Application of SOBI for Noise Reduction of Rat Magnetocardiograms
Higano, Sho ; Yasuda, Shotaro ; Ishiyama, Atsushi ; Ono, Yumie ; Hatsukade, Yoshimi
Cardiovascular signal processing
The high-temperature superconductor (HTS) superconducting quantum interface device (SQUID) was used to measure magnetocardiograms (MCGs)…
Detection of Change in Time-Course of Cortical Connectivity during Short-Term Memory Test
Kikuchi, Ryo ; Ono, Yumie ; Yokosawa, Koichi ; Ishiyama, Atsushi
Phase locking estimation in biosignal analysis
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Connectivity measurements
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Principal component analysis
The cortical connectivity was studied using magnetoencephalography (MEG) in a modified version of the visual Sternberg paradigm. A combined…
Determination of Appropriate Imagery Task to Discriminate ERD of "Pinch" and "Hold" Movements in Healthy Participants and Stroke Patients
Matsubara, Miku ; Kayanuma, Hidenori ; Ono, Yumie ; Omatsu, Satoko ; Tominaga, Takanori
Rehabilitation – Stroke
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Neural signals – Time-frequency analysis
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Brain functional imaging – EEG
Using video clips of hand movement to facilitate motor imagery and evoke strong ERD, we investigated the appropriate imagery task to…
Evaluation of Performance to Detect Default Mode Network Among Some Algorithms Applied to Resting-State FMRI Data
Tachikawa, Kenta ; Izawa, Shun ; Ono, Yumie ; Kuriki, Shinya ; Ishiyama, Atsushi
MR neuroimaging
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Functional image analysis
Significant correlation exists in the blood-oxygen-level-dependent (BOLD) signals of resting-state fMRI across different regions in the brain….
Magnetocardiograms Early Detection of Pulmonary Arterial Hypertension using Inverse Problem Analysis in Rat Model
Yasuda, Shotaro ; Higano, Sho ; Ono, Yumie ; Ishiyama, Atsushi ; Minamisawa, Susumu ; Kajimura, Ichige
Inverse problems in cardiac electrophysiology
Utilizing small animal magnetocardiography (MCG), we have developed a diagnostic method to detect the development of pulmonary hypertension…
