Document Detail

Gated audiovisual speech identification in silence vs. noise: effects on time and accuracy.
MedLine Citation:
PMID:  23801980     Owner:  NLM     Status:  PubMed-not-MEDLINE    
This study investigated the degree to which audiovisual presentation (compared to auditory-only presentation) affected isolation point (IPs, the amount of time required for the correct identification of speech stimuli using a gating paradigm) in silence and noise conditions. The study expanded on the findings of Moradi et al. (under revision), using the same stimuli, but presented in an audiovisual instead of an auditory-only manner. The results showed that noise impeded the identification of consonants and words (i.e., delayed IPs and lowered accuracy), but not the identification of final words in sentences. In comparison with the previous study by Moradi et al., it can be concluded that the provision of visual cues expedited IPs and increased the accuracy of speech stimuli identification in both silence and noise. The implication of the results is discussed in terms of models for speech understanding.
Shahram Moradi; Björn Lidestam; Jerker Rönnberg
Publication Detail:
Type:  Journal Article     Date:  2013-06-19
Journal Detail:
Title:  Frontiers in psychology     Volume:  4     ISSN:  1664-1078     ISO Abbreviation:  Front Psychol     Publication Date:  2013  
Date Detail:
Created Date:  2013-06-26     Completed Date:  2013-06-27     Revised Date:  2013-08-13    
Medline Journal Info:
Nlm Unique ID:  101550902     Medline TA:  Front Psychol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  359     Citation Subset:  -    
Linnaeus Centre HEAD, Department of Behavioral Sciences and Learning, Linköping University Linköping, Sweden.
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