
Rostral ventromedial medulla modulates nociception and tonic immobility behavior through connections with the A7 catecholaminergic region
Keywords: TI; tonic immobility; RVM; rostral ventromedial medulla; CCh; carbachol; A7; A7 catecholamine cell group; BDA; biotinylated dextran amines; VI; vocalization index; PAG; periaqueductal gray matter; Acetylcholine; Biotinylated dextran amines; Defensive beha