The Learning Signal in Perceptual Tuning of Speech: Bottom Up Versus Top‐Down Information

نویسندگان

چکیده

Cognitive systems face a tension between stability and plasticity. The maintenance of long-term representations that reflect the global regularities environment is often at odds with pressure to flexibly adjust short-term input may deviate from norm. This abundantly clear in speech communication when talkers accents or dialects produce deviates listener's language community norms. Prior research demonstrates bottom-up acoustic information top-down word knowledge available disambiguate input, there adaptive plasticity such subsequent perception shifted even absence disambiguating information. Although effects are well-documented, it not yet known whether resolution ambiguity operate through common processes, how these sources interact guiding perception. present study investigates joint contributions signal lexical categorization according regularities. results implicate category activation, sources, driving rapid adjustment listeners' reliance on dimensions categorization. Broadly, this pattern consistent dynamic mapping tuned interactive processing accommodating both idiosyncrasies input.

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ژورنال

عنوان ژورنال: Cognitive Science

سال: 2021

ISSN: ['0364-0213', '1551-6709']

DOI: https://doi.org/10.1111/cogs.12947