title: Integrative activity in the nervous system: closed circuits and interneurons.
mesh_terms: D002531:Cerebellum / Q000502:physiology; D004569:Electroencephalography; D005246:Feedback; D007395:Interneurons / Q000502:physiology*; D009434:Neural Pathways / Q000502:physiology; D009469:Neuromuscular Junction / Q000502:physiology; D009474:Neurons / Q000502:physiology*; D011689:Purkinje Cells / Q000502:physiology; D012018:Reflex; D009435:Synaptic Transmission