Changes in the DP-gram during the preterm and early postnatal period.

@article{Abdala2008ChangesIT,
  title={Changes in the DP-gram during the preterm and early postnatal period.},
  author={Carolina F. Abdala and Sandra I. Oba and Rangasamy Ramanathan},
  journal={Ear and hearing},
  year={2008},
  volume={29 4},
  pages={512-23}
}
OBJECTIVES To describe and define changes in the infant DP-gram during an age continuum from the preterm period through the first 6 mo of postnatal life. This information provides normative guidelines for audiologists or hearing screeners using DPOAEs to monitor infant hearing status. DESIGN In this retrospective study, 2f1 - f2 DP-grams (DPOAE level x f2) were recorded with primary tones at 65/55 dB SPL, f2/f1 = 1.2, and f2 frequencies ranging from 1500 to 9000 Hz. Results from one ear of… CONTINUE READING
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