Functional and Anatomical Dissociations of Sensorimotor Alpha and Beta Rhythms in Overt Word Production

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dc.contributor.advisorPiai, V.
dc.contributor.advisorJanse, E.
dc.contributor.authorHuang, Z.
dc.date.issued2022-04-14
dc.description.abstractSensorimotor alpha and beta event-related desynchronizations (ERDs) are well-established markers for motor-related activity. While it has been found that the sensorimotor alpha and beta rhythms are functionally and anatomically dissociable in hand movements, it is unclear how they can be dissociated in speech production. Studies using surface measures (e.g., magneto-encephalography (MEG), electro-encephalography (EEG)) on overt speech production have suggested that the sensorimotor alpha ERD is associated with somatosensory feedback processing and more localized to the somatosensory cortex relative to the sensorimotor beta ERD. By contrast, the sensorimotor beta ERD is related to motor planning, programming, and control and is located more in the primary motor cortex than the sensorimotor alpha ERD. This study used stereo-electro-encephalography (SEEG) data with high temporal and spatial resolution from patients with epilepsy to investigate whether alpha and beta rhythms are functionally and anatomically dissociable in primary motor and somatosensory cortices during overt picture naming. Preliminary results obtained from the analysis of two participants' data suggest a functional but no anatomical dissociation between the sensorimotor alpha and beta rhythms. However, future studies with a larger sample are needed for reaching more solid conclusions.en_US
dc.embargo.lift10000-01-01
dc.embargo.typePermanent embargoen_US
dc.identifier.urihttps://theses.ubn.ru.nl/handle/123456789/12581
dc.language.isoenen_US
dc.thesis.facultyFaculteit der Letterenen_US
dc.thesis.specialisationResearchmaster Language and Communicationen_US
dc.thesis.studyprogrammeResearchmastersen_US
dc.thesis.typeResearchmasteren_US
dc.titleFunctional and Anatomical Dissociations of Sensorimotor Alpha and Beta Rhythms in Overt Word Productionen_US
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