Table 2.

fNIRS channels with significant HbX (HbO₂ ≠ HbR), Phase (Early ≠ Late), or HbX × Phase interactions that did not also interact with set size or age.

Omnibus ANOVA			Tests of Simple Effects (HbX × Phase)
Channel	Effect	F(dfeffect, dferror)	Early:HbO2>HbR	HbO2:Early>Late	HbR:Late>Early
P3-1	HbX	F(1,25) = 6.00*
P3-2	HbX	F(1,25) = 4.99*
P3-3	HbX	F(1,25) = 7.70**
P4-1	HbX	F(1,18) = 7.34*
P4-2	HbX	F(1,18) = 20.51***
P4-3	HbX	F(1,18) = 14.98***
P5-1	Phase	F(1,22) = 5.22*
	HbX × Phase	F(1,22) = 11.54**	F(1,22) = 1.93	F(1,22) = 11.1**	F(1,22) = 0.95
P5-2	Phase	F(1,22) = 6.78*
	HbX × Phase	F(1,22) = 25.14***	F(1,22) = 4.77*	F(1,22) = 16.4***	F(1,22) = 6.61*
P5-3	HbX × Phase	F(1,22) = 14.51***	F(1,22) = 15.1***	F(1,22) = 9.02**	F(1,22) = 1.93
P6-1	HbX	F(1,27) = 7.35*
P6-2	HbX	F(1,27) = 7.97**
	HbX × Phase	F(1,27) = 5.85*	F(1,27) = 11.3**	F(1,27) = 0.08	F(1,27) = 0.10
F3-2	HbX × Phase	F(1,23) = 8.88**	F(1,23) = 0.12	F(1,23) = 2.16	F(1,23) = 5.92*
F3-3	HbX × Phase	F(1,23) = 6.43*	F(1,23) = 2.46	F(1,23) = 0.86	F(1,23) = 4.86*
F5-2	HbX × Phase	F(1,25) = 6.42*	F(1,25) = 0.74	F(1,25) = 5.33*	F(1,25) = 3.53

^*p < .05;

^**p < .01;

^***p < .001