Document Detail

Detecting Violations of Temporal Regularities in Waking and Sleeping Two-month-old Infants.
MedLine Citation:
PMID:  23046905     Owner:  NLM     Status:  Publisher    
Correctly processing rapid sequences of sounds is essential for developmental milestones, such as language acquisition. We investigated the sensitivity of two-month-old infants to violations of a temporal regularity, by recording event-related brain potentials (ERP) in an auditory oddball paradigm from 36 waking and 40 sleeping infants. Standard tones were presented at a regular 300ms inter-stimulus interval (ISI). One deviant, otherwise identical to the standard, was preceded by a 100ms ISI. Two other deviants, presented with the standard ISI, differed from the standard in their spectral makeup. We found significant differences between ERP responses elicited by the standard and each of the deviant sounds. The results suggest that the ability to extract both temporal and spectral regularities from a sound sequence is already functional within the first few months of life. The scalp distribution of all three deviant-stimulus responses was influenced by the infants' state of alertness.
R A Otte; I Winkler; M A K A Braeken; J J Stekelenburg; O van der Stelt; B R H Van den Bergh
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-6
Journal Detail:
Title:  Biological psychology     Volume:  -     ISSN:  1873-6246     ISO Abbreviation:  Biol Psychol     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375566     Medline TA:  Biol Psychol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
Dept. of Psychology; Tilburg University; Warandelaan 2; PO Box 90153; 5000 LE Tilburg; The Netherlands.
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