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Table 1 Visceromotor response (VMR) to phasic ascending colorectal distention (CRD) over time following exposure to single-prolonged stress

From: PKCγ receptor mediates visceral nociception and hyperalgesia following exposure to PTSD-like stress in the spinal cord of rats

Group 10 mm Hg 20 mm Hg 40 mm Hg 60 mm Hg
Control (n = 8) 0.055 ± 0.006 0.259 ± 0.013 0.380 ± 0.014 0.535 ± 0.020
Post-1 day (n = 7) 0.053 ± 0.007 0.230 ± 0.012 0.301 ± 0.012* 0.417 ± 0.018*
Post-6 days (n = 8) 0.047 ± 0.006 0.263 ± 0.019 0.359 ± 0.012 0.536 ± 0.022
Post-7 days (n = 10) 0.056 ± 0.006 0.284 ± 0.020 0.617 ± 0.022 0.759 ± 0.022
Post-9 days (n = 7) 0.059 ± 0.007 0.329 ± 0.015 0.670 ± 0.028 0.896 ± 0.008
Post-14 days (n = 8) 0.048 ± 0.005 0.254 ± 0.037 0.653 ± 0.020 0.818 ± 0.020
Post-21 days (n = 10) 0.053 ± 0.006 0.291 ± 0.017 0.648 ± 0.021 0.823 ± 0.017
Post-28 days ( n = 9) 0.050 ± 0.005 0.312 ± 0.016 0.623 ± 0.024 0.839 ± 0.026
Post-29 days (n = 9) 0.042 ± 0.003 0.291 ± 0.021 0.450 ± 0.022 0.594 ± 0.025
  1. All data are expressed as the mean ± S.E.M.
  2. VMR was represented by the mean value of the area under the curve of the electromyographic activity during CRD.
  3. * P < 0.05 compared with Control.
  4. P < 0.001 compared with Control.
  5. P < 0.05 compared with post-29 days.