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. Author manuscript; available in PMC: 2010 Aug 4.
Published in final edited form as: J Comp Neurol. 2004 Oct 25;478(4):395–404. doi: 10.1002/cne.20297

TABLE 3.

Restoration of Descending Projections for 8-Week Recovery Times Following Conditioning Lesions

CL at 30% BL
CL at 50% BL
2–8 Group1 4–8 Group 2–8 Group 4–8 Group
N 8 8 7 8
Body length (mm) 88.5 ± 7.6 87.8 ± 5.4 89.4 ± 13.9 88.8 ± 8.1
Di 9.6 ± 4.92 7.6 ± 4.1 7.1 ± 3.4 5.5 ± 4.6
M cells (M1–M3) 2.4 ± 1.4 3.9 ± 1.4 3.3 ± 1.4 3.4 ± 1.4
MRN 25.6 ± 4.2 28.8 ± 8.5 30.9 ± 4.8 34.3 ± 8.3
I cells (I1–I4) 2.9 ± 0.8 4.3 ± 2.0 2.7 ± 1.1 4.4 ± 2.2
aARRN 38.4 ± 8.1 34.5 ± 5.2 31.9 ± 4.7 30.0 ± 8.5
IARRN 50.3 ± 13.9 48.9 ± 6.6 43.3 ± 6.1 39.5 ± 13.9
mARRN 23.0 ± 8.0 21.8 ± 2.1 20.0 ± 5.7 25.0 ± 5.2
B cells (B1–B5) 4.3 ± 1.3 4.0 ± 1.7 2.3 ± 1.0 4.9 ± 2.3
Mau and AM cells 1.9 ± 1.0 1.6 ± 0.5 1.1 ± 0.7 1.9 ± 0.8
aMRRN 32.3 ± 6.3 27.1 ± 6.3 31.3 ± 7.0 27.9 ± 7.1
pMRRN 53.6 ± 11.4 47.3 ± 7.9 44.1 ± 10.5 52.4 ± 7.1
PRRN 293.6 ± 64.4 244.1 ± 31.3 249.4 ± 43.9 237.1 ± 48.7
ALV 11.4 ± 4.3 12.3 ± 5.9 11.7 ± 2.4 11.9 ± 4.4
DLV 12.8 ± 8.9 9.4 ± 5.7 7.1 ± 3.7 11.3 ± 4.4
PLV 73.5 ± 34.4 58.0 ± 10.6 57.7 ± 31.8 65.6 ± 24.0
PON 1.8 ± 2.0 1.8 ± 2.4 0.4 ± 1.1 1.6 ± 1.5
1

Animal groups (“D-R” groups; see explanation in Materials and Methods, Table 2, and Fig. 1B, C).

2

Mean ± SD for numbers of labeled descending brain neurons on both sides of the brain (these values were not significantly different from controls at 8-week recovery times; see middle column in Table 1; one-way ANOVA).