TABLE 1:

LD parameters and estimates for average LD speed.

Parameter	Mouse number			Mean ± SD
	1	2	3
1) Program
Number of cells	27	27	30
Number of measurements	2568	1448	606
Average short-term speed (+/−) (μm/min)	1.62 ± 1.42	2.62 ± 1.89	3.15 ± 2.55	2.46 ± 0.77
2) Manually tracked LDs
(a) Total
Number of cells	27	18	25
Number of LDs	103	95	102
LD diameter (μm)	1.95 ± 1.24	1.53 ± 0.76	2.18 ± 1.59	1.89 ± 0.33
Average forward speed (μm/min)	0.63 ± 0.71	0.82 ± 0.84	0.72 ± 0.82	0.72 ± 0.09
Directed motion (%)	50.48	47.37	54.9	50.92 ± 3.78
Average D (μm2/s)	0.062	0.104	0.089	0.085 ± 0.021
(b) Unimpeded LDs
Number of cells	27	18	25
Number of LDs	58	57	73
LD diameter (μm)	1.36 ± 0.37	1.21 ± 0.35	1.59 ± 0.32	1.39 ± 0.19
Average unimpeded forward speed (μm/min)	1.24 ± 0.93	2.04 ± 2.11	1.37 ± 1.12	1.55 ± 0.43
Directed motion (%)	81.03	75.43	68.49	74.98 ± 6.28
Average unimpeded D (μm2/s)	0.076	0.135	0.102	0.104 ± 0.029

Data in the far right column are calculated from the individual means for mice 1, 2, and 3.