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Cognitive Research: Principles and Implications

Table 3 Regression coefficients for session comparisons regressed onto electrode sites for power collected during eyes-closed rest

From: Resting-state posterior alpha power changes with prolonged exposure in a natural environment

  Estimate (β) 95% CI df t p
Posterior alpha power
 (Intercept) 7.05 5.45 8.66 26.82 8.76 < 0.001**
 Nature vs urban −1.82 −2.85 − 0.80 47.27 −3.51 0.001*
 (Intercept) 7.13 5.52 8.75 26.73 8.81 < 0.001**
 Pretrip vs post-trip 0.24 −0.65 1.14 46.87 0.54 NS
 (Intercept) 7.08 5.47 8.69 26.79 8.78 < 0.001**
 Pretrip vs trip −1.15 −2.07 −0.24 47.18 −2.50 0.02*
 (Intercept) 7.07 5.47 8.68 26.80 8.77 < 0.001**
 Trip vs post-trip 1.43 0.56 2.32 47.17 3.23 < 0.01*
Midfrontal alpha power
 (Intercept) 4.87 3.64 6.10 26.74 7.87 < 0.001**
 Nature vs urban −0.93 −1.89 0.01 47.39 −1.95 0.06`
 (Intercept) 4.91 3.67 6.15 26.69 7.88 < 0.001**
 Pretrip vs post-trip 0.80 0.07 1.53 46.84 2.16 0.04*
 (Intercept) 4.90 3.67 6.14 26.70 7.90 < 0.001**
 Pretrip vs trip −0.20 −1.03 0.62 47.24 − 0.48 NS
 (Intercept) 4.86 3.63 6.10 26.75 7.84 < 0.001**
 Trip vs post-trip 1.13 0.36 1.89 47.21 2.91 < 0.01*
Posterior theta power
 (Intercept) 3.20 2.08 4.33 26.94 5.66 < 0.001**
 Nature vs urban −1.50 −2.58 −0.43 47.93 −2.77 < 0.01*
 (Intercept) 3.26 2.13 4.40 26.84 5.72 < 0.001**
 Pretrip vs post-trip 0.52 −0.36 1.41 47.12 1.17 NS
 (Intercept) 3.23 2.10 4.37 26.90 5.68 < 0.001**
 Pretrip vs trip −0.77 −1.71 0.17 47.74 −1.61 NS
 (Intercept) 3.20 2.08 4.33 26.92 5.69 < 0.001**
 Trip vs post-trip 1.37 0.48 2.26 47.68 3.03 < 0.01*
Midfrontal theta power
 (Intercept) 4.87 3.98 5.76 27.05 10.90 < 0.001**
 Nature vs urban −0.21 −1.13 0.70 48.20 −0.45 NS
 (Intercept) 4.88 3.99 5.78 27.00 10.88 < 0.001**
 Pretrip vs post-trip 0.74 0.05 1.42 47.26 2.13 0.04*
 (Intercept) 4.89 4.00 5.79 27.00 10.87 < 0.001**
 Pretrip vs trip 0.28 −0.49 1.04 47.87 0.73 NS
 (Intercept) 4.85 3.97 5.74 27.07 10.92 < 0.001**
 Trip vs post-trip 0.57 −0.18 1.33 47.94 1.49 NS
  1. Note: Individual eyes-closed linear mixed model comparisons of log transformed power for both frontal and posterior regions-of-interest in alpha power and power within 4–8 Hz
  2. * p < 0.05. ** p < 0.01
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