Table 2.

Immunoreactive FOS nuclei in cells of several regions in the circadian rhythm system

TreatmentSCNIGLDRMR
CON815  ± 23688  ± 42236  ± 8285  ± 28
Light2767  ± 228374  ± 44402  ± 51168  ± 33
ES1533  ± 262269  ± 78467  ± 76305  ± 93
Light + ES3628  ± 150495  ± 58806  ± 192363  ± 37
  • CON, No light, no electrical stimulation; ES, electrical stimulation; DR, dorsal raphe nucleus; IGL, intergeniculate leaflet; MR, median raphe nucleus; SCN, suprachiasmatic nucleus.

  • Mean (±SE) counts/mm2 tissue.