Table 1. Light condition effects during the performance of the task.

Brain areas	xyz	Z	p
Blue light>violet light
Left middle frontal gyrus	−44 42 30	3.45	0.020
Left thalamus	−18 −24 10	3.32	0.028
Left brainstem	−6 −38 −20	3.22	0.035
Right brainstem	6 −30 −16	3.17	0.040

Coordinates (xyz) in the standard MNI space. No other significant light condition effects were found during the performance of the task.