CAREER: Understanding the Relationship of Covert and Overt Attention Using Concurrent EEG and Eye Tracking
职业:使用并发脑电图和眼动追踪了解隐性注意力和显性注意力的关系
基本信息
- 批准号:2045624
- 负责人:
- 金额:$ 70.88万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-08-01 至 2023-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In humans, visual search is crucial for everyday goal-directed behavior. Whether scanning the road for hazards while driving or looking for a can of soup in a grocery store, people constantly search through complex visual environments to locate objects of interest. Despite its importance, many basic questions about the brain processes involved in visual search remain unanswered. One such question is how eye movements are controlled by the brain during visual search. Humans generate rapid, ballistic eye movements called saccades which are used to focus attention on important objects. These eye movements occur about 2-3 times per second and are generated approximately 100,000 times per day. However, scientists are only beginning to understand how these saccadic eye movements are controlled by different brain areas. The current project aims to bridge this gap in knowledge by developing a new technique to simultaneously measure eye movements (via infrared eye tracking) and neural activity (via electroencephalography; EEG). Combining these two types of data will allow us to directly examine attentional processes in the brain that occur just before eye movements are generated. This project will lead to a better understanding of the basic neuroscience underlying eye movements. The knowledge gained from this project will also help provide key insights about visual search in applied settings such as radiological screening, transportation baggage security, and motor vehicle traffic control.This project will explore how the brain controls eye movements to search through complex images. Prior research has identified two mechanisms of visual attention in humans. First, saccadic eye movements are used to rapidly fixate objects of interest. These ballistic eye movements occur many times per second and can be directly monitored using infrared eye-tracking cameras. Second, humans can also covertly attend objects without moving the eyes. That is, people can monitor an object “out of the corner of their eye” without directly looking at the object. Interestingly, previous research has developed techniques to directly measure covert attention using EEG to noninvasively monitor neural activity from visual cortex in the brain. However, a major shortcoming of this past research is that it used search tasks that prohibited eye movements because they result in noisy voltage fluctuations that make EEG waveforms impossible to interpret. As a result, little is known about how the brain uses covert attention to coordinate eye movements during everyday visual search. The current project aims to resolve this by developing a new technique to measure brain activity that occurs just before eye movement are generated. The PI will measure shifts of covert attention (via EEG) and eye movements (via infrared eye tracking) concurrently. During analysis, the PI will then examine the EEG waveform during the period of time prior to the eye movement for markers of covert attentional selection. Specifically, the PI will assess whether the N2pc component—a gold-standard EEG measurement of attentional orienting—occurs just before eye movements are generated to a visual stimulus. Additionally, this project will involve a virtual workshop to train promising young researchers approaches computer programming in cognitive neuroscience. The ultimate goals of this project are to understand how covert attentional systems in the brain are used to guide eye movements during visual search and to develop better cognitive neuroscience models of visual attention in humans.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在人类中,视觉搜索对于日常目标导向行为至关重要。 无论是在开车时扫描道路上的危险,还是在杂货店里寻找一罐汤,人们总是在复杂的视觉环境中搜索,以找到感兴趣的对象。 尽管视觉搜索很重要,但有关视觉搜索所涉及的大脑过程的许多基本问题仍然没有答案。 其中一个问题是,在视觉搜索过程中,大脑是如何控制眼球运动的。 人类产生快速的、弹道式的眼球运动,称为扫视,用于将注意力集中在重要物体上。 这些眼球运动每秒发生约2-3次,每天产生约10万次。 然而,科学家们才刚刚开始了解这些扫视眼球运动是如何由不同的大脑区域控制的。 目前的项目旨在通过开发一种新技术来弥合这一知识差距,该技术可以同时测量眼球运动(通过红外眼球跟踪)和神经活动(通过脑电图; EEG)。 结合这两种类型的数据将使我们能够直接检查在眼球运动产生之前发生的大脑中的注意力过程。 这个项目将导致更好地了解基本的神经科学基础的眼球运动。 从这个项目中获得的知识也将有助于提供有关视觉搜索在应用环境中的关键见解,如放射性筛选,运输行李安全和机动车交通控制。这个项目将探索大脑如何控制眼球运动,通过复杂的图像搜索。 先前的研究已经确定了人类视觉注意力的两种机制。 首先,扫视眼球运动用于快速注视感兴趣的对象。 这些弹道眼球运动每秒发生多次,可以使用红外眼球跟踪相机直接监测。 其次,人类也可以在不移动眼睛的情况下隐蔽地关注物体。 也就是说,人们可以“从他们的眼角”监视对象,而不直接看对象。 有趣的是,以前的研究已经开发出了使用EEG直接测量内隐注意的技术,以非侵入性地监测大脑视觉皮层的神经活动。 然而,过去这项研究的一个主要缺点是,它使用了禁止眼球运动的搜索任务,因为它们会导致嘈杂的电压波动,使EEG波形无法解释。 因此,人们对大脑如何在日常视觉搜索中使用内隐注意来协调眼球运动知之甚少。 目前的项目旨在通过开发一种新技术来解决这个问题,该技术可以测量在眼球运动产生之前发生的大脑活动。 PI将同时测量内隐注意力(通过EEG)和眼球运动(通过红外眼球跟踪)的变化。 在分析过程中,PI将检查在眼球运动之前的一段时间内的EEG波形,以寻找内隐注意力选择的标记。 具体来说,PI将评估N2 pc组件-注意力定向的金标准EEG测量-是否发生在眼睛运动产生视觉刺激之前。 此外,该项目将涉及一个虚拟研讨会,以培训有前途的年轻研究人员在认知神经科学中的计算机编程方法。 该项目的最终目标是了解大脑中的内隐注意系统如何在视觉搜索过程中引导眼球运动,并开发更好的人类视觉注意的认知神经科学模型。该奖项反映了NSF的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(9)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Covert attention is attracted to prior target locations: Evidence from the probe paradigm
隐蔽注意力被吸引到先前的目标位置:来自探测范式的证据
- DOI:10.3758/s13414-022-02462-x
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Talcott, Travis N.;Levy, Alyssa P.;Gaspelin, Nicholas
- 通讯作者:Gaspelin, Nicholas
Attentional suppression of highly salient color singletons.
注意抑制高度显着的颜色单例。
- DOI:10.1037/xhp0000948
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Stilwell, Brad T.;Gaspelin, Nicholas
- 通讯作者:Gaspelin, Nicholas
Electrophysiological Evidence for the Suppression of Highly Salient Distractors
抑制高度显着干扰因素的电生理学证据
- DOI:10.1162/jocn_a_01827
- 发表时间:2022
- 期刊:
- 影响因子:3.2
- 作者:Stilwell, Brad T.;Egeth, Howard;Gaspelin, Nicholas
- 通讯作者:Gaspelin, Nicholas
Oculomotor suppression of abrupt onsets versus color singletons
- DOI:10.3758/s13414-022-02524-0
- 发表时间:2022-06-14
- 期刊:
- 影响因子:1.7
- 作者:Adams, Owen J.;Ruthruff, Eric;Gaspelin, Nicholas
- 通讯作者:Gaspelin, Nicholas
Eye movements are not mandatorily preceded by the N2pc component
N2pc 成分并不强制出现在眼球运动之前
- DOI:10.1111/psyp.13821
- 发表时间:2021
- 期刊:
- 影响因子:3.7
- 作者:Talcott, Travis N.;Gaspelin, Nicholas
- 通讯作者:Gaspelin, Nicholas
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Nicholas Gaspelin其他文献
Perceptual load and the capture of spatial attention by color singletons
感知负荷和颜色单例对空间注意力的捕获
- DOI:
- 发表时间:
2010 - 期刊:
- 影响因子:0
- 作者:
Nicholas Gaspelin - 通讯作者:
Nicholas Gaspelin
Correction to: Covert Attention is attracted to Prior Target Locations: Evidence From the Probe Paradigm
更正:隐蔽注意力被先前目标位置吸引:来自探测范式的证据
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
Travis N. Talcott;Alyssa P. Levy;Nicholas Gaspelin - 通讯作者:
Nicholas Gaspelin
Terms of debate: Consensus definitions to guide the scientific discourse on visual distraction
- DOI:
10.3758/s13414-023-02820-3 - 发表时间:
2024-01-04 - 期刊:
- 影响因子:1.700
- 作者:
Heinrich R. Liesefeld;Dominique Lamy;Nicholas Gaspelin;Joy J. Geng;Dirk Kerzel;Jeffrey D. Schall;Harriet A. Allen;Brian A. Anderson;Sage Boettcher;Niko A. Busch;Nancy B. Carlisle;Hans Colonius;Dejan Draschkow;Howard Egeth;Andrew B. Leber;Hermann J. Müller;Jan Philipp Röer;Anna Schubö;Heleen A. Slagter;Jan Theeuwes;Jeremy Wolfe - 通讯作者:
Jeremy Wolfe
Is covert attention necessary for programming accurate saccades? Evidence from saccade-locked event-related potentials.
进行准确的眼跳编程是否需要隐蔽注意力?
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Travis N. Talcott;J. Kiat;S. Luck;Nicholas Gaspelin - 通讯作者:
Nicholas Gaspelin
Can capture by abrupt onsets be suppressed?
突然发作的捕获可以被抑制吗?
- DOI:
10.1080/13506285.2019.1604593 - 发表时间:
2019 - 期刊:
- 影响因子:2
- 作者:
E. Ruthruff;Derek Kuit;J. Maxwell;Nicholas Gaspelin - 通讯作者:
Nicholas Gaspelin
Nicholas Gaspelin的其他文献
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{{ truncateString('Nicholas Gaspelin', 18)}}的其他基金
CAREER: Understanding the Relationship of Covert and Overt Attention Using Concurrent EEG and Eye Tracking
职业:使用并发脑电图和眼动追踪了解隐性注意力和显性注意力的关系
- 批准号:
2345898 - 财政年份:2023
- 资助金额:
$ 70.88万 - 项目类别:
Continuing Grant
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