Document Detail

Fetal hearing.
MedLine Citation:
PMID:  3061844     Owner:  NLM     Status:  MEDLINE    
The fetus can hear during the last trimester of pregnancy. Consistent responses to acoustic stimuli have been observed from 28 weeks onwards. Animal experiments as well as investigations in the human lead to the conclusion that sounds from outside the mother are attenuated, but rarely by more than 30 decibels; external conversations are audible. Only 30% of the phonetic information is available to the fetus, but intonation is almost perfectly transmitted to the amniotic sac. Evidence is accumulating that the mother's voice or different sound patterns from the same voice are learnt by the fetus. Thus there are indications that short-term auditory memory may be present by the end of pregnancy.
D Querleu; X Renard; F Versyp; L Paris-Delrue; G Crèpin
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  European journal of obstetrics, gynecology, and reproductive biology     Volume:  28     ISSN:  0301-2115     ISO Abbreviation:  Eur. J. Obstet. Gynecol. Reprod. Biol.     Publication Date:  1988 Jul 
Date Detail:
Created Date:  1989-02-15     Completed Date:  1989-02-15     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  0375672     Medline TA:  Eur J Obstet Gynecol Reprod Biol     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  191-212     Citation Subset:  IM    
Clinique Universitaire de Gynécologie et Obstetrique, Université de Lille II, Roubaix, France.
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MeSH Terms
Auditory Perception / physiology
Auditory Threshold / physiology
Ear / anatomy & histology,  physiology
Fetus / physiology*
Hearing / physiology*
Memory / physiology

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