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Examinations to Assess Newborn Hearing. Behavioral Observation Audiometry Younger than 5 mo; done in a quiet room L imited to unconditioned, reflexive responses to complex (not frequency-specific) test sounds Stimulus: speech, tones, rattles or music Response: startle
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Examinations to Assess Newborn Hearing Behavioral Observation Audiometry • Younger than 5 mo; done in a quiet room • Limited to unconditioned, reflexive responses to complex (not frequency-specific) test sounds • Stimulus: speech, tones, rattles or music • Response: startle • Poor to fair reliability Response levels can vary widely within and among infants.
Examinations to Assess Newborn Hearing Visual Reinforcement Audiometry • Between ages 6-24 mos. • Child is observed for a head-turning response upon activation of an animated (mechanical) toy reinforcer • Sounds are presented by loudspeakers in a sound field • Simulus: speech, tones, warble • Response: head turning • Reliability is good