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Vestibular evoked potential testing system

Vestibular evoked potential testing is an international experimental method used for detecting vestibular components in the inner ear of animals. Existing research indicates that it is a far-field potential from the vestibular system, rather than a muscle potential; The stimulus source is usually vibration stimulation, not sound stimulation; This type of vibration stimulation usually requires precise and good control and testing. After being applied to the animal skull, the vestibular evoked potential response is recorded through scalp electrodes. The vestibular evoked potential testing system can accurately conduct vestibular evoked potential testing, which is helpful for the study of vestibular function in the inner ear.

Technical Specifications

System configuration

●Uhf oscillator and power amplifier

●Evoked potential amplifiers and recording systems

●High performance workstation

Uhf oscillator and power amplifier

●Uhf oscillator, 10Hz-15kHz

●The maximum vibration force of the oscillator is 20N;

●Maximum amplitude ±4mm;

●Oscillator power amplifier 100W, frequency range 10Hz-20kHz;

Evoked potential amplifiers and recording systems

●Amplifier common-mode rejection ratio CMRR 100dB;

●Second-order bandpass filter 100-3000Hz (adjustable);

●Multistage amplification, amplification factor 20000;

Data analysis

●Real-time display of current and average waveforms;

●Waveform can be dragged to the observation window for comparison;

●Features manual skip and go to next stimulus intensity buttons;