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MASTER: a Windows program for recording multiple auditory steady-state responses.

M S John1, T W Picton

  • 1Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Canada. picton@psych.toronto.ca

Computer Methods and Programs in Biomedicine
|February 8, 2000
PubMed
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The MASTER system records auditory steady-state responses for hearing assessment. It objectively detects auditory signals in noise using frequency-domain analysis of electrophysiological data.

Area of Science:

  • Neuroscience
  • Audiology
  • Biomedical Engineering

Background:

  • Accurate assessment of human hearing is crucial for diagnosis and treatment.
  • Existing methods for auditory response recording may have limitations in speed or objectivity.
  • Electrophysiological measures like auditory steady-state responses (ASSRs) offer objective insights into auditory function.

Purpose of the Study:

  • To introduce the MASTER system, a novel data acquisition system for assessing human hearing.
  • To detail the system's capabilities in generating stimuli, acquiring data, and analyzing auditory responses.
  • To highlight the system's design principles for reliable signal detection in noisy environments.

Main Methods:

  • The MASTER system utilizes Windows-based software for data acquisition.

Related Experiment Videos

  • It simultaneously generates amplitude-modulated and/or frequency-modulated auditory stimuli.
  • Electrophysiological responses are recorded and analyzed in the frequency-domain to detect significant signals above background EEG.

    • Main Results:

    • The system objectively determines if auditory responses are significantly larger than background electroencephalographic activity.
    • Results can be printed, stored for further analysis, reviewed, and combined.
    • The system employs principles for artifact-free data acquisition and signal detection in noise.

    Conclusions:

    • The MASTER system provides a comprehensive platform for assessing human hearing via ASSRs.
    • Its design emphasizes objective signal detection and data management for clinical and research applications.
    • The use of LabVIEW and commercial hardware ensures accessibility and potential for integration.