초록

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Abstract ▼ AI-Helper

A variety of diagnostic means for evaluating the hearing ability of neonates and infants have been studied so far, and some physical responses of neonates and infants to loud sound is still of much value. The author studied some normal responses of 100 neonates (male 54, female 46) in our neonatal...

A variety of diagnostic means for evaluating the hearing ability of neonates and infants have been studied so far, and some physical responses of neonates and infants to loud sound is still of much value. The author studied some normal responses of 100 neonates (male 54, female 46) in our neonatal room from Jan, 1977 to April, 1977. We took 90dB pure tone at 3, 000Hz by Beltone Audiometer model l0D (ANSI 1969) for a stimulus. The results are as follows: 1. The range of the examinees' age is between 2 and 3.5 hours (average 2.4 hours), and auropalpebral response is in 39% (eyelid blinking 10%, eyelid widening 29%), Moro reflex in 35%, sucking response in 14%, cessation of movement in 6%, head turning response in 2%, and no response in 4%. 2. The duration of response is between 2 and 5 Seconds (average 3.3 seconds).