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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Neurobiol Aging. 2009 Sep 24;32(8):1514–1527. doi: 10.1016/j.neurobiolaging.2009.07.017

Table 4.

Numbers of W, NR and REM bouts following Hcrt-2 infusion.

Parameter Group Time Period Dose of Hcrt-2 (μg)

0 10 30

Number of W bouts
Young Hrs 1–6 120.49±8.60 95.68±8.58 140.55±15.36
Hrs 7–12 178.0 ±12.20 148.0±8.83 173.33±9.45
Old Hrs 1–6 120.50±10.60 110.87±3.68 119.67±6.19
Hrs 7–12 156.36±4.91 154.78±9.79 141.75±6.28
Number of NR bouts
Young Hrs 1–6 120.74±8.60 93.66±8.56 140.21±15.36
Hrs 7–12 179.0±12.35 148.25±8.62 173.67±9.93
Old Hrs 1–6 119.24±10.47 110.37±3.5 118.64±6.11
Hrs 7–12 153.0±4.33 153.9±10.03 140.75±6.10
Number of REM bouts
Young Hrs 1–6 17.28±3.83 12.76±0.70 3.02±0.50*+
Hrs 7–12 18.75±1.89 25.0±4.02 24.67±2.75
Old Hrs 1–6 16.72±2.61 17.03±2.25 14.85±2.83
Hrs 7–12 27.50±2.07 27.18±3.11 28.25±3.91
*

p<0.05 relative to vehicle;

+

p<0.05 between age groups;

p<0.05 early vs. late light or dark period within age group.