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题名:
Probabilistic Maps of Visual Topography in Human Cortex
作者: Wang Liang(王亮)1,2,3; Mruczek, Ryan E. B.1,2,4; Arcaro, Michael J.1,2; Kastner, Sabine1,2
文章类型: Article
关键词: atlas ; cortical organization ; functional magnetic resonance imaging ; mapping ; topography
刊名: CEREBRAL CORTEX
ISSN号: 1047-3211
出版日期: 2015-10-01
卷号: 25, 期号:10, 页码:3911-3931
收录类别: SCI
英文摘要: The human visual system contains an array of topographically organized regions. Identifying these regions in individual subjects is a powerful approach to group-level statistical analysis, but this is not always feasible. We addressed this limitation by generating probabilistic maps of visual topographic areas in 2 standardized spaces suitable for use with adult human brains. Using standard fMRI paradigms, we identified 25 topographic maps in a large population of individual subjects (N = 53) and transformed them into either a surface- or volume-based standardized space. Here, we provide a quantitative characterization of the inter-subject variability within and across visual regions, including the likelihood that a given point would be classified as a part of any region (full probability map) and the most probable region for any given point (maximum probability map). By evaluating the topographic organization across the whole of visual cortex, we provide new information about the organization of individual visual field maps and large-scale biases in visual field coverage. Finally, we validate each atlas for use with independent subjects. Overall, the probabilistic atlases quantify the variability of topographic representations in human cortex and provide a useful reference for comparing data across studies that can be transformed into these standard spaces.
语种: 英语
WOS记录号: WOS:000366454000051
DOI标识: 10.1093/cercor/bhu277
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Neurosciences
研究领域[WOS]: Neurosciences & Neurology
关键词[WOS]: VENTRAL OCCIPITAL CORTEX ; HUMAN CEREBRAL-CORTEX ; POSTERIOR PARIETAL CORTEX ; SURFACE-BASED ANALYSIS ; RETINOTOPIC ORGANIZATION ; CORTICAL SURFACE ; FUNCTIONAL CONNECTIVITY ; COORDINATE SYSTEM ; FIELD MAPS ; SPATIAL ATTENTION
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内容类型: 期刊论文
URI标识: http://ir.psych.ac.cn/handle/311026/15423
Appears in Collections:中国科学院心理健康重点实验室_期刊论文

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作者单位: 1.Princeton Univ, Princeton Neurosci Inst, Princeton, NJ 08544 USA
2.Princeton Univ, Dept Psychol, Princeton, NJ 08544 USA
3.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
4.Swarthmore Coll, Dept Psychol, Swarthmore, PA 19081 USA

Recommended Citation:
Wang, Liang,Mruczek, Ryan E. B.,Arcaro, Michael J.,et al. Probabilistic Maps of Visual Topography in Human Cortex[J]. CEREBRAL CORTEX,2015,25(10):3911-3931.
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