. Author manuscript; available in PMC: 2016 Apr 1.

Published in final edited form as: J Comput Neurosci. 2014 Dec 20;38(2):263–283. doi: 10.1007/s10827-014-0541-5

Table 3.

Summary statistics for morphometric data.

	Young	Aged	p
TOTAL ARBOR
Soma Surface Area (µm²)	880 ±80	884 ±120	0.57
Axon Initial Segment Surface Area (µm²)	71.9 ±4.3	74.9 ±6.0	0.68
Axon Initial Segment Volume (µm³)	14.3 ±1.7	15.0 ±2.5	0.81
Dendritic Surface Area (µm²)	20410 ±2421	20057 ±2650	0.92
Dendritic Volume (µm³)	4804 ±872	5141 ±915	0.80
Total Length (µm)	8777 ±549	7576 ±598	0.17
Number of Segments	130 ±10	147 ±16	0.38
Mean Segment Length (µm)	136 ±8	108 ±9	0.04
Spine Count	8169 ±1912	3703 ±459	0.07
Spine Volume (µm³)	1346 ±313	626 ±180	0.07
Spine Surface Area (µm²)	11954 ±2790	5499 ±696	0.07
Spine Density (#/µm)	1.81 ±0.37	0.96 ±0.08	0.07
Total Surface Area (Soma, Dendrites, Spines, µm²)	33160 ±5145	26440 ±3343	0.30
APICAL ARBOR
Surface Area (µm²)	11873 ±1381	10099 ±1469	0.40
Volume (µm³)	2941 ±477	2734 ± 506	0.77
Total Length (µm)	5062 ±394	3771 ±425	0.046
Number of Segments	72 ±6	68 ±5	0.59
Mean Segment Length (µm)	72 ±6	55 ±4	0.04
Spine Count	4835 ±1055	1915 ±288	0.03
Spine Volume (µm³)	656 ±143	260 ±39	0.03
Spine Surface Area (µm²)	6339 ±1383	2510 ±378	0.03
Spine Density (#/µm)	0.94 ±0.16	0.50 ±0.03	0.03
BASAL ARBOR
Surface Area (µm²)	7917 ±992	8905 ±1686	0.63
Volume (µm³)	1758 ±325	2099 ±534	0.60
Total Length (µm)	3405 ±321	3467 ±381	0.91
Number of Segments	55 ±5	76 ±15	0.21
Mean Segment Length (µm)	62 ±2	50 ±7	0.15
Spine Count	3087 ±707	1597 ±257	0.09
Spine Volume (µm³)	657 ±151	340 ±55	0.09
Spine Surface Area (µm²)	5292 ±1213	2738 ±440	0.09
Spine Density (#/µm)	0.89 ±0.18	0.45 ±0.05	0.06