Endogenous Opiates in the Nucleus Tractus Solitarius Mediate Electroacupuncture-Induced Sleep Activities in Rats
Figure 3
The effects of naltrindole and nor-binaltorphimine on EA-induced alterations in sleep. Neither naltrindole nor nor-binaltorphimine affected EA-induced enhancement of NREM sleep. *Represents a statistically significant difference between the values obtained from ipketamine PFS EA/ipketamine natrindole EA/ipketamine nor-binaltorphimine EA and ipketamine PFS. The shaded area represents the values of mean SEM. The black horizontal bar on the x-axis represents the dark period of the 12 : 12 h light : dark cycle.