Navržení měřícího řetězce pro záznam sluchově evokovaných potenciálů
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Vysoká škola báňská – Technická univerzita Ostrava
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The aim of this bachelor thesis was to design and validate a measurement chain for recording auditory evoked potentials (AEP) using EEG, which could serve as a basis for faster and more accessible auditory function testing. Acoustic stimulation was performed via ‘click’ pulses generated in MATLAB. The electrophysiological signals were recorded with a wireless EEG system g.Nautilus
and subsequently processed using custom algorithms. Measurements were performed on thirteen volunteers with the aim of detecting waves I, III, and V during acoustic stimulation at three different intensities (50, 70, and 90 dB). The acquired data were filtered, segmented, averaged, and analyzed. The measurement results showed that evoked potentials were consistently detected and allowed the
evaluation of latency deviations from reference values. The presented work thus offers potential for the future development of more flexible and accessible methods for evoked potential recording outside the clinical setting.
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Auditory evoked potentials, electroencephalography, BERA, brainstem evoked potentials, biosignal processing