The use of sequential probabilities in the segmentation of speech |
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Authors: | Arie H. van der Lugt |
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Affiliation: | 1. Washington Singer Laboratories, Exeter University, Perry Road, EX4 4QG, Exeter, England
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Abstract: | The present investigation addresses the possible utility of sequential probabilities in the segmentation of spoken language. In a series of five word- spotting and two control lexical decision experiments, high- versus low-probability consonant-vowel (Experiments 1, 2, 5, and 7) and vowel-consonant (Experiments 1, 3, 4, and 6) strings were presented either in the nonsense contexts of target words (Experiments 1–3) or within the target words themselves (Experiments 4–7). The results suggest that listeners, at least for sequences in the onset position, indeed use sequential probabilities as cues for segmentation. The probability of a sound sequence influenced segmentation more when the sequence occurred within the target words (Experiments 4–7 vs. Experiments 1–3). Furthermore, the effects were reliable only when the sequences occurred in the onset position (Experiments 1, 2, 5, and 7 vs. Experiments 1, 3, 4, and 6). |
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