Research Summary

Research Subjects

• human brain imaging
• brain dynamics model
• mental disorder

Selected Publications

Papers with an asterisk(*) are based on research conducted outside of RIKEN.

• 1.Hirayama J-i, Hyvärinen A, Kiviniemi V, Kawanabe M, Yamashita O.:
  "Characterizing Variability of Modular Brain Connectivity with Constrained Principal Component Analysis"
  PLoS ONE 11(12): e0168180(2016)
• 2.*Yamashita O.,Shimokawa T., Aisu R., Amita T., Inoue Y., Sato M.:
  "Multi-subject and multi-task experimental validation of the hierarchical Bayesian diffuse optical tomography algorithm"
  NeuroImage, 135, 287-299(2016)
• 3.*Fukushima M, Yamashita O, Knosche TR, Sato M.:
  "MEG source reconstruction based on identification of directed source interactions on whole-brain anatomical networks"
  NeuroImage, Volume 105, 408-427 (2015)
• 4.*Yamashita O, Shimokawa T, Kosaka T, Amita T, Inoue Y, and Sato M.:
  "Hierarchical Bayesian Model for Diffuse Optical Tomography of the Human Brain: Human Experimental Study"
  Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol.18, No.6, 1026-1033(2014)
• 5.*Yanagisawa T*, Yamashita O*, Hirata M, Kishima H, Saitoh Y, Goto T, Yoshimine T, and Kamitani Y.:
  "Regulation of motor representation by phase–amplitude coupling in the sensorimotor cortex"
  J Neurosci, vol.32(44):15467-75 (*equal contribution) (2012)
• 6.*Miyawaki Y, Uchida H, Yamashita O, Sato M, Morito Y, Tanabe H, Sadato N, Kamitani Y.:
  "Visual image reconstruction from human brain activity using a combination of multiscale local image decoders"
  Neuron, Vol.60(5):915-29. (2008)
• 7.*Yamashita O, Sato M, Yoshioka T, Tong F, Kamitani Y.:
  "Sparse estimation automatically selects voxels relevant for the decoding of fMRI activity patterns"
  Neuroimage. Vol.42(4):1414-29.(2008)
• 8.*Yamashita O, Sadato N, Okada T and Ozaki T.:
  "Evaluating frequency-wise directed connectivity of BOLD signals applying relative power contribution with the linear multivariate time-series models"
  NeuroImage, Vol.25, Issue 2, pp.478-490(2005)
• 9.*Galka A, Yamashita O, Ozaki T, Biscay R and Valdes-Sosa P.:
  "A solution to the dynamical inverse problem of EEG generation using spatiotemporal Kalman filtering"
  NeuroImage, Vol.23, Issue 2, pp.435-453(2004)
• 10.*Yamashita O, Galka A, Ozaki T, Biscay R and Valdes-Sosa P.:
  "Recursive Penalized Least Squares Solution for Dynamical Inverse Problems of EEG Generation"
  Human Brain Mapping, Vol.21, Issue 4, pp.221-235(2004)

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