Table 1.

Activated brain areas during perceptual switching and tone detection

Brain areaBAPerceptual switchingTone detection
xyzZ scorexyzZ score
Δf; 2 semitones (n = 12)
    Posterior insular cortexL13−4212−44.22−4812−65.52
R134816−44.404610−24.55
    Auditory cortexL41/42−54−2484.31−46−16105.27
R41/4250−2683.7848−1485.87
    Medial geniculate bodyL−16−2404.57−16−2404.67
R16−2604.3814−2405.03
    Supramarginal gyrusL40−54−42324.31−52−42325.50
R4050−40264.5354−44285.09
    CerebellumL−16−60−244.48−22−64−284.78
Δf; 6 semitones (n = 12)
    Posterior insular cortexL13−4010−23.89−448−24.58
R13−4210−44.9946605.42
    Auditory cortexL41/42−52−2243.83−50−1664.09
R41/4248−18104.3948−2084.78
    Medial geniculate bodyL−18−2403.56−16−2204.33
R16−2203.3620−2404.03
    CerebellumL−18−64−304.58−20−68−284.98
  • Coordinates (x, y, z) indicate the voxel of local maxima in each area. BA, Brodmann area; L, left; R, right.