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Introduction and learning objectives
Recording brain activity
What are evoked potentials?
What is the auditory brainstem response (ABR)?
Clinical applications
ABR testing equipment
Patient preparation
Testing environment
Choice of stimulus and transducer
Electrode montage
How to eliminate stimlus artifact
Quick demonstration of an ABR recording
Artifact rejection
Bayesian weighting
Signal filtering
When to stop an ABR recording?
Waveform intepretation
Threshold protocol
ABR and the patient journey
Hearing aid conversion
Ending comments
Learning objectives
Masking and the ABR
Shadow curve
Calculation of relative masking level (RML)
Masking calculator
Age correction for interaural attenuation in infants
Calibration correction
Case study
When is ABR masking needed?
Cross masking and the masking dilemma
Two-channel bone conduction ABR
Masking and cortical auditory evoked potentials
Suggested reading