Guoxiang Liu1,2, Adnan Shah1,2, Takashi Ueguchi1,2, and Seiji Ogawa1,3
1CiNet, NICT, Osaka, Japan, 2Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan, 3Tohoku Fukushi University, Sendai, Japan
1CiNet, NICT, Osaka, Japan, 2Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan, 3Tohoku Fukushi University, Sendai, Japan
We propose shot-wise separate k-space motion correction and ICA denoising method for the removal of motion-related artifacts in BISEPI based high resolution fMRI at 7T. The proposed method improves temporal SNR and localization of brain activity.
Figure 1: Procedure of the proposed k-space motion correction (KMoCo) in BISEPI acquired data.
Figure 3: Activity map and stimuli-dependent hemodynamic response as event-related averaging estimated in experiment 2.