ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2019
Low-Frequency Oscillations Code Speech during Verbal Working Memory.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Left Perisylvian Rhythms Encode Prosody and Syntax during Delayed Sentence Repetition.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
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- Imagined speech event detection from electrocorticography and its transfer between speech modes and subjects.Communications biology · 2024Article
- Brain-wide human oscillatory local field potential activity during visual working memory.iScience · 2024Article
- Harmonic memory signals in the human cerebral cortex induced by semantic relatedness of words.NPJ science of learning · 2024Article
- Lateralization and Time-Course of Cortical Phonological Representations during Syllable Production.eNeuro · 2023Article
- Aberrant neurophysiological signaling associated with speech impairments in Parkinson's disease.NPJ Parkinson's disease · 2023Article
- Article
- Machine learning analysis reveals aberrant dynamic changes in amplitude of low-frequency fluctuations among patients with retinal detachment.Frontiers in neuroscience · 2023Article
- Article
- Imagined speech can be decoded from low- and cross-frequency intracranial EEG features.Nature communications · 2022Article
- Dynamic Changes of Amplitude of Low-Frequency Fluctuations in Patients With Diabetic Retinopathy.Frontiers in neurology · 2021Article
- Dependence of Working Memory on Coordinated Activity Across Brain Areas.Frontiers in systems neuroscience · 2021Review
- Transformation of speech sequences in human sensorimotor circuits.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
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Authors and funding
11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The way the human brain represents speech in memory is still unknown. An obvious characteristic of speech is its evolvement over time. During speech processing, neural oscillations are modulated by the temporal properties of the acoustic speech signal, but also acquired knowledge on the temporal structure of language influences speech perception-related brain activity. This suggests that speech could be represented in the temporal domain, a form of representation that the brain also uses to encode autobiographic memories. Empirical evidence for such a memory code is lacking. We investigated the nature of speech memory representations using direct cortical recordings in the left perisylvian cortex during delayed sentence reproduction in female and male patients undergoing awake tumor surgery. Our results reveal that the brain endogenously represents speech in the temporal domain. Temporal pattern similarity analyses revealed that the phase of frontotemporal low-frequency oscillations, primarily in the beta range, represents sentence identity in working memory. The positive relationship between beta power during working memory and task performance suggests that working memory representations benefit from increased phase separation.
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