Table 3.

Effects of temperament and age on frontal asymmetry

Full Model
	Estimate	SE	p-val
Intercept	−0.028	0.009	0.004
Elec1	−0.049	0.011	<0.001
Eye 2	0.018	0.011	0.10
Elec*Eye	0.004	0.022	0.86
Age	0.004	0.005	0.43
Age*Elec	0.013	0.006	0.04
Age*Eye	−0.004	0.006	0.52
Age*Elec*Eye	−0.007	0.012	0.55
PE	−0.008	0.006	0.17
NE	−0.008	0.037	0.83
PE*NE	−0.029	0.024	0.23
Age*PE	0.008	0.003	0.01
Age*NE	−0.018	0.019	0.33
Age*PE*NE	0.013	0.013	0.32
Elec*PE	−0.003	0.007	0.62
Elec*NE	−0.038	0.044	0.38
Elec*PE*NE	0.02	0.029	0.49
Eye*PE	0.002	0.007	0.74
Eye*NE	−0.004	0.044	0.92
Eye*PE*NE	0.016	0.029	0.58
Elec*Eye*PE	−0.005	0.014	0.69
Elec*Eye*NE	−0.002	0.087	0.98
Elec*Eye*PE*NE	−0.014	0.057	0.81
Age*Elec*PE	0.003	0.004	0.41
Age*Elec*NE	0.07	0.024	0.003
Age*Elec*PE*NE	−0.073	0.016	<0.001
Age*Eye*PE	<0.001	0.004	0.93
Age*Eye*NE	0.02	0.024	0.41
Age*Eye*PE*NE	−0.006	0.016	0.69
Age*Elec*Eye*PE	0.005	0.008	0.49
Age*Elec*Eye*NE	−0.004	0.048	0.93
Age*Elec*Eye*PE*NE	0.019	0.032	0.55

¹Elec refers to a dichotomous variable coded to designate between the F3-4 and. F7-8 electrode pairs.

²refers to whether the activity was measured when eyes were open or closed, which was alternated in one minute blocks for all subjects.