Table 3.

Significant differences between sessions recorded after 25 h (MSD) and 14 h (ESD) of wakefulness in brain activity related to the 3-back task in PER34/4 and PER35/5 genotypes

Brain areasSideX, Y, ZBrodmann's areaZpcorrected value
Increase in brain activity in PER34/4 (MSD > ESD)
    Thalamus (a)L−6, −12, 83.100.039
    Parahippocampus (b)L−24, −42, −103.130.036
    Cerebellum (c)L−30, −76, −263.260.026
Decrease in brain activity in PER34/4 (MSD < ESD)
    No significant voxels (p uncorrected < 0.001)
Increase in brain activity in PER35/5 (MSD > ESD)
    No significant voxels (p uncorrected <0.001)
Decrease in brain activity in PER35/5 (MSD < ESD)
    Inferior frontal gyrus (d)L−54, 32, 12464.750.038
    Inferior frontal gyrus/middle frontal gyrus (e)R46, 32, 4464.670.05
R44, 32, 14463.930.003
R40, 18, 2244/453.920.004
    Superior frontal sulcusL−22, 54, 0103.600.010
    Superior parietal cortex (f,g)L−24, −54, 6273.870.004
L−26, −64, 5673.800.005
R24, −52, 6073.480.018
R14, −54, 6673.330.022
    Postcentral gyrus/anterior intraparietal sulcus (h,i)R42, −32, 40404.080.002
L−38, −24, 42403.390.018
    Superior temporal sulcus (j,k)L−52, 12, −26214.850.026
L−52, −48, 821/224.65< 0.001
R52, −36, −8214.020.003
    Middle occipital gyrus (l,m)R30, −86, −4194.420.002
R32, −84, 10193.630.009
L−38, −72, −219/374.360.001
L−24, −86, −4184.120.001
L−22, −76, 18193.470.015
    Fusiform gyrusR42, −58, −1819/374.070.002
R28, −66, −12193.670.008
    Cingulate cortex (n)L−10, −18, 3624/313.870.004
R16, 46, 10323.430.016
    Insula (o)L−38 −10 123.730.007
    Putamen (p)L−22, 2, 23.500.013
    Globus pallidusR20, 0, 03.350.020
  • Letters in parentheses (a–v): Reference to Figure 4. L, Left; R, right.

  • Significant interaction between session and genotype: [(MSD > ESD) * (PER34/4 > PER35/5 )].