Face Perception: Mapping Psychological Spaces to Neural Responses

面部感知:将心理空间映射到神经反应

基本信息

  • 批准号:
    0920865
  • 负责人:
  • 金额:
    $ 40万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-10-01 至 2013-09-30
  • 项目状态:
    已结题

项目摘要

The ability to recognize faces is essential for navigating our social world. The human visual system can effortlessly categorize, identify, and remember thousands of faces over a lifetime. Research using functional magnetic resonance imaging (fMRI) has identified several regions in the human visual cortex that specifically and selectively respond to faces, but key questions remain with respect to the neural mechanisms underlying face recognition. For example, it is unclear whether face-selective regions are equally responsive to all human faces, or how perceptual measures of similarity correlate with neural measures of similarity between faces. With support from the National Science Foundation, the investigator will use recent methodological innovations that enable high-resolution fMRI, combined with innovative psychophysical methods and computational models to study the neural basis of within-category representation of faces. The project will identify the fundamental properties that drive responses in face-selective regions, determine whether these responses are tuned to the distribution of faces experienced by individuals over their lifetime, and determine whether measures of similarity of neural responses are tightly related to measures of perceptual or physical similarity among faces. Overall, this research will provide significant advancement in the understanding of how neural responses support our ability to identify individual faces. The research will have significant implications beyond providing support for a particular computational theory of face representation. It would provide a useful tool for comparing the representations of any other visual category, for example, comparing between neural responses to faces and to objects, which is an issue of central debate. The understanding of neural correlates of normal face identification also provides an important baseline for understanding impairments in face identification as manifested in cogenital prosopagnosia, Asperger's Syndrome and Autism, and as such has broad health and societal implications. This project also aims to advance neuroimaging methods by further developing high-resolution fMRI techniques and by examining whether different experimental designs and analyses for high-resolution imaging show convergent results. Finally, this research will provide training opportunities for students at the undergraduate, graduate, and post-doctoral levels.
识别人脸的能力对于我们的社交世界至关重要。人类的视觉系统可以毫不费力地分类,识别和记住成千上万的面孔。使用功能性磁共振成像(fMRI)的研究已经确定了人类视觉皮层中的几个区域,这些区域特异性地和选择性地对面部做出反应,但关于面部识别的神经机制仍然存在关键问题。例如,目前还不清楚面部选择性区域是否对所有人脸都有同样的反应,或者相似性的感知测量与面部之间相似性的神经测量如何相关。在美国国家科学基金会的支持下,研究人员将使用最新的方法创新,使高分辨率fMRI,结合创新的心理物理方法和计算模型,研究面部类别内表征的神经基础。该项目将确定驱动面部选择性区域反应的基本特性,确定这些反应是否与个人一生中经历的面部分布相适应,并确定神经反应相似性的测量是否与面部之间的感知或物理相似性的测量密切相关。总的来说,这项研究将为理解神经反应如何支持我们识别个人面孔的能力提供重大进展。这项研究将有重大的影响,超越了提供支持的一个特定的计算理论的脸表示。它将为比较任何其他视觉类别的表征提供一个有用的工具,例如,比较对面部和物体的神经反应,这是一个中心辩论的问题。正常面部识别的神经相关性的理解也提供了一个重要的基线,以了解在面部识别的损害,表现在先天性面容失认症,Barger综合征和自闭症,并因此具有广泛的健康和社会影响。该项目还旨在通过进一步开发高分辨率功能磁共振成像技术,并通过检查不同的实验设计和高分辨率成像分析是否显示收敛的结果来推进神经成像方法。最后,本研究将为本科生、研究生和博士后提供培训机会。

项目成果

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Kalanit Grill-Spector其他文献

White matter connections of human ventral temporal cortex are organized by cytoarchitecture, eccentricity and category-selectivity from birth
人类腹侧颞叶皮层的白质连接从出生起就由细胞结构、偏心率和类别选择性所组织。
  • DOI:
    10.1038/s41562-025-02116-6
  • 发表时间:
    2025-03-17
  • 期刊:
  • 影响因子:
    15.900
  • 作者:
    Emily Kubota;Xiaoqian Yan;Sarah Tung;Bella Fascendini;Christina Tyagi;Sophie Duhameau;Danya Ortiz;Mareike Grotheer;Vaidehi S. Natu;Boris Keil;Kalanit Grill-Spector
  • 通讯作者:
    Kalanit Grill-Spector

Kalanit Grill-Spector的其他文献

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{{ truncateString('Kalanit Grill-Spector', 18)}}的其他基金

Neural Investigations of Face Perception and Attention Using Population Receptive Field Modeling
使用群体感受野模型进行面部感知和注意力的神经研究
  • 批准号:
    1756035
  • 财政年份:
    2018
  • 资助金额:
    $ 40万
  • 项目类别:
    Standard Grant
Neural correlates of maturation of face processing
面部处理成熟的神经相关性
  • 批准号:
    0617688
  • 财政年份:
    2006
  • 资助金额:
    $ 40万
  • 项目类别:
    Standard Grant
The neural basis of visual priming
视觉启动的神经基础
  • 批准号:
    0345920
  • 财政年份:
    2004
  • 资助金额:
    $ 40万
  • 项目类别:
    Continuing Grant

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