hippocampus

简明释义

英[ˌhɪpəˈkæmpəs]美[ˌhɪpəˈkæmpəs]

n. 海马体；马头鱼尾兽（希腊神话中的生物）

复 数 h i p p o c a m p i

英英释义

单词用法

同义词

反义词

例句

1.For some amount of time the memory resides both in the hippocampus and elsewhere in the brain.

在一段时期内，记忆会同时存在于海马体和其他的大脑区域。

2.Why, then, might old memories be transferred from the hippocampus to the frontal cortex?

那么，为什么会旧的记忆会从海马转移到额叶皮层？

3.The group examined the hippocampus - a region known to be involved in learning - in mouse brains.

研究团队对老鼠脑部海马体(负责学习的区域)进行了研究。

4.These cells arise in the hippocampus, a brain region associated with learning and memory.

这些神经元在海马状突起形成——海马状突起是与学习与记忆相关的一个大脑区域。

5.Previous work in rats identified the hippocampus as a region of the brain that stores spatial memories.

以前在老鼠身上的研究确定了脑部的海马回是存储空间记忆的区域。

6.Meanwhile, Glen McNeilI has more work to do with his hippocampus.

同时，对海马区来说，GlenMcNeili还有更多的工作要做。

7.Learning happens in the hippocampus, a brain region that plays a key role in acquiring memories.

学习发生在脑部的海马状突起中，这是获取记忆最关键的脑部区域。

8.The hippocampus 海马体 plays a key role in spatial navigation.

海马体在空间导航中发挥着关键作用。

9.Memory consolidation occurs in the hippocampus 海马体 during sleep.

记忆巩固在睡眠期间发生在海马体中。

10.The hippocampus 海马体 is crucial for forming new memories.

海马体对于形成新记忆至关重要。

11.Researchers found that stress can affect the size of the hippocampus 海马体 in adults.

研究人员发现压力可以影响成年人海马体的大小。

12.In Alzheimer’s patients, the hippocampus 海马体 often shows significant degeneration.

在阿尔茨海默病患者中，海马体通常会出现显著退化。

作文

The human brain is an intricate organ, responsible for a myriad of functions that define our existence. Among its many components, the hippocampus plays a crucial role in memory formation and spatial navigation. This small, seahorse-shaped structure is located deep within the temporal lobe and is essential for converting short-term memories into long-term ones. Understanding the hippocampus is vital for grasping how we learn and remember. Research has shown that the hippocampus is particularly sensitive to stress and can be affected by various factors such as age, disease, and lifestyle. For instance, studies have indicated that chronic stress can lead to a reduction in the size of the hippocampus, which may result in difficulties with memory and learning. This highlights the importance of maintaining a healthy lifestyle, as exercise and proper nutrition can promote the growth of new neurons in this area, a process known as neurogenesis.Moreover, the hippocampus is not just involved in memory; it also plays a significant role in our ability to navigate through space. When we learn a new environment, the hippocampus helps us create a mental map, allowing us to remember where we are and how to get to our destination. This spatial awareness is crucial for everyday activities, from finding our way around a new city to remembering where we parked our car.In addition to its roles in memory and navigation, the hippocampus has been linked to emotional regulation. Research suggests that this brain structure interacts with other regions involved in emotion, such as the amygdala. This connection explains why memories associated with strong emotions are often more vivid and easier to recall. For example, people might remember their first day at school or a wedding day with great clarity, largely due to the emotional weight these events carry, which engages the hippocampus more intensely.Interestingly, the hippocampus is one of the few areas in the brain where neurogenesis occurs throughout adulthood. This has profound implications for our understanding of learning and memory. It suggests that we have the capacity to improve our cognitive abilities even as we age. Engaging in mentally stimulating activities, such as puzzles, reading, or learning new skills, can help enhance the function of the hippocampus and promote overall brain health.In conclusion, the hippocampus is a remarkable part of the human brain, integral to memory, navigation, and emotional processing. Its vulnerability to stress and aging makes it a focal point for research aimed at improving cognitive health. By understanding the hippocampus, we can better appreciate the complexities of our minds and take proactive steps to maintain our memory and learning capabilities throughout our lives. As we continue to explore the mysteries of the brain, the hippocampus will undoubtedly remain a key player in unlocking the secrets of human cognition and behavior.

人脑是一个复杂的器官，负责定义我们存在的无数功能。在其众多组成部分中，海马体在记忆形成和空间导航中发挥着至关重要的作用。这个小巧的、像海马一样的结构位于颞叶深处，对于将短期记忆转化为长期记忆至关重要。理解海马体对于掌握我们如何学习和记忆至关重要。研究表明，海马体对压力特别敏感，可能受到年龄、疾病和生活方式等各种因素的影响。例如，研究已表明，慢性压力可能导致海马体体积缩小，这可能导致记忆和学习困难。这突显了保持健康生活方式的重要性，因为锻炼和适当的营养可以促进这一区域中新神经元的生长，这一过程被称为神经发生。此外，海马体不仅参与记忆，还在我们通过空间导航方面发挥重要作用。当我们学习新环境时，海马体帮助我们创建心理地图，使我们能够记住我们在哪里以及如何到达目的地。这种空间意识对于日常活动至关重要，从找到新城市的路线到记住我们停车的地方。除了在记忆和导航中的作用，海马体还与情绪调节有关。研究表明，这一脑结构与涉及情感的其他区域（如杏仁核）相互作用。这一联系解释了为什么与强烈情感相关的记忆往往更加生动，更容易回忆。例如，人们可能会清晰地记得他们上学的第一天或婚礼当天，这在很大程度上是由于这些事件所承载的情感重量，使得海马体更强烈地参与其中。有趣的是，海马体是大脑中少数几个在成年期仍然发生神经发生的区域之一。这对我们理解学习和记忆具有深远的影响。这表明，即使随着年龄的增长，我们也有能力提高我们的认知能力。参与智力刺激活动，如拼图、阅读或学习新技能，可以帮助增强海马体的功能并促进整体大脑健康。总之，海马体是人脑中一个非凡的部分，对于记忆、导航和情感处理至关重要。它对压力和衰老的脆弱性使其成为旨在改善认知健康的研究焦点。通过理解海马体，我们可以更好地欣赏我们思想的复杂性，并采取主动措施以保持我们的记忆和学习能力，贯穿我们的一生。随着我们继续探索大脑的奥秘，海马体无疑将继续成为揭开人类认知和行为秘密的关键角色。