Visceral Sensory Neuroscience: InteroceptionIt has been known for over a century that there is an afferent(body to brain), as well as an efferent(brain to body), component to the visceral atonomic nervous system. Despite the fundamental importance of bodily afferent information sometimes called interoception to central nervous system control of visceral organ function, emotional motivational processes, and dysfunction of these processes, including psychosomatic disorders, its role did not