Measurements of the micro/beta ERD and gamma ERS during the imagination of body parts movement.

Takahiro Matsunaga, Yoshinori Katayama, Takehito Hayami, Keiji Iramina

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In recent years, many studies shows that the ERS (event-related synchronization) in the gamma band is associated with cortical activation during the imagination of body parts movement. It is also known that the ERD (event-related desynchronization) in the micro and beta band are caused by the imagination of body parts movement. In this study, we investigated the relationship between the gamma ERS and micro/beta ERDs. We recorded 64-channel EEG in order to obtain the power map of the gamma component. Furthermore, we compared the characteristics of the gamma waveform and micro/beta waveforms at the locations where the gamma ERS appeared clearly. As a result, we obtained three conclusions. Firstly, gamma ERS caused by the imagination of body parts movement appears at near somatosensory area and motor area. Gamma ERS caused by the imagination of right arm movement appears at the left side of the somatosensory area, that of left arm movement appears at the right side of the somatosensory area, and that of the foot movement appears at the center of the motor area. Secondly, micro/beta ERDs appear simultaneously with the preparation of the imagination, and they continue during the imagination. However, gamma ERS appeared simultaneously with the imagination of body parts movement. Finally, the power of the micro/beta component decrease gradually, but that of the gamma component increases significantly.

Original languageEnglish
Pages (from-to)4130-4133
Number of pages4
JournalConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference
Publication statusPublished - 2008
Externally publishedYes

Fingerprint

Imagination
Human Body
Synchronization
Motor Cortex
Arm
Electroencephalography
Chemical activation
Foot

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing
  • Biomedical Engineering
  • Health Informatics

Cite this

@article{a34072b81f8b42b78472c4ced2ac2fb8,
title = "Measurements of the micro/beta ERD and gamma ERS during the imagination of body parts movement.",
abstract = "In recent years, many studies shows that the ERS (event-related synchronization) in the gamma band is associated with cortical activation during the imagination of body parts movement. It is also known that the ERD (event-related desynchronization) in the micro and beta band are caused by the imagination of body parts movement. In this study, we investigated the relationship between the gamma ERS and micro/beta ERDs. We recorded 64-channel EEG in order to obtain the power map of the gamma component. Furthermore, we compared the characteristics of the gamma waveform and micro/beta waveforms at the locations where the gamma ERS appeared clearly. As a result, we obtained three conclusions. Firstly, gamma ERS caused by the imagination of body parts movement appears at near somatosensory area and motor area. Gamma ERS caused by the imagination of right arm movement appears at the left side of the somatosensory area, that of left arm movement appears at the right side of the somatosensory area, and that of the foot movement appears at the center of the motor area. Secondly, micro/beta ERDs appear simultaneously with the preparation of the imagination, and they continue during the imagination. However, gamma ERS appeared simultaneously with the imagination of body parts movement. Finally, the power of the micro/beta component decrease gradually, but that of the gamma component increases significantly.",
author = "Takahiro Matsunaga and Yoshinori Katayama and Takehito Hayami and Keiji Iramina",
year = "2008",
language = "English",
pages = "4130--4133",
journal = "Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference",
issn = "1557-170X",
publisher = "Institute of Electrical and Electronics Engineers Inc.",

}

TY - JOUR

T1 - Measurements of the micro/beta ERD and gamma ERS during the imagination of body parts movement.

AU - Matsunaga, Takahiro

AU - Katayama, Yoshinori

AU - Hayami, Takehito

AU - Iramina, Keiji

PY - 2008

Y1 - 2008

N2 - In recent years, many studies shows that the ERS (event-related synchronization) in the gamma band is associated with cortical activation during the imagination of body parts movement. It is also known that the ERD (event-related desynchronization) in the micro and beta band are caused by the imagination of body parts movement. In this study, we investigated the relationship between the gamma ERS and micro/beta ERDs. We recorded 64-channel EEG in order to obtain the power map of the gamma component. Furthermore, we compared the characteristics of the gamma waveform and micro/beta waveforms at the locations where the gamma ERS appeared clearly. As a result, we obtained three conclusions. Firstly, gamma ERS caused by the imagination of body parts movement appears at near somatosensory area and motor area. Gamma ERS caused by the imagination of right arm movement appears at the left side of the somatosensory area, that of left arm movement appears at the right side of the somatosensory area, and that of the foot movement appears at the center of the motor area. Secondly, micro/beta ERDs appear simultaneously with the preparation of the imagination, and they continue during the imagination. However, gamma ERS appeared simultaneously with the imagination of body parts movement. Finally, the power of the micro/beta component decrease gradually, but that of the gamma component increases significantly.

AB - In recent years, many studies shows that the ERS (event-related synchronization) in the gamma band is associated with cortical activation during the imagination of body parts movement. It is also known that the ERD (event-related desynchronization) in the micro and beta band are caused by the imagination of body parts movement. In this study, we investigated the relationship between the gamma ERS and micro/beta ERDs. We recorded 64-channel EEG in order to obtain the power map of the gamma component. Furthermore, we compared the characteristics of the gamma waveform and micro/beta waveforms at the locations where the gamma ERS appeared clearly. As a result, we obtained three conclusions. Firstly, gamma ERS caused by the imagination of body parts movement appears at near somatosensory area and motor area. Gamma ERS caused by the imagination of right arm movement appears at the left side of the somatosensory area, that of left arm movement appears at the right side of the somatosensory area, and that of the foot movement appears at the center of the motor area. Secondly, micro/beta ERDs appear simultaneously with the preparation of the imagination, and they continue during the imagination. However, gamma ERS appeared simultaneously with the imagination of body parts movement. Finally, the power of the micro/beta component decrease gradually, but that of the gamma component increases significantly.

UR - http://www.scopus.com/inward/record.url?scp=84903865821&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84903865821&partnerID=8YFLogxK

M3 - Article

SP - 4130

EP - 4133

JO - Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference

JF - Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference

SN - 1557-170X

ER -