| LDLD | light:dark:light:dark |
| SCN | suprachiasmatic nuclei |
| T12 | 12 h cycle length |
| BSI | Bifurcation symmetry index |
| EQ | Entrainment quotient |
| LDim | Light:dim |
| DimDim | Constant dim light |
| PRC | Phase response curve |
| FRP | Free-running period |
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