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

Hopman, Rachel J.; LoTemplio, Sara B.; Scott, Emily E.; McKinney, Ty L.; Strayer, David L.

doi:10.1186/s41235-020-00247-0

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

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
* p < 0.05. ** p < 0.01

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