Document Detail

Infants' and adults' use of duration and intensity cues in the segmentation of tone patterns.
MedLine Citation:
PMID:  10723212     Owner:  NLM     Status:  MEDLINE    
Adults and 8-month-olds were presented with sequences in which every third complex tone was either longer or more intense. Segmentation was measured by comparing the detection of silent gaps inserted into three possible locations in each pattern: Silent gaps inserted at perceived segmentation boundaries are harder to detect than gaps within perceived phrases or groups. A go/no-go conditioned head-turn (hand-raising for adults) procedure was used. In Experiment 1, detection was worse for the gaps following the longer complex tones than for the gaps at the other locations, suggesting that the longer tones marked the ends of perceived groups for both infants and adults. Experiment 2 showed that an increase in intensity did not result in any systematic grouping at either age.
L J Trainor; B Adams
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Perception & psychophysics     Volume:  62     ISSN:  0031-5117     ISO Abbreviation:  Percept Psychophys     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2000-04-11     Completed Date:  2000-04-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0200445     Medline TA:  Percept Psychophys     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  333-40     Citation Subset:  IM    
Department of Psychology, McMaster University, Hamilton, ON, Canada.
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MeSH Terms
Child Psychology*
Loudness Perception*
Pitch Perception*
Sound Spectrography
Time Perception*

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

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