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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Magn Reson Imaging. 2012 Jul 11;30(10):1401–1408. doi: 10.1016/j.mri.2012.05.003

Figure 2.

Figure 2

Comparison between the fMRI maps (colored) arising from alternating left & right visual stimuli, based on the four different sequence schemes given in Figure 1. The positive t-scores (yellow) represent stimulation of the left visual hemifield, while the negative values (purple) correspond to right visual hemifield stimulation. fMRI responses are given for one representative subject out of the four tested, and are shown overlaid on top of a corresponding multi-scan T1-weighted high-resolution FLASH image [ROI = 192×192 mm]. (a) Gradient-Echo EPI (b) Spin-Echo EPI (c) Hybrid SPEN [12] (d) Spatiotemporally-encoded RASER [11].