Document Detail


Crying in separated and non-separated newborns: sound spectrographic analysis.
MedLine Citation:
PMID:  8740308     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
During the first 1-2 h after birth crying occurs during separation from the mother and stops on reunion. In rats, such "separation distress calls" have distinct phonetic properties. We examined this early crying by sound spectrography in 29 healthy, full-term, vaginally delivered babies, randomly assigned either to be kept in a cot or to be placed in body contact with the mother during the 90 min following birth. The former babies cried almost 10 times more than the latter ones. The duration of the cry signal (the smallest element of a cry analysed by spectrography) in both groups was 0.8-09s; the melody contour was flat or slightly rising--falling with a fundamental frequency of around 500 hertz. The cry is provisionally characterized as a discomfort cry, elicited mainly by separation from the mother.
Authors:
K Michelsson; K Christensson; H Rothgänger; J Winberg
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  85     ISSN:  0803-5253     ISO Abbreviation:  Acta Paediatr.     Publication Date:  1996 Apr 
Date Detail:
Created Date:  1996-10-10     Completed Date:  1996-10-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  NORWAY    
Other Details:
Languages:  eng     Pagination:  471-5     Citation Subset:  IM    
Affiliation:
Children's Hospital, University of Helsinki, Finland.
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MeSH Terms
Descriptor/Qualifier:
Animals
Anxiety, Separation / psychology*
Crying / psychology*
Humans
Hunger
Infant, Newborn / psychology*
Mother-Child Relations*
Pain / psychology
Psychoacoustics
Rats
Sound Spectrography
Time Factors
Touch

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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