Multi-barreled coaxial micro-pipettes with independent control of the central recording barrel.
D000818:Animals; D002415:Cats; D004566:Electrodes; D004594:Electrophysiology / Q000295:instrumentation*; D008722:Methods; D008846:Micromanipulation; D009474:Neurons / Q000187:drug effects* / Q000502:physiology; D011199:Potentiometry / Q000295:instrumentation; D014793:Visual Cortex / Q000502:physiology