Table I.

Summary of results of Homan et al. [1987]

Optode position	Brodmann location	Cortical location
F3/4	46	Middle frontal gyrus, near superior frontal sulcus; rostro‐caudal location.
F7/8	45/46	Inferior frontal gyrus rostral portion of pars triangularis.
FC3/4	6/8/9	Posterior part of the middle frontal gyrus.
C3/4	4	Precentral gyrus, shoulder to wrist area, caudal to middle frontal gyrus.
P3/4	7	Superior parietal lobule near intraparietal sulcus, superior to posterior portion of supramarginal gyrus.
O1/2	17	Occipital lobe, lateral and superior to occipital pole, overlapping calcarine fissure.