It has been shown that systemic administration of morphine induced a hyperalgesic response at an extremely low dose. We have examined the effect of nifedipine, as a calcium channel blocker, on morphine-induced hyperalgesia ...

Previous studies had reported that extracellular levels of ascorbic acid have modulatory effects on dopamine receptors. Both ascorbic acid and dopamine receptor have an important role in learning and memory processes. ...

The aim of this study was to investigate the effect of inflammatory pulpal pain on spatial learning and memory in male Wistar rats. Fifty-six adult rats were divided into eight groups as follows (n=7 per group): control, ...