I can see what you said: Infant sensitivity to articulator congruency between audio-only and silent-video presentations of native and nonnative consonants
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We examined infants’ sensitivity to articulatory organ congruency between audio-only and silent-video consonants (lip vs. tongue tip closure) to evaluate three theoretical accounts of audio-visual perceptual development for speech: 1) learned audio-visual associations; 2) intersensory perceptual narrowing; 3) amodal perception of articulatory gestures. Effects of language experience were investigated in 4- vs. 11- month-olds’ cross-modal perception of native (English stops) and nonnative (Tigrinya ejectives) consonant contrasts. The 4- month-olds showed an articulator-congruency preference for both native and nonnative consonants, but it was constrained by trial order. The 11-month-olds’ more complex cross-modal responses differed for native vs. nonnative speech, suggesting an effect of increased native language experience. Results are at odds with associative learning and perceptual narrowing, but consistent with experiential tuning of amodal perception for two distinct articulators.
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Best, C.; Kroos, Christian; Irwin, J. (2011)In a prior study infants habituated to an audio-only labial or alveolar, native English voiceless or non-native ejective stop, then saw silent videos of stops at each place . 4-month-olds gazed more at congruent videos ...
Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant AccountBundgaard-Nielsen, R.; Baker, B.; Kroos, Christian; Harvey, M.; Best, C. (2015)Native speech perception is generally assumed to be highly efficient and accurate. Very little research has, however, directly examined the limitations of native perception, especially for contrasts that are only minimally ...
Best, C.; Kroos, Christian; Mulak, K.; Halovic, S.; Fort, M.; Kitamura, C. (2015)A core issue in speech perception and word recognition research is the nature of information perceivers use to identify spoken utterances across indexical variations in their phonetic details, such as talker and accent ...