52 phonations of 13 cleft palate neonates were analyzed by sound spectrographic methods. 17 phonetical attributes were included in the study and the first signal after the pain stimulus was analyzed. The cries of the cleft palate infants were compared with the crying of 75 normal babies of the same age. No change in the fundamental frequency, melody type and duration of the cries was seen in association with these anatomical defects. Two of the characteristics studied, vibrato and the Ê»tonal pit’, occurred significantly more often in cries of the cleft palate infants than in cries of the control series. The changes in the qualities seen in association with cleft palate and/or cleft lip do not mimic the abnormalities produced by brain damage.

Keywords:
Cry, Cleft palate, Newborn infant, Phonation
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© 1975 S. Karger AG, Basel
1975
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