Detection of signals in noisy backgrounds: a role for centrifugal fibres.
D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001306:Auditory Pathways / Q000187:drug effects / Q000502:physiology*; D001307:Auditory Perception; D001309:Auditory Threshold / Q000187:drug effects; D002404:Catheterization; D002415:Cats; D003051:Cochlea / Q000294:innervation; D004558:Electric Stimulation; D004594:Electrophysiology; D009476:Neurons, Efferent / Q000502:physiology; D013016:Sound
D001285:Atropine