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. Author manuscript; available in PMC: 2012 Jun 30.
Published in final edited form as: Neuroscience. 2011 Apr 15;185:166–173. doi: 10.1016/j.neuroscience.2011.04.020

Figure 2.

Figure 2

The response of nociceptors to sustained (60 s) suprathreshold (10 g) von Frey hair mechanical stimuli in muscle nociceptors. Mean values (A) and individual fibers (B) are shown from naïve control and water-avoidance stress-exposed rats. The responses of the nociceptors from the water-avoidance group (n = 26) were significantly higher (for 0-10s and 0-60s) than those of control rats (n = 40, *P<0.05, Welch’s correction for the Student’s t-test). (C) Single-unit C-fiber recordings of action potentials evoked by a 10-g stimulus in naïve control and in water-avoidance stressed rats.