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Event related synchronization and Hilbert Huang transform in the study of motor adaptation: A comparison of methods


Reference:

Molteni, E., Ferrari, M., Preatoni, E., Cimolin, V., Cerutti, S. and Bianchi, A. M., 2011. Event related synchronization and Hilbert Huang transform in the study of motor adaptation: A comparison of methods. In: 2011 5th International IEEE/EMBS Conference on Neural Engineering, NER 2011. Piscataway, NJ: IEEE Computer Society, pp. 132-135.

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    Official URL:

    http://dx.doi.org/10.1109/NER.2011.5910506

    Abstract

    The study of neural correlates of motor execution is commonly performed by means of event-related processing of electroencephalographic (EEG) recordings, in which each event refers to a standardized, repeatable movement. Some authors have proposed a valuable single-parameter method, the Event-Related Synchronization and Desynchronization (ERS/ERD) approach, for the identification of motor-related power modulation in each EEG frequency band. Under evolving experimental conditions (such as learning or adaptation), though, the repetition of a motor scheme becomes time-variant, and the employment of single-parameter descriptors no longer represents the optimal choice. This occurrence is typically found in motor learning and adaptation studies. In this work we compared the performance of the ERS/ERD method with the multi-parametric Hilbert Huang Transform (HHT). Results confirmed the statistically significant equivalence of the two methods in providing indexes of neural synchronization and desynchronization. Moreover, HHT allowed the tracking of frequency shifts in the alpha and beta EEG bands. The two methods were tested on an EEG dataset recorded during a motor adaptation test.

    Details

    Item Type Book Sections
    CreatorsMolteni, E., Ferrari, M., Preatoni, E., Cimolin, V., Cerutti, S. and Bianchi, A. M.
    DOI10.1109/NER.2011.5910506
    DepartmentsFaculty of Humanities & Social Sciences > Health
    Publisher StatementPreatoni_MotorAdaptation_NER2011_132.pdf: © 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    StatusPublished
    ID Code25112
    Additional Information2011 5th International IEEE/EMBS Conference on Neural Engineering, NER 2011. 27 April - 1 May 2011. Cancun, Mexico.

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