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. Author manuscript; available in PMC: 2011 Dec 17.
Published in final edited form as: Brain Res. 2010 Nov 3;1366:71–84. doi: 10.1016/j.brainres.2010.09.058

Figure 2.

Figure 2

Extracellular neuronal responses to stimulation. A. An example of a neuronal response to the stimulation of the receptive field in raw tracing and histogram forms. B. An example of a neuronal response to intrapericardial stimuli in raw tracing and histogram forms. C. Comparison of the number of PSDC and VLF neurons that responded to chemical stimulation of the heart. The VLF neurons significantly outnumber the PSDC neurons (12/12 vs 1/7), *p= 0.0003 (Fisher’s Exact Test). D. Comparison of excitatory responses of the PSDC (n=1, No statistics were performed) and the VLF neurons (n=12) to the intrapericardial injection of algogenic chemicals.