Objective to investigate the distribution of Fos-immunoreactive(IR) neurons in conscious rat brain after electrical stimulation of dura near superior sagittal sinus(SSS).Methods\The rats were prepared by exposure of the superior sagittal sinus.The dura mater near the SSS was electrically stimulated and Fos protein was labeled by immunohistochemical staining.Results After the electrical stimulation,the Fos-IR neurons were observed in many areas in the brain: the upper cervical spinal dorsal horn,spinal trige...