A complete multiple unit counter with integrated output.
D000818:Animals; D001921:Brain / Q000502:physiology; D002415:Cats; D004567:Electrodes, Implanted; D004581:Electronics; D004594:Electrophysiology / Q000295:instrumentation*; D009474:Neurons / Q000502:physiology; D009482:Neurophysiology / Q000295:instrumentation; D011199:Potentiometry; D012890:Sleep