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KMID : 0374919930140010067
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Inje Medical Journal
1993 Volume.14 No. 1 p.67 ~ p.78
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Developmental Characteristics of Brainstem Auditory Evoked Response in the Neonatal Period
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Abstract
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The branistem auditory evoked response was investigated in 52 ears of 26 healthy newborn infants as well as in 28 ears of 14 healthy older infants. For the quantification of the developmental characteristics of brainstem auditory evoked response
in
the
neonatal period, the results of the newborn infant group were compared to those of the older infant group. The results reveal increased latencies for wave I. III, and V among the newborn infant, relative to the older infant groups. The pattern of
latench change for weve I was different from that for waves III and V. Between 42 and 44 weeks conceptual age, weve I latency was the same as the adult value. In cantrast, waves III and V were characterized by decreasing latency from the newborn
period
to older infantile period, but still not in adult value. There is a differential maturation maturation between peripheral conduction represented by wave I latency as compared to central conduction represented by I-V interpeak latency interval.
There is
also no differences in wave V latency-intensity function between newborn infants and older infants.
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KEYWORD
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