Cortical processing of discrete prosodic patterns in continuous speech
में बचाया:
| में प्रकाशित: | Nature Communications vol. 16, no. 1 (2025), p. 1947 |
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| प्रकाशित: |
Nature Publishing Group
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| विषय: | |
| ऑनलाइन पहुंच: | Citation/Abstract Full Text - PDF |
| टैग: |
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| 001 | 3173172576 | ||
| 003 | UK-CbPIL | ||
| 022 | |a 2041-1723 | ||
| 024 | 7 | |a 10.1038/s41467-025-56779-w |2 doi | |
| 035 | |a 3173172576 | ||
| 045 | 2 | |b d20250101 |b d20251231 | |
| 084 | |a 145839 |2 nlm | ||
| 245 | 1 | |a Cortical processing of discrete prosodic patterns in continuous speech | |
| 260 | |b Nature Publishing Group |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a Prosody has a vital function in speech, structuring a speaker’s intended message for the listener. The superior temporal gyrus (STG) is considered a critical hub for prosody, but the role of earlier auditory regions like Heschl’s gyrus (HG), associated with pitch processing, remains unclear. Using intracerebral recordings in humans and non-human primate models, we investigated prosody processing in narrative speech, focusing on pitch accents—abstract phonological units that signal word prominence and communicative intent. In humans, HG encoded pitch accents as abstract representations beyond spectrotemporal features, distinct from segmental speech processing, and outperforms STG in disambiguating pitch accents. Multivariate models confirm HG’s unique representation of pitch accent categories. In the non-human primate, pitch accents were not abstractly encoded, despite robust spectrotemporal processing, highlighting the role of experience in shaping abstract representations. These findings emphasize a key role for the HG in early prosodic abstraction and advance our understanding of human speech processing.Using intracerebral recordings, the authors find abstract prosodic categories in continuous speech are encoded differently to segmental features by Heschl’s gyrus, suggesting specialized cortical processing early in the auditory processing hierarchy. | |
| 653 | |a Linguistics | ||
| 653 | |a Superior temporal gyrus | ||
| 653 | |a Prosody | ||
| 653 | |a Phonology | ||
| 653 | |a Frequency | ||
| 653 | |a Encoding (Cognitive process) | ||
| 653 | |a Phonemes | ||
| 653 | |a Continuous speech | ||
| 653 | |a Speech processing | ||
| 653 | |a Auditory processing | ||
| 653 | |a Speech | ||
| 653 | |a Information processing | ||
| 653 | |a Pitch | ||
| 653 | |a Accentuation | ||
| 653 | |a Primates | ||
| 653 | |a Temporal gyrus | ||
| 653 | |a Representations | ||
| 653 | |a Coding | ||
| 653 | |a Speeches | ||
| 653 | |a Humans | ||
| 653 | |a Classification | ||
| 773 | 0 | |t Nature Communications |g vol. 16, no. 1 (2025), p. 1947 | |
| 786 | 0 | |d ProQuest |t Health & Medical Collection | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3173172576/abstract/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3173172576/fulltextPDF/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |