Table 1.

Cell counts for rats treated with modafinil or vehicle at midnight

VehicleModafinil (75 mg/kg)Modafinil (150 mg/kg)Kruskal–Wallis p value
n656
Cingulate cortex52  ± 13156  ± 22191  ± 38*0.008
Accumbens nucleus, core15  ± 424  ± 623  ± 3NS
Accumbens nucleus, shell55  ± 1380  ± 1265  ± 7NS
BSTLD15  ± 353  ± 8*62  ± 4*0.003
CeL15  ± 480  ± 17*103  ± 11*0.004
Striatum4  ± 137  ± 12114  ± 23*0.002
VLPO29  ± 430  ± 519  ± 5NS
SCN40  ± 536  ± 840  ± 5NS
AHA120  ± 17100  ± 12132  ± 11NS
PVH66  ± 1198  ± 44157  ± 41NS
TMN13  ± 758  ± 6*46  ± 4*0.005
Ventral tegmental area8  ± 210  ± 112  ± 3NS
Retro-ventral tegmental area12  ± 244  ± 1192  ± 11*0.004
Dorsal raphe nucleus11  ± 318  ± 318  ± 5NS
Locus coeruleus4  ± 18  ± 221  ± 4*0.006
PBel29  ± 340  ± 1079  ± 18NS
PBcl29  ± 428  ± 1038  ± 7NS
Nucleus of the solitary tract53  ± 1243  ± 592  ± 10NS
PFx
Orexin-IR neurons47  ± 553  ± 457  ± 4NS
Fos-IR neurons21  ± 239  ± 554  ± 7*0.003
Fos-IR, orexin-IR neurons7  ± 223  ± 4*28  ± 2*0.003
Fos-IR, non-orexin-IR neurons14  ± 116  ± 226  ± 7NS
  • Values are means ± SEs.

  • * Statistically significant from vehicle by the use of apost hoc Scheffe test.

  • PBel and PBcl, External lateral and central lateral subnuclei of the parabrachial nucleus; PVH, paraventricular nucleus of the hypothalamus.