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Imagined speech can be decoded from low- and cross-frequency intracranial EEG features
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In: ISSN: 2041-1723 ; Nature communications, Vol. 13, No 1 (2022) P. 48 (2022)
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Imagined speech can be decoded from low- and cross-frequency intracranial EEG features
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In: Nat Commun (2022)
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Selective enhancement of low-gamma activity by tACS improves phonemic processing and reading accuracy in dyslexia
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In: ISSN: 1544-9173 ; EISSN: 1545-7885 ; PLoS Biology ; https://hal.archives-ouvertes.fr/hal-02958984 ; PLoS Biology, Public Library of Science, 2020, 18 (9), pp.e3000833. ⟨10.1371/journal.pbio.3000833⟩ (2020)
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Selective enhancement of low-gamma activity by tACS improves phonemic processing and reading accuracy in dyslexia
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In: ISSN: 1544-9173 ; PLOS Biology, Vol. 18, No 9 (2020) P. e3000833 (2020)
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Prominence of delta oscillatory rhythms in the motor cortex and their relevance for auditory and speech perception
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In: ISSN: 0149-7634 ; Neuroscience and Biobehavioral Reviews ; https://hal.archives-ouvertes.fr/hal-02007118 ; Neuroscience and Biobehavioral Reviews, Elsevier, 2019, ⟨10.1016/j.neubiorev.2019.09.012⟩ (2019)
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The rough sound of salience enhances aversion through neural synchronisation
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In: ISSN: 2041-1723 ; Nature Communications, Vol. 10, No 1 (2019) P. 3671 (2019)
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The rough sound of salience enhances aversion through neural synchronisation
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θ-Band and β-Band Neural Activity Reflects Independent Syllable Tracking and Comprehension of Time-Compressed Speech
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Acoustic landmarks drive delta-theta oscillations to enable speech comprehension by facilitating perceptual parsing
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Asymmetric Function of Theta and Gamma Activity in Syllable Processing: An Intra-Cortical Study
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In: EISSN: 1664-1078 ; Frontiers in Psychology ; https://hal.archives-ouvertes.fr/hal-02088050 ; Frontiers in Psychology, Frontiers, 2012, 3, ⟨10.3389/fpsyg.2012.00248⟩ (2012)
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Asymmetric function of theta and gamma activity in syllable processing: an intra-cortical study
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In: ISSN: 1664-1078 ; Frontiers in Psychology, Vol. 3, No 248 (2012) pp. 1-9 (2012)
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Asymmetric Function of Theta and Gamma Activity in Syllable Processing: An Intra-Cortical Study
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Abstract:
Low-gamma (25–45 Hz) and theta (4–8 Hz) oscillations are proposed to underpin the integration of phonemic and syllabic information, respectively. How these two scales of analysis split functions across hemispheres is unclear. We analyzed cortical responses from an epileptic patient with a rare bilateral electrode implantation (stereotactic EEG) in primary (A1/BA41 and A2/BA42) and association auditory cortices (BA22). Using time-frequency analyses, we confirmed the dominance of a 5–6 Hz theta activity in right and of a low-gamma (25–45 Hz) activity in left primary auditory cortices (A1/A2), during both resting state and syllable processing. We further detected high-theta (7–8 Hz) resting activity in left primary, but also associative auditory regions. In left BA22, its phase correlated with high-gamma induced power. Such a hierarchical relationship across theta and gamma frequency bands (theta/gamma phase-amplitude coupling) could index the process by which the neural code shifts from stimulus feature- to phonological-encoding, and is associated with the transition from evoked to induced power responses. These data suggest that theta and gamma activity in right and left auditory cortices bear different functions. They support a scheme where slow parsing of the acoustic information dominates in right hemisphere at a syllabic (5–6 Hz) rate, and left auditory cortex exhibits a more complex cascade of oscillations, reflecting the possible extraction of transient acoustic cues at a fast (~25–45 Hz) rate, subsequently integrated at a slower, e.g., syllabic one. Slow oscillations could functionally participate to speech processing by structuring gamma activity in left BA22, where abstract percepts emerge.
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Keyword:
Psychology
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URL: https://doi.org/10.3389/fpsyg.2012.00248 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3400438 http://www.ncbi.nlm.nih.gov/pubmed/22833730
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Dual Neural Routing of Visual Facilitation in Speech Processing ; Dual Neural Routing of Visual Facilitation in Speech Processing: Visual facilitation of speech processing
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In: ISSN: 0270-6474 ; EISSN: 1529-2401 ; Journal of Neuroscience ; https://www.hal.inserm.fr/inserm-00429667 ; Journal of Neuroscience, Society for Neuroscience, 2009, 29 (43), pp.13445-13453. ⟨10.1523/JNEUROSCI.3194-09.2009⟩ (2009)
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Dual Neural Routing of Visual Facilitation in Speech Processing
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In: ISSN: 0270-6474 ; EISSN: 1529-2401 ; Journal of Neuroscience ; https://hal.archives-ouvertes.fr/hal-02088005 ; Journal of Neuroscience, Society for Neuroscience, 2009, 29 (43), pp.13445-13453. ⟨10.1523/JNEUROSCI.3194-09.2009⟩ (2009)
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Dual Neural Routing of Visual Facilitation in Speech Processing
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