Table 3:

Results of linear mixed effects analysis testing the fixed effects of training oscillatory power, hemisphere, and sex on change in LC MRI contrast in younger adults.

Predictor	Estimate	SE	95% CI	t	p
Intercept	0.080	0.039	0.004, 0.156	2.050	0.044
Training power	−0.012	0.006	−0.024, −0.001	−2.142	0.036
Hemisphere	0.041	0.049	−0.055, 0.137	0.838	0.405
Sex	−0.157	0.078	−0.309, −0.004	−2.008	0.048
Training power x Hemisphere	−0.008	0.007	−0.022, 0.006	−1.132	0.261
Training power x Sex	0.023	0.012	0, 0.046	1.993	0.050
Hemisphere x Sex	−0.027	0.098	−0.218, 0.165	−0.273	0.785
Training power x Hemisphere x Sex	0.003	0.015	−0.025, 0.032	0.215	0.830

Note. Models included random intercepts for participants. Factors were coded as: hemisphere (left = 0.5, right = −0.5), sex (female = 0.5, male = −0.5).