Encoding and decoding of meaning through structured variability in intonational speech prosody
نویسندگان
چکیده
Speech prosody plays an important role in communication of meaning. The cognitive and computational mechanisms supporting this remain to be understood, however. Prosodic cues vary across talkers speaking conditions, creating ambiguity the sound-to-meaning mapping. We hypothesize that listeners ameliorate part by learning talker-specific statistics prosodic cues. To test hypothesis, we investigate production recognition question vs. statement American English. Experiment 1 elicits productions questions statements from 65 examine distributional characterizing within- cross-talker variability these productions. use Bayesian ideal observer models assess predicted consequences on listeners' prosody. find is facilitate recognition, above beyond what can achieved via commonly assumed normalizations 2 tests prediction a comprehension experiment. expose different groups input both prior to, following, exposure. Prior exposure, observer-derived predictions based provide good qualitative fit against contours 2. Following shift categorization boundary between ways consistent with statistics.
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ژورنال
عنوان ژورنال: Cognition
سال: 2021
ISSN: ['1873-7838', '0010-0277']
DOI: https://doi.org/10.1016/j.cognition.2021.104619