Abstract
Based on the neuroimaging data from a large set of acquired brain injury patients, we investigate the feasibility of using machine learning for automatic prediction of individual consciousness level. Rather than using the traditional Pearson’s correlation-based brain functional network, which measures only the simple temporal synchronization of the BOLD signals from each pair of brain regions, we construct a high-order brain functional network that is capable of characterizing topographical information-based high-level functional associations among brain regions. In such a high-order brain network, each node represents the community of a brain region, described by a set of this region’s low-order functional associations with other brain regions, and each edge characterizes topographical similarity between a pair of such communities. Experimental results show that the high-order brain functional network enables a significant better classification for consciousness level and recovery outcome prediction.
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Acknowledgements
This work is partially supported by National Natural Science Foundation of China (Grant Nos. 61403200), Natural Science Foundation of Jiangsu Province (Grant No. BK20140800), and NIH grants (EB006733, EB008374, EB009634, MH107815, AG041721, and AG042599).
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Jia, X., Zhang, H., Adeli, E., Shen, D. (2017). Consciousness Level and Recovery Outcome Prediction Using High-Order Brain Functional Connectivity Network. In: Wu, G., Laurienti, P., Bonilha, L., Munsell, B. (eds) Connectomics in NeuroImaging. CNI 2017. Lecture Notes in Computer Science(), vol 10511. Springer, Cham. https://doi.org/10.1007/978-3-319-67159-8_3
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DOI: https://doi.org/10.1007/978-3-319-67159-8_3
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