9 MICROPROCESSOR BASED INSTRUMENTS, AND PARTS THEREOF; USED FOR PHYSIOLOGICAL RESEARCH WITH ANIMALS AND MEDICAL TREATMENT OF HUMAN BEINGS, COMPRISING A LAB COMPUTER PROGRAM WHICH CONTROLS INSTRUMENTS USED IN MEDICAL RESEARCH AND TREATMENT, STIMULATOR/LABORATORY CONTROLLERS, ANALOG SIGNAL ROUTERS, DIGITAL SIGNAL ROUTERS, MULTIPORT COMMUNICATIONS CONTROLLERS, REMOTE CONTROLLERS, WINDOW DISCRIMINATORS, PULSE AMPLIFIERS, STIMULUS ISOLATORS, MICROELECTRODE AMPLIFIERS, PHYSIOLOGICAL MONITOR/CONTROLLERS, INTERVAL DATA ACQUISITION UNITS, ANALOG DATA ACQUISITION UNITS, LUNDBERG ARCH STEREOTAXICS INSTRUMENTS, STEPPER DRIVERS FOR LUNDBERG ARCH, ARBITRARY WAVEFORM GENERATORS, WAVEFORM RECOGNITION UNITS, THERMAL CHART RECORDERS, AND UNIVERSAL HEAD STAGES