in the brainstem , the neurons were widespread and associated with the reticular formation , raphe nuclei , nuclei of the trigeminal complex , several auditory nuclei -- nuclei of the lateral lemniscus , cochlear nuclei , and inferior colliculus -- , cerebellum , locus ceruleus , periventricular gray , and vagal and hypoglossal nuclei .
C0006121
brainstem
C0034671
raphe nuclei