Visual search

A plot of the saccades made while reading text. The plot shows the path of eye movements and the size of the circles represents the time spent at any one location.

A pseudo-color image showing activation of the primary visual cortex during a perceptual task using functional magnetic resonance imaging (fMRI)

Visual search primarily activates areas of the parietal lobe.

Visual search is a type of perceptual task requiring attention that typically involves an active scan of the visual environment for a particular object or feature (the target) among other objects or features (the distractors). Visual search can take place either with or without eye movements. The ability to consciously locate an object (target) amongst a complex array of stimuli (distractors) has been extensively studied over the past 40 years. Practical examples of this can be seen in everyday life such as picking out a product on a supermarket shelf, animals searching for food amongst piles of leaves, trying to find your friend in a large crowd of people and playing visual search tasks such as Where's Wally? Many visual search paradigms have used eye movements as a means to measure the degree of attention given to stimuli. However, vast research to date suggests that eye movements move independently of attention and therefore is not a reliable method to examine the role of attention. Much of the previous literature on visual search uses reaction time in order to measure the time taken to detect the target amongst its distractors. An example of this could be a green square (target) amongst a set of red circles (distractors).

单词	Visual search
释义	Visual search 原声例句华尔街日报 I searched " brown leather bag." It came up in visual search. 我搜索了 “棕色皮包”。它出现在视觉搜索中。 CRI在线 2014年4月合集 According to the JACC , the Australian Maritime Safety Authority has planned a visual search area totaling over 41 thousand square kilometers. 据联合协调中心消息，澳大利亚海上安全局计划当天在共计约41393平方公里的海域展开可视化搜索。华尔街日报 This means the Google Lens, the company's visual search tool can often read things even when it can't make out every single letter. 这意味着，谷歌的视觉搜索工具 Google Lens 即使无法辨认出每一个字母，也常常能够读取内容。 2023-39 Microsoft introduced this kind of visual search tool, based on OpenAI's technology, in its Bing chatbot over the summer. 今年夏天，微软在其 Bing 聊天机器人中推出了这种基于 OpenAI 技术的视觉搜索工具。英语百科 Visual search Visual search is a type of perceptual task requiring attention that typically involves an active scan of the visual environment for a particular object or feature (the target) among other objects or features (the distractors). Visual search can take place either with or without eye movements. The ability to consciously locate an object (target) amongst a complex array of stimuli (distractors) has been extensively studied over the past 40 years. Practical examples of this can be seen in everyday life such as picking out a product on a supermarket shelf, animals searching for food amongst piles of leaves, trying to find your friend in a large crowd of people and playing visual search tasks such as Where's Wally? Many visual search paradigms have used eye movements as a means to measure the degree of attention given to stimuli. However, vast research to date suggests that eye movements move independently of attention and therefore is not a reliable method to examine the role of attention. Much of the previous literature on visual search uses reaction time in order to measure the time taken to detect the target amongst its distractors. An example of this could be a green square (target) amongst a set of red circles (distractors).
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