Segment duration as a cue to word boundaries in spoken-word recognition. Shatzman, K. B & McQueen, J. M Percept Psychophys, 68(1):1-16, 2006. doi abstract bibtex In two eye-tracking experiments, we examined the degree to which listeners use acoustic cues to word boundaries. Dutch participants listened to ambiguous sentences in which stop-initial words (e.g., pot, jar) were preceded by eens (once); the sentences could thus also refer to cluster-initial words (e.g., een spot, a spotlight). The participants made fewer fixations to target pictures (e.g., ajar) when the target and the preceding [s] were replaced by a recording of the cluster-initial word than when they were spliced from another token of the target-bearing sentence (Experiment 1). Although acoustic analyses revealed several differences between the two recordings, only [s] duration correlated with the participants' fixations (more target fixations for shorter [s]s). Thus, we found that listeners apparently do not use all available acoustic differences equally. In Experiment 2, the participants made more fixations to target pictures when the [s] was shortened than when it was lengthened. Utterance interpretation can therefore be influenced by individual segment duration alone.
@Article{Shatzman2006b,
author = {Keren B Shatzman and James M McQueen},
journal = {Percept Psychophys},
title = {Segment duration as a cue to word boundaries in spoken-word recognition.},
year = {2006},
number = {1},
pages = {1-16},
volume = {68},
abstract = {In two eye-tracking experiments, we examined the degree to which listeners
use acoustic cues to word boundaries. Dutch participants listened
to ambiguous sentences in which stop-initial words (e.g., pot, jar)
were preceded by eens (once); the sentences could thus also refer
to cluster-initial words (e.g., een spot, a spotlight). The participants
made fewer fixations to target pictures (e.g., ajar) when the target
and the preceding [s] were replaced by a recording of the cluster-initial
word than when they were spliced from another token of the target-bearing
sentence (Experiment 1). Although acoustic analyses revealed several
differences between the two recordings, only [s] duration correlated
with the participants' fixations (more target fixations for shorter
[s]s). Thus, we found that listeners apparently do not use all available
acoustic differences equally. In Experiment 2, the participants made
more fixations to target pictures when the [s] was shortened than
when it was lengthened. Utterance interpretation can therefore be
influenced by individual segment duration alone.},
doi = {10.3758/bf03193651},
keywords = {Cues, Humans, Recognition (Psychology), Speech Perception, Time Factors, Vocabulary, 16617825},
}
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