The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.
Functional segmentation of the brain cortex using high model order group PICA
Open accessAbstract
Baseline activity of resting state brain networks (RSN) in a resting subject has become one of the fastest growing research topics in neuroimaging. It has been shown that up to 12 RSNs can be differentiated using an independent component analysis (ICA) of the blood oxygen level dependent (BOLD) resting state data. In this study, we investigate how many RSN signal sources can be separated from the entire brain cortex using high dimension ICA analysis from a group dataset. Group data from 55 subjects was analyzed using temporal concatenation and a probabilistic independent component analysis algorithm. ICA repeatability testing verified that 60 of the 70 computed components were robustly detectable. Forty‐two independent signal sources were identifiable as RSN, and 28 were related to artifacts or other noninterest sources (non‐RSN). The depicted RSNs bore a closer match to functional neuroanatomy than the previously reported RSN components. The non‐RSN sources have significantly lower temporal intersource connectivity than the RSN (P < 0.0003). We conclude that the high model order ICA of the group BOLD data enables functional segmentation of the brain cortex. The method enables new approaches to causality and connectivity analysis with more specific anatomical details. Hum Brain Mapp, 2009. © 2009 Wiley‐Liss, Inc.
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Tracking whole-brain connectivity dynamics in the resting state
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Network modelling methods for FMRI
Smith, S. M., Miller, K. L., Salimi-Khorshidi, G., Webster, M., Beckmann, C. F., Nichols, T. E., Ramsey, J. D., & Woolrich, M. W. (2011) · NeuroImage · doi:10.1016/j.neuroimage.2010.08.063 · Cited by 1,878
A Baseline for the Multivariate Comparison of Resting-State Networks
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Metadata
- Authors
- Kiviniemi, V., Starck, T., Remes, J., Long, X., Nikkinen, J., Haapea, M., Veijola, J., Moilanen, I., Isohanni, M., Zang, Y., & Tervonen, O.
- Venue
- Human Brain Mapping
- Publisher
- Wiley
- Published
- 2009-11-17
- Volume
- 30
- Issue
- 12
- Pages
- 3865-3886
- ISSN
- 1065-9471 (ISSN-L)
- 1097-0193
- OpenAlex
- W2057138653
- Cited by
- 373
- References
- 20
- FWCI
- 12.64
- Type
- journal article
- Language
- en
- Open access
- green
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- Kiviniemi, V., Starck, T., Remes, J., Long, X., Nikkinen, J., Haapea, M., Veijola, J., Moilanen, I., Isohanni, M., Zang, Y., & Tervonen, O. (2009). Functional segmentation of the brain cortex using high model order group PICA. Human Brain Mapping. https://doi.org/10.1002/hbm.20813
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