Table 2.

Internal consistency of Aperiodic Slope Exponents

Condition and Amount Available Data	Mean r across bootstrap runs	SD r across bootstrap runs	N†
Eyes closed - 32 - 1 minute available data	0.97	0.08	167
Eyes closed - 32 - 2 minute available data	0.98	0.09	159
Eyes closed - 32 - 3 minute available data	0.98	0.09	139
Eyes closed - 64 - 1 minute available data	0.97	0.10	95
Eyes closed - 64 - 2 minute available data	0.98	0.10	93
Eyes closed - 64 - 3 minute available data	0.99	0.12	79
Eyes open - 32 - 1 minute available data	0.97	0.08	166
Eyes open - 32 - 1 minute available data	0.99	0.07	162
Eyes open - 32 - 1 minute available data	0.99	0.08	143
Eyes open - 64 - 1 minute available data	0.98	0.09	95
Eyes open - 64 - 2 minute available data	0.99	0.09	92
Eyes open - 64 - 3 minute available data	0.99	0.09	82
Infant resting baseline - 15 seconds available data	0.82	0.18	42
Infant resting baseline - 30 seconds available data	0.84	0.22	30
Infant resting baseline - 1 minute data available	0.84	0.30	21
Infant resting baseline - 2 minutes data available	0.87	0.47	7

Note:

^†Number of channels varied between subjects for the adolescent sample (no children had both 32- and 64-channel recordings). Total N for each amount of available data can be obtained by adding Ns for the 32- and 64-channel conditions.