究人员发现楔叶在空间意识中起着重要作用。

作文

The human brain is a complex organ that plays a crucial role in our daily lives. Among its many components, the cuneus (楔叶) stands out as an important area involved in visual processing. Located in the occipital lobe, the cuneus is responsible for integrating visual stimuli and contributing to our perception of the world around us. Understanding the function of the cuneus can provide insights into how we interpret visual information and respond to our environment. The cuneus is situated above the calcarine sulcus and is bordered by the parieto-occipital sulcus. This anatomical positioning allows it to play a significant role in processing visual data received from the eyes. When light enters the eye, it is transformed into neural signals that travel through the optic nerve to the brain. The initial processing occurs in the primary visual cortex, but the cuneus further refines this information, particularly regarding spatial orientation and visual attention. Research has shown that the cuneus is activated during various visual tasks, such as recognizing faces, identifying objects, and navigating through space. For instance, when we look at a familiar face, the cuneus helps us to quickly identify and recall who that person is, allowing us to respond appropriately. This capability is essential for social interactions and forming connections with others. Moreover, the cuneus is not only involved in visual perception but also plays a role in memory and learning. Studies indicate that the cuneus interacts with other brain regions, such as the hippocampus, which is critical for forming new memories. This collaboration suggests that our visual experiences are closely tied to our ability to remember and learn from them. In addition to its role in healthy brain function, understanding the cuneus may have implications for various neurological conditions. For example, damage to this area can lead to visual field defects or difficulties in visual processing, which can severely impact a person's quality of life. Conditions such as stroke, traumatic brain injury, or neurodegenerative diseases may affect the cuneus, highlighting the importance of this region in maintaining cognitive and perceptual abilities. Furthermore, advancements in neuroimaging techniques have allowed researchers to observe the activity of the cuneus in real-time. Functional magnetic resonance imaging (fMRI) studies have provided valuable insights into how this brain region responds to different visual stimuli. These findings enhance our understanding of the neural mechanisms underlying visual perception and may guide future research in cognitive neuroscience. In conclusion, the cuneus (楔叶) is a vital component of the brain's visual processing system. Its role in integrating visual information, facilitating memory, and supporting social interactions underscores its significance in our daily lives. Continued research into the cuneus will not only deepen our understanding of visual perception but also pave the way for potential interventions in neurological disorders that affect this critical area of the brain.