title: A stepper motor controlled microdrive for recording from unanesthetized animals.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D001522:Behavior, Animal; D001921:Brain / Q000502:physiology; D004566:Electrodes; D004594:Electrophysiology; D008251:Macaca; D008839:Microelectrodes; D009474:Neurons / Q000502:physiology*; D013238:Stereotaxic Techniques / Q000295:instrumentation*; D013242:Sterilization