The Cognitive and Neural Components of Face Processing
人脸处理的认知和神经组成部分
基本信息
- 批准号:6741253
- 负责人:
- 金额:$ 4.3万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-01-01 至 2006-12-31
- 项目状态:已结题
- 来源:
- 关键词:behavior testbrain electrical activitybrain mappingclinical researchcognitionevoked potentialsface expressionfunctional magnetic resonance imaginghuman subjectmagnetoencephalographyneural information processingpostdoctoral investigatorpsychophysiologytranscranial magnetic stimulationvisual cortexvisual perceptionvisual stimulus
项目摘要
DESCRIPTION (provided by applicant): Face recognition is one of the most important visual tasks that we conduct, a fact that is evident from the devastating effect on people's lives that occurs when this ability is lost in the neurological syndrome of "prosopagnosia." The long-term goal of this research is to understand the complex neural system we use in perceiving and recognizing faces: what are its main components, where are they located in the brain, and what exactly does each one do? Prior research using functional magnetic resonance imaging (fMRI), event related potentials (ERPs), and megnetoencephalography (MEG) have identified several cortical regions and electromagnetic responses that appear to be specifically involved in face processing. Yet surprisingly little is known about the functions of the face-selective regions of cortex, and the correspondence between these cortical regions and the face-selective responses measured with ERPs and MEG. The specific aims in this research are: 1) to identify the function of each of the three cortical regions associated with face processing by measuring trial-by-trial correlations between fMRI responses and behavioral performance, and 2) to determine the anatomical source of the ERP and MEG correlates of face processing. An understanding of the face processing system will illuminate a major component of the basic neural architecture of human cognition, and will also fill in a crucial part of the functional map of the human brain, needed by neurologists and neurosurgeons.
描述(由申请人提供):面部识别是我们进行的最重要的视觉任务之一,这一事实从当这种能力在“面容失认症”的神经综合征中丧失时对人们生活的破坏性影响中显而易见。“这项研究的长期目标是了解我们在感知和识别面部时使用的复杂神经系统:它的主要组成部分是什么,它们在大脑中的位置,以及每个人到底做什么?”先前的研究使用功能性磁共振成像(fMRI),事件相关电位(ERP)和脑磁图(MEG)已经确定了几个皮质区域和电磁反应,似乎是专门参与面部处理。然而,令人惊讶的是,人们对大脑皮层面孔选择性区域的功能以及这些区域与ERPs和MEG测量的面孔选择性反应之间的对应关系知之甚少。本研究的具体目的是:1)通过测量fMRI反应与行为表现之间的一次又一次的相关性来确定与面孔加工相关的三个皮层区域中的每一个的功能; 2)确定面孔加工的ERP和MEG相关性的解剖学来源。对人脸处理系统的理解将阐明人类认知的基本神经结构的一个主要组成部分,也将填补神经学家和神经外科医生所需的人脑功能图的一个关键部分。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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MICHAEL C MANGINI其他文献
MICHAEL C MANGINI的其他文献
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{{ truncateString('MICHAEL C MANGINI', 18)}}的其他基金
The Cognitive and Neural Components of Face Processing
人脸处理的认知和神经组成部分
- 批准号:
7029657 - 财政年份:2004
- 资助金额:
$ 4.3万 - 项目类别:
The Cognitive and Neural Components of Face Processing
人脸处理的认知和神经组成部分
- 批准号:
6878539 - 财政年份:2004
- 资助金额:
$ 4.3万 - 项目类别:
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