after image
简明释义
余留图像
英英释义
An afterimage is a visual illusion that occurs when an image continues to appear in one's vision after the exposure to the original image has ceased. | 残像是指在原始图像曝光结束后,图像仍然在视觉中持续出现的视觉幻觉。 |
例句
1.Artists sometimes use the concept of after image to create visual effects in their paintings.
艺术家有时利用余像的概念在他们的画作中创造视觉效果。
2.The phenomenon of an after image can be explained by how our eyes adapt to light.
这种余像现象可以通过我们的眼睛如何适应光线来解释。
3.The after image can linger for several seconds after the stimulus is removed.
在刺激消失后,余像可能会持续几秒钟。
4.After staring at the bright light, I saw an after image of the bulb in my vision.
盯着强光看后,我在视野中看到了灯泡的余像。
5.If you look at a colorful pattern and then close your eyes, you might see an after image of that pattern.
如果你看着一个多彩的图案然后闭上眼睛,你可能会看到那个图案的余像。
作文
The concept of after image refers to the visual phenomenon that occurs when our eyes and brain continue to perceive an image even after the original stimulus has been removed. This intriguing effect can often be observed when we look at a bright light or a colorful object for an extended period. Once we shift our gaze away, we may find that we still see a lingering impression of that image. The after image can take on various forms, including positive and negative images. Positive after images retain the colors and shapes of the original object, while negative after images display inverted colors and can sometimes appear as a ghostly outline of the original form.Understanding the science behind after images requires a basic knowledge of how our eyes and brain process visual information. Our eyes contain photoreceptor cells known as rods and cones, which are responsible for detecting light and color. When we stare at a bright object, these cells become overstimulated. Once we look away, it takes a moment for them to return to their normal state. During this transition, the overstimulated cells can continue to send signals to the brain, resulting in the perception of an after image.This phenomenon has practical applications in various fields, including art and design. Artists often utilize the concept of after images to create visually striking compositions that engage viewers. By strategically placing contrasting colors next to each other, they can enhance the vibrancy of their work and evoke emotional responses from the audience. Additionally, understanding after images can help designers create more effective advertisements by manipulating colors and shapes to capture attention and leave a lasting impression.In everyday life, we encounter after images more frequently than we might realize. For example, after watching a movie with bright visuals, we may close our eyes and still see flashes of the scenes we just witnessed. Similarly, after looking at a bright screen for too long, we might experience a brief after image of the content we were viewing. These experiences remind us of the intricate ways our perception works and how our brains interpret the world around us.Moreover, after images can be related to psychological concepts such as memory and perception. Just as we can have vivid memories of past experiences, after images serve as a reminder of how our brains retain information, even if only temporarily. This connection highlights the importance of visual stimuli in shaping our thoughts and emotions. In a world saturated with images, understanding the role of after images can deepen our appreciation for the impact of visual culture on our lives.In conclusion, the phenomenon of after images is a fascinating intersection of biology, psychology, and art. By exploring how after images are formed and their implications in various contexts, we can gain a better understanding of the complexities of human perception. Whether we are artists seeking to create compelling visuals or individuals navigating a visually rich environment, recognizing the power of after images can enrich our experiences and enhance our interactions with the world around us.
“after image”这个概念指的是一种视觉现象,当我们的眼睛和大脑在原始刺激消失后仍然继续感知图像时,就会发生这种现象。这种有趣的效果通常可以在我们长时间注视明亮的光源或色彩丰富的物体时观察到。当我们转移视线时,可能会发现自己仍然看到那个图像的残留印象。after image可以呈现出多种形式,包括正像和负像。正after image保留了原始物体的颜色和形状,而负after image则显示出反转的颜色,有时看起来像原始形状的幽灵轮廓。理解after image背后的科学需要对我们的眼睛和大脑如何处理视觉信息有基本的了解。我们的眼睛包含被称为杆细胞和锥细胞的光感受器细胞,负责检测光线和颜色。当我们盯着一个明亮的物体时,这些细胞会变得过度刺激。一旦我们移开视线,细胞恢复到正常状态需要一点时间。在这个过渡过程中,过度刺激的细胞可能会继续向大脑发送信号,从而导致对after image的感知。这种现象在艺术和设计等多个领域中具有实际应用。艺术家们常常利用after image的概念来创建引人注目的作品,吸引观众的注意力。通过将对比鲜明的颜色相邻放置,他们可以增强作品的生动性,并激发观众的情感反应。此外,理解after image可以帮助设计师通过操控颜色和形状来制作更有效的广告,从而吸引注意力并留下持久的印象。在日常生活中,我们比想象中更频繁地遇到after image。例如,在观看了一部视觉效果鲜艳的电影后,我们可能闭上眼睛,仍然看到刚刚目睹的场景的闪光。同样,在长时间盯着明亮的屏幕后,我们可能会经历短暂的after image,回忆起我们正在查看的内容。这些体验提醒我们感知工作的复杂方式,以及我们的大脑如何解读周围的世界。此外,after image可以与心理学概念如记忆和感知相关联。就像我们可以对过去的经历有生动的记忆一样,after image也作为我们大脑保留信息的提醒,即使只是暂时的。这种联系突显了视觉刺激在塑造我们思想和情感方面的重要性。在一个充满图像的世界中,理解after image的作用可以加深我们对视觉文化对生活影响的认识。总之,after image这一现象是生物学、心理学和艺术之间的迷人交汇点。通过探索after image的形成及其在各种背景下的影响,我们可以更好地理解人类感知的复杂性。无论我们是艺术家寻求创造引人注目的视觉效果,还是在视觉丰富的环境中导航的个体,认识到after image的力量都可以丰富我们的体验,并增强我们与周围世界的互动。
相关单词