The interaction of the afferent systems.
D001341:Autonomic Nervous System; D001927:Brain Diseases / Q000503:physiopathology*; D002540:Cerebral Cortex / Q000502:physiology; D002907:Chronaxy; D004594:Electrophysiology; D006309:Hearing; D006801:Humans; D007031:Hypothalamus / Q000502:physiology*; D009812:Odorants; D010465:Perception; D012903:Smell; D013016:Sound; D014785:Vision, Ocular / Q000502:physiology*