Table 2.

Statistical moments of polarimetric parameters across sample age. Ages in days. Samples are brain slides without paraffin and illuminated by a red laser source at 632 nm.

	75	100	125	150	175	200	225
R
Mean	0.665	0.627	0.650	0.624	0.636	0.665	0.618
Std	0.019	0.012	0.007	0.006	0.003	0.003	0.002
Skew	−1.018	0.695	−0.771	1.078	1.103	0.726	0.928
Kurt	3.509	1.620	2.671	2.970	2.292	2.203	3.160
P
Mean	0.252	0.229	0.250	0.230	0.242	0.258	0.219
Std	0.015	0.017	0.005	0.005	0.003	0.001	0.003
Skew	−1.415	0.658	−0.650	0.176	1.052	−0.092	0.734
Kurt	3.437	1.513	3.094	1.988	2.242	1.686	2.477
D
Mean	0.109	0.166	0.113	0.141	0.129	0.107	0.165
Std	0.031	0.032	0.008	0.007	0.001	0.003	0.018
Skew	1.591	−0.676	1.164	−1.173	0.002	−0.708	0.275
Kurt	4.367	1.505	3.073	3.082	1.098	2.162	1.616
Depol.
Mean	0.505	0.436	0.474	0.438	0.451	0.498	0.430
Std	0.048	0.018	0.011	0.006	0.004	0.003	0.004
Skew	0.699	0.728	−1.432	1.397	1.096	−0.622	0.497