Electroacupuncture Alleviates Pain-Related Emotion by Upregulating the Expression of NPS and Its Receptor NPSR in the Anterior Cingulate Cortex and Hypothalamus
C-CPA model induced the decrease in paw withdrawal thresholds and the establishment of conditioned place aversion. (a) Paw withdrawal thresholds after CFA injection. (b) Time spent in the CFA-paired compartment on pre- and postconditioning days. (c) CPA scores on the postconditioning day. (d) Magnitude of CPA scores. Eleven rats in each group. , C-CPA vs. control.