A 6-month-old boy born at 28 weeks gestation is referred to audiology after failing newborn screening. Audiological testing shows pure-tone thresholds of 85 dB HL bilaterally, but otoacoustic emissions (OAEs) are robustly present. Auditory brainstem response (ABR) is absent bilaterally. The infant's parents report he does not turn to sound or babble, despite appearing to respond to vibration. The pattern marked **B** in the diagram best describes this infant's audiological profile. Which of the following is the most appropriate next diagnostic step to guide management?
Ready to test yourself?
Test your ENT knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Auditory Neuropathy Spectrum Disorder MCQs with AI-powered explanations tailored to your performance.
Create Free Account