Reaching movement onset- and end-related characteristics of EEG spectral power modulations

Abstract: The spectral power of intracranial field potentials shows movement-related modulations during reaching movements to different target positions that in frequencies up to the high-γ range (approximately 50 to above 200 Hz) can be reliably used for single-trial inference of movement parameters. However, identifying spectral power modulations suitable for single-trial analysis for non-invasive approaches remains a challenge. We recorded non-invasive electroencephalography (EEG) during a self-paced center-out and center-in arm movement task, resulting in eight reaching movement classes (four center-out, four center-in). We found distinct slow (≤5 Hz), μ (7.5–10 Hz), β (12.5–25 Hz), low-γ (approximately 27.5–50 Hz), and high-γ (above 50 Hz) movement onset- and end-related responses. Movement class-specific spectral power modulations were restricted to the β band at approximately 1 s after movement end and could be explained by the sensitivity of this response to different static, post-movement electromyography (EMG) levels. Based on the β band, significant single-trial inference of reaching movement endpoints was possible. The findings of the present study support the idea that single-trial decoding of different reaching movements from non-invasive EEG spectral power modulations is possible, but also suggest that the informative time window is after movement end and that the informative frequency range is restricted to the β band

Object Details

• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch
• Notes: Frontiers in Neuroscience. 6 (2012), 65, DOI 10.3389/fnins.2012.00065, issn: 1662-453X ; IN COPYRIGHT http://rightsstatements.org/page/InC/1.0 rs

Classification and Topics

• Keyword: Elektroencephalographie ; Fitness ; Sportunterricht ; Fitnesstraining ; Sportpädagogik ; Präventives Training ; Gesundheitssport

Contributors, Places and Time

• Event: Veröffentlichung
• (where): Freiburg
• (who): Universität
• (when): 2012
• Creator: Demandt, Evariste ; Mehring, Carsten ; Vogt, Klaus ; Schulze-Bonhage, Andreas ; Aertsen, Ad ; Ball, Tonio
• Contributor: Albert-Ludwigs-Universität Freiburg. Bernstein Center Freiburg ; Albert-Ludwigs-Universität Freiburg. Fakultät für Biologie ; Klinik für Neurochirurgie. Abteilung Epileptologie - Epilepsiezentrum ; Albert-Ludwigs-Universität Freiburg. Medizinische Fakultät ; Albert-Ludwigs-Universität Freiburg

Further information

• DOI: 10.3389/fnins.2012.00065
• URN: urn:nbn:de:bsz:25-freidok-118701
• Rights: Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Last update: 25.03.2025, 1:53 PM CET