Concurrent processing of the prosodic hierarchy is supported by cortical entrainment and phase-amplitude coupling
Chantal Oderbolz, Elisabeth Stark, Sebastian Sauppe, Martin Meyer · 2024
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Description
Chantal Oderbolz and co-authors used brain recordings to ask how the brain tracks the rhythm layers of speech in a 2024 paper. Speech melody is organized in a hierarchy of units, from syllables to phrases, that stands apart from sentence grammar. How the brain parses that hierarchy was unexplored. Thirty young adults listened to German sentences that were manipulated at different levels of the rhythm hierarchy.
Two brain measures were used: how well brain waves lock to the speech rhythm, and how slow waves steer faster activity. Both showed that the brain keeps the hierarchy's structure during listening. The faithfulness of that tracking depended on how intact the hierarchy was in each sentence. It also varied with each listener's sense of rhythm and timing skill. The authors cast rhythmic brain mechanisms as core to how speech is understood.
Catalog record
| CREATOR | Chantal Oderbolz, Elisabeth Stark, Sebastian Sauppe, Martin Meyer |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 62 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |