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Proportion of explained variance in illuminance tasks in % (means ± standard deviations)
| Both LTI systems (both fitted with gamma probability density function) | Steady-state input | Only 1st LTI system | Only 2nd LTI system | Both LTI systems (1st fitted with Gaussian smoothed bi-exponential function) | |
| Continuous illuminance task (5 s) | 60.8 ± 13.6 | 47.4 ± 11.6 | 53.4 ± 14.0 | 7.9 ± 3.7 | 60.5 ± 13.5 |
| Illuminance flashes task (200 ms) | 23.5 ± 9.6 | 0.2 ± 0.1 | 3.3 ± 2.2 | 12.2± 7.5 | - |
