Kyushu University Academic Staff Educational and Research Activities Database
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Keiji Iramina Last modified date:2017.05.30

Graduate School
Undergraduate School
Other Organization

Academic Degree
Dr. of Engineering
Field of Specialization
Biomedical Engineering, Neuroimaging, Neuroinformatics
Outline Activities
There are two major research fields. One is the functional brain imaging which aims at the elucidation of human brain function; the other one is brain function modeling which is applied to various fields by constructing the model of brain activation. In details, we study in the fields of the measurements of brain function by EEG (Electroencephalography), MEG (Magnetoencephalography), MRI (Magnetic Resonance Imaging), NIRS (Near-Infrared Spectroscope) and TMS (Transcranial Magnetic Stimulation), the development of measurement technology and the simulation of brain activation. The elucidation of the mechanism of brain function is one of foundations of life science, and it can be applied to almost all the fields. Have a deep understanding of brain information processing, and apply the research results to fields of life science, medicine, engineering and education is the purpose of our study.
Since we are studying in an interdisciplinary domain, we take into account the collaboration of medicine, biology, pedagogy and psychology is important in our study.
Research Interests
  • Brain Computer Interface and Neurofeedback system using EEG and NIRS
    keyword : Brain Computer Interface, neurofeedback, EEG, NIRS
  • Effects of neuronal plasticity caused by transcranial magnetic stimulation (TMS) or transcranial direct current stimulation(tDCS)
    keyword : transcranial magnetic stimulation, transcranial direct current stimulaton, neuronal plastisity
  • Comunication Support System for Patients with Severe Motor and Intellectual Disabilities
    keyword : Cognition Level, Severe Motor and Intellectual Disabilities, EEG, NIRS
  • Development of quantitative evaluation system for ADHD using by soft neurological signs
    keyword : pronotion and supination, sofu neurological signs, ADHD
  • Development of the educational support system for children with disabilities using wireless EEG and NIRS
    keyword : EEG, NIRS, developmental disorder, educational support system
  • A study of the mechanism of visual perception using transcranial magnetic stimulation (TMS)
    keyword : Transcranial Magnetic Stimulation, visual perception, visual search, perceptual reversal
  • New application of Brain Computer Interface(BCI) by EEG and NIRS
    keyword : brain computer interface, EEG, NIRS
  • Measurement of brain function using NIRS
    keyword : NRS, Non-invasive functional measurement
  • Investigation of the electrical activity in the brain, using simultaneous TMS and EEG measurement
    keyword : transcranial magnetic stimulation, EEG, functional brain dynamic imaging
Academic Activities
1. measurement and Imaging of Brain Function Using MRI, MEG and TMS.
1. Akira Hyodo, Takehito Hayami, Seichi Tsuyama, Keiji Iramina, and Shoogo Ueno, Effects of stimulus parameters and tissue inhomogeneity on nerve excitation processes in magnetic stimulation of the brain, J. Appl. Phys., Vol. 105, 07B304, 2009.04.
2. Masakuni Iwahashi, Yohei Koyama, Akira Hyodo, Takehito Hayami, Shoogo Ueno, and Keiji Iramina, Measurements of evoked electroencephalograph by transcranial magnetic stimulation applied to motor cortex and posterior parietal cortex
, J. Appl. Phys., Vol. 105, 07B321, 2009.04.
3. Keiji Iramina, Sheng Ge, Akira Hyodo, Takehito Hayami, and Shoogo Ueno, Disturbance of visual search by stimulating to posterior parietal cortex in the brain using transcranial magnetic stimulation, J. Appl. Phys., Vol. 105, 07B302, 2009.04.
4. Sheng Ge, Akira Matsuoka, Shoogo Ueno, Keiji Iramina , A Study of Temporal Aspect of Posterior Parietal Cortex in Visual Search Using Transcranial Magnetic Stimulation , 電気学会論文誌 電子・情報・システム, Volume 127-C Number 10, 1651-1657, 2007.10.
5. Keiji Iramina, Shoogo Ueno, High Spatial Resolutional Measurementof Biomagnetic Field, IEEE Transactions on Magnetics, Volume 43, Issue 6, 2477 - 2479, 2007.06.
6. K.IRAMINA, T.MAENO, S.UENO, Topography of EEG Responses Evoked by transcranial magnetic stimulation to the cerebellum, IEEE Transactions on Magnetics, 40(4), pp.2982-2984, 2004.04.
1. Possibility of Transcranial Magnetic Stimulation to Neuroscience and Clinical Application.
Membership in Academic Society
  • IEEE
Other Educational Activities
  • 2007.10.
Professional and Outreach Activities
Promoting to the biomedical engineering consortium in Asean countries, Thailand, Singapore and Indonesia. Oganizing the International Summer School for Biomedical Engineering.