dc.contributor.author | Lizarazu, Mikel | |
dc.contributor.author | Lallier, Marie | |
dc.contributor.author | Molinaro, Nicola | |
dc.date.accessioned | 2019-10-08T08:11:08Z | |
dc.date.available | 2019-10-08T08:11:08Z | |
dc.date.issued | 2019 | |
dc.identifier.citation | Lizarazu, M. , Lallier, M. and Molinaro, N. (2019), Phase−amplitude coupling between theta and gamma oscillations adapts to speech rate. Ann. N.Y. Acad. Sci., 1453: 140-152. doi:10.1111/nyas.14099 | es_ES |
dc.identifier.issn | 0077-8923 | |
dc.identifier.uri | http://hdl.handle.net/10810/35644 | |
dc.description | First published: 24 April 2019 | es_ES |
dc.description.abstract | Low- and high-frequency cortical oscillations play an important role in speech processing. Low-frequency neural oscillations in the delta (<4Hz) and theta (4–8 Hz) bands entrain to the prosodic and syllabic rates of speech, respectively.
Theta band neural oscillations modulate high-frequency neural oscillations in the gamma band (28−40Hz), which have been hypothesized to be crucial for processing phonemes in natural speech. Since speech rate is known to vary considerably, both between and within talkers, it has yet to be determined whether this nested gamma
response reflects an externally induced rhythm sensitive to the rate of the fine-grained structure of the input or a speech rate−independent endogenous response. Here, we recorded magnetoencephalography responses from participants listening to a speech delivered at different rates: decelerated, normal, and accelerated. We found that the
phase of theta band oscillations in left and right auditory regions adjusts to speech rate variations. Importantly, we showed that the peak of the gamma response—coupled to the phase of theta—follows the speech rate. This indicates that gamma activity in auditory regions synchronizes with the fine-grain properties of speech, possibly reflecting detailed acoustic analysis of the input. | es_ES |
dc.description.sponsorship | This research was
supported in part by the Agence Nationale de la
Recherche (ANR-10-LABX-0087 IEC and ANR-
10-IDEX-0001-02 PSL), the EUR Frontiers (ANR-
17-EURE-0017), the European Research Council
(ERC-2011-ADG-295362), and the MINECO
(PSI2015-67353-R). This work was also partially
supported by the Agencia Estatal de Investigación
(AEI), the Fondo Europeo de Desarrollo Regional
(FEDER) (grant PSI2015-65694-P), the “Severo
Ochoa” programme (SEV-2015-490) for Centres of
Excellence in R&D, and the Basque government
(grant PI_2016_1_0014). The authors would like to
acknowledge all the participants taking part in this
study. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Annals of the New York Academy of Sciences | es_ES |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/ERC-2011-ADG-295362 | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/PSI2015-67353-R | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/PSI2015-65694-P | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/SEV-2015-0490 | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.subject | neural oscillations | es_ES |
dc.subject | speech rate | es_ES |
dc.subject | auditory regions | es_ES |
dc.subject | magnetoencephalography | es_ES |
dc.title | Phase−amplitude coupling between theta and gamma oscillations adapts to speech rate | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | © 2019 The New York Academy of Sciences. All Rights Reserved | es_ES |
dc.relation.publisherversion | https://nyaspubs.onlinelibrary.wiley.com/journal/17496632 | es_ES |
dc.identifier.doi | 10.1111/nyas.14099 | |