Table 1.
Effects of treadmill running on circadian rhythms in mice grouped by lesion catagory
Group | Period (hr)1-a | Entrained (%) | Period or phase change |
---|---|---|---|
Intact 1 | 23.53 ± 0.05 | 14 /16 | 2 /16 |
Intact 2 | 23.55 ± 0.06 | 8 /9 | 1 /9 |
SCNx | 0 /9 | 0 /11-b | |
IGLx partial | 23.52 ± 0.06 | 2 /7 | 5 /7 |
IGLx complete | 23.72 ± 0.08 | 0 /5 | 0 /5 |
5-HTx partial | 23.70 ± 0.07 | 2 /3 | 1 /3 |
5-HTx complete1-c | 23.61 ± 0.06 | 0 /14 | 12 /14 |
Free-running period measured before the treadmill schedule, except for Intact 2 measured during the first week of the treadmill schedule (see Results for further explanation). No significant differences across groups.
All but one SCN-ablated mouse were arrhythmic before the treadmill schedule.
Includes 10 mice with no 5-HT-IR in the SCN and 4 mice with a few scattered 5-HT fibers.