The possible-word constraint in the segmentation of continuous speech. Norris, D., McQueen, J. M., Cutler, A., & Butterfield, S. Cognit Psychol, 34(3):191-243, 1997. doi abstract bibtex We propose that word recognition in continuous speech is subject to constraints on what may constitute a viable word of the language. This Possible-Word Constraint (PWC) reduces activation of candidate words if their recognition would imply word status for adjacent input which could not be a word–for instance, a single consonant. In two word-spotting experiments, listeners found it much harder to detect apple, for example, in fapple (where [f] alone would be an impossible word), than in vuffapple (where vuff could be a word of English). We demonstrate that the PWC can readily be implemented in a competition-based model of continuous speech recognition, as a constraint on the process of competition between candidate words; where a stretch of speech between a candidate word and a (known or likely) word boundary is not a possible word, activation of the candidate word is reduced. This implementation accurately simulates both the present results and data from a range of earlier studies of speech segmentation.
@Article{Norris1997,
author = {D. Norris and James M. McQueen and A. Cutler and S. Butterfield},
journal = {Cognit Psychol},
title = {The possible-word constraint in the segmentation of continuous speech.},
year = {1997},
number = {3},
pages = {191-243},
volume = {34},
abstract = {We propose that word recognition in continuous speech is subject to
constraints on what may constitute a viable word of the language.
This Possible-Word Constraint (PWC) reduces activation of candidate
words if their recognition would imply word status for adjacent input
which could not be a word--for instance, a single consonant. In two
word-spotting experiments, listeners found it much harder to detect
apple, for example, in fapple (where [f] alone would be an impossible
word), than in vuffapple (where vuff could be a word of English).
We demonstrate that the PWC can readily be implemented in a competition-based
model of continuous speech recognition, as a constraint on the process
of competition between candidate words; where a stretch of speech
between a candidate word and a (known or likely) word boundary is
not a possible word, activation of the candidate word is reduced.
This implementation accurately simulates both the present results
and data from a range of earlier studies of speech segmentation.},
doi = {10.1006/cogp.1997.0671},
keywords = {Analysis of Variance, Humans, Phonetics, Psycholinguistics, Speech Perception, 9466831},
}
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