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Developmental changes of infant cries – the evolution of complex vocalizations

Published online by Cambridge University Press:  14 February 2005

Kathleen Wermke  and
Angela D. Friederici
Kathleen Wermke*
Affiliation:
Center for Pre-Speech Development and Developmental Disorders, Julius-Maximilians-University Wuerzburg, Department of Orthodontics, 97070Wuerzburg, Germany
Angela D. Friederici*
Affiliation:
Max-Planck-Institute for Human Cognitive and Brain Sciences, Department of Neuropsychology, 04103Leipzig, Germanywww.cbs.mpg.de
*
[email protected]
[email protected]
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Abstract:

The signal functions of infant crying cannot be understood properly without due attention to their ontogenetic development. Based on our own research on the development of infant cries, we argue that the controversies in cry literature will not be solved by static models, but that progress will made only when considering ontogenetic changes in interpreting cry data.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 27 , Issue 4 , August 2004 , pp. 474 - 475
Copyright
Copyright © Cambridge University Press 2004

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References

Notes

1. Spontaneous cries of the twins were recorded several times during their stay at the hospital. Recordings were repeated in six-week intervals (_/_ 2 weeks) in the home environment. In total, 1,100 cry signals of infants between birth and the 16th week of life were investigated and cries containing large regions of subharmonics or noise were excluded from the melody analysis (N_386). The remaining 714 cry melodies could be assigned to melody types (single- vs. multiple-arc-melodies). Spectral analysis and melody computations were made using a CSL-Speech Lab 4300/ MDVP (Kay Elemetrics).