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. Author manuscript; available in PMC: 2023 Dec 13.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2014 Apr 17;8(2):228–239. doi: 10.1109/TBCAS.2014.2306732

Fig. 5.

Fig. 5.

fMRI signals from four ROIs and their time-varying covariance estimates in the baseline interval (−10 s to 0 s) and the activation interval (0 s to 20 s ). All the fMRI signals and time-varying covariance estimates are averaged across three repetitions and 26 subjects.