saccade

简明释义

英[səˈkɑːd]美[sæˈkɑd]

n. 眼睛飞快扫视；急速勒马

英英释义

单词用法

同义词

反义词

例句

1.The average length of a saccade is about 20-40 ms.

通常每次扫视的平均时间是20-40毫秒。

2.Methods83 patients with VBI and 57 healthy controls were tested with electronystagmogram instrument, include saccade test, Eye Tracking Test (ETT) and optokinetic test(OKN).

方法采用眼震电图仪对83例VBI患者进行眼动系统相关检查，并和57例正常人进行对照研究。

3.Pro- and antisaccade tasks are two kinds of popular saccade paradigms.

朝向和反向眼跳任务是两种较为常用的眼跳任务范式。

4.Method:Using a computerized electric oculography to give a quantitative record of the TWAG(Time-weighted average gain)and SR(Saccade rate)in 67 schizophrenic patients and 37 controls.

方法：采用电脑屏幕显示光标移动，并由电脑作定量分析的方法分别测试精神分裂症患者6 7例，正常对照者37例。

5.In the experimental design, monkeys were placed in front of a computer screen and were trained to perform a saccade task, in which they learned to direct their gaze at specific areas.

在实验设计中，猴子处于电脑屏幕前，被训练得进行一个扫视任务，任务中他们学会将他们的目光对准特定的区域。

6.Conclusion the both eyes saccade in children could improve with the age growth. The both eyes saccade of reading might be affected mainly by MGS.

结论儿童双眼跳跃功能随年龄增长而提高，阅读时的双眼跳跃主要受MGS作用影响。

7.This is called a "saccade," and it takes up to about.1 seconds on average.

这就是“扫视”，平均用时为0.1秒。

8.In this paper, a signal processing algorithm based on ideal EOG profile is proposed to extract the position data where a saccade occurred from the noisy and non-linear drifts included EOG signals.

提出了一种基于理想EOG曲线的处理算法从包含噪声和非线性漂移的EOG信号中提取扫视运动发生时眼球的位置数据。

9.Results and ConclusionDelay lower accuracy of saccade test, decreased gain of OKN, asymmetry of horizontal ETT were showed in the patients with VBI.

结果和结论VBI患者存在眼动系统异常，表现为扫视时间延迟、准确度差、视动增益值降低，平稳跟踪的不对称性。

10.In sports, athletes rely on saccades to track fast-moving objects like balls or opponents.

在运动中，运动员依赖扫视运动来追踪快速移动的物体，如球或对手。

11.Researchers study saccades to understand how attention is distributed during visual tasks.

研究人员研究扫视运动以了解在视觉任务中注意力的分布情况。

12.During a reading session, the brain uses saccade to quickly shift focus from one word to another.

在阅读过程中，大脑使用扫视运动快速将注意力从一个单词转移到另一个单词。

13.The eye movements known as saccades help in scanning the environment for potential threats.

被称为扫视运动的眼动有助于扫描环境以寻找潜在威胁。

14.A common symptom of certain neurological disorders is impaired saccadic eye movements.

某些神经系统疾病的常见症状是受损的扫视眼动。

作文

In the realm of neuroscience and vision science, the term saccade refers to a rapid movement of the eye that shifts the focus from one point to another. These swift eye movements are crucial for visual perception and play a significant role in how we interact with our environment. Understanding saccades not only helps in appreciating the complexity of human vision but also sheds light on various neurological conditions that can affect eye movement and visual processing.When we read a book or watch a movie, our eyes are constantly making saccades, darting from one word or image to the next. This process occurs so quickly that we often do not realize it is happening. Each saccade typically lasts only a fraction of a second, allowing us to gather information from different parts of our visual field without losing track of the overall scene. The brain seamlessly integrates these quick snapshots into a cohesive visual experience, enabling us to comprehend text or follow the action on screen.Interestingly, the nature of saccades can vary based on the task at hand. For instance, when reading, our eyes may make smaller, more frequent saccades as we move along lines of text. In contrast, when scanning a landscape, the saccades might be larger and less frequent, as our eyes jump from one interesting feature to another. This adaptability highlights the efficiency of our visual system and its ability to optimize eye movements based on context.Research has shown that saccades are not just simple reflexes; they are influenced by cognitive processes. Factors such as attention, expectation, and even emotional state can affect where and how we direct our gaze. For example, when we are focused on finding a specific object in a cluttered environment, our saccades become more strategic, targeting areas where that object is likely to be found. This interplay between cognition and eye movement underscores the importance of saccades in everyday activities, from reading to driving.Moreover, studying saccades has practical implications in various fields, including psychology, education, and even marketing. By analyzing eye movement patterns, researchers can gain insights into how people process information and make decisions. In educational settings, understanding how students utilize saccades can inform teaching strategies that enhance reading comprehension and engagement. In marketing, companies can use eye-tracking technology to determine which elements of an advertisement capture attention and drive consumer behavior.However, not all individuals exhibit typical saccadic movements. Certain neurological disorders, such as Parkinson's disease or schizophrenia, can disrupt the normal functioning of saccades. Patients may experience difficulties in initiating or controlling their eye movements, leading to challenges in visual perception and interaction with their surroundings. As such, studying saccades can provide valuable diagnostic information and aid in developing targeted interventions for those affected by these conditions.In conclusion, saccades are a fascinating aspect of human vision that exemplifies the intricate relationship between eye movements and cognitive processes. By understanding how saccades work, we can appreciate the complexities of visual perception and its impact on our daily lives. Whether we are reading, exploring, or simply observing the world around us, saccades play a vital role in shaping our experiences and interactions. As research continues to uncover the nuances of saccades, we can look forward to deeper insights into the workings of the human mind and visual system.

在神经科学和视觉科学领域，术语saccade指的是眼睛的快速运动，它将焦点从一个点转移到另一个点。这些迅速的眼动对于视觉感知至关重要，并在我们与环境的互动中发挥着重要作用。理解saccades不仅有助于欣赏人类视觉的复杂性，还能揭示可能影响眼球运动和视觉处理的各种神经系统疾病。当我们阅读一本书或观看一部电影时，我们的眼睛不断地进行saccades，从一个单词或图像跳跃到下一个。这一过程发生得如此之快，以至于我们常常没有意识到它正在发生。每次saccade通常只持续几分之一秒，使我们能够从视觉领域的不同部分收集信息，而不会失去对整体场景的把握。大脑将这些快速的快照无缝整合成一个连贯的视觉体验，使我们能够理解文本或跟随屏幕上的动作。有趣的是，saccades的性质可以根据任务的不同而变化。例如，在阅读时，我们的眼睛可能会进行较小、更频繁的saccades，随着我们沿着文本行移动。相反，当扫描一个风景时，saccades可能会更大且不太频繁，因为我们的眼睛从一个有趣的特征跳跃到另一个。这种适应性突显了我们视觉系统的效率及其根据上下文优化眼动的能力。研究表明，saccades不仅仅是简单的反射；它们受到认知过程的影响。注意力、预期甚至情绪状态等因素都可以影响我们注视的方向和方式。例如，当我们专注于在杂乱的环境中寻找特定物体时，我们的saccades变得更加有策略，针对那些物体可能出现的区域。这种认知与眼动之间的相互作用强调了saccades在日常活动中的重要性，从阅读到驾驶。此外，研究saccades在心理学、教育甚至市场营销等多个领域具有实际意义。通过分析眼动模式，研究人员可以深入了解人们如何处理信息和做出决策。在教育环境中，理解学生如何利用saccades可以为增强阅读理解和参与度的教学策略提供信息。在市场营销中，公司可以利用眼动追踪技术来确定广告中哪些元素吸引注意并推动消费者行为。然而，并非所有个体都表现出典型的saccadic运动。某些神经系统疾病，如帕金森病或精神分裂症，可能会干扰saccades的正常功能。患者可能会在启动或控制眼动方面遇到困难，从而导致视觉感知和与环境互动的挑战。因此，研究saccades可以提供有价值的诊断信息，并帮助开发针对这些疾病患者的有针对性的干预措施。总之，saccades是人类视觉的一个迷人方面，体现了眼动与认知过程之间复杂的关系。通过理解saccades的工作原理，我们可以欣赏视觉感知的复杂性及其对日常生活的影响。无论我们是在阅读、探索还是单纯观察周围的世界，saccades在塑造我们的体验和互动中发挥着重要作用。随着研究继续揭示saccades的细微差别，我们可以期待对人类思维和视觉系统运作的更深入见解。