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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Neuroimage. 2011 Mar 6;56(3):1362–1371. doi: 10.1016/j.neuroimage.2011.03.001

Table 1.

Cross-comparison of the different algorithms. P-values for the two-tailed paired t-tests accross all subjects, all channels and all intances are shown. For the R2 coefficients, the tests were performed on the Fisher transformed values

10 trials
 30 trials
 60 trials
KF SE AF KF SE AF KF SE AF
R2 HbO
SE 6e-02 - - 3e-03 - - 2e-07 - -
AF 2e-07 6e-06 - 1e-03 5e-01 - 4e-04 2e-03 -
GLM 3e-15 2e-13 4e-07 8e-16 2e-12 4e-13 6e-15 1e-10 5e-14
R2 HbR
SE 5e-05 - - 2e-09 - - 1e-08 - -
AF 2e-07 2e-03 - 3e-05 5e-03 - 4e-02 6e-10 -
GLM 5e-04 2e-01 4e-01 7e-04 3e-01 4e-02 1e-04 6e-01 7e-04
MSE HbO
SE 4e-06 - - 3e-05 - - 4e-06 - -
AF 2e-05 7e-03 - 1e-06 7e-01 - 2e-05 6e-02 -
GLM 2e-12 2e-09 5e-05 1e-13 7e-11 1e-11 4e-10 3e-08 2e-09
MSE HbR
SE 2e-05 - - 4e-05 - - 1e-04 - -
AF 3e-05 2e-01 - 2e-04 4e-03 - 7e-03 7e-05 -
GLM 6e-08 3e-02 1e-02 3e-07 9e-01 9e-02 4e-06 1e+00 5e-04

Bold face indicates significant difference at the p < 0.05 level. KF: Kalman filter estimator, SE: Static estimator, AF: Adaptive filter, GLM: Standard GLM with 3rd order drift.