T. R. Knösche

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In this work, a method is presented for the transformation of MEG recordings to a standard sensor position. For the case of an 148 channel magnetometer array, the algorithm was evaluated using simulations as well as phantom head recordings. It turned out that the method is very robust and yields accurate results regardless of the position of the field(More)
Introduction: High resolution diffusion-weighted imaging (DWI) and therefore fiber tractography is a challenge at ultra-high field strength. With higher field strength and resolution, susceptibility effects and T2* decay cause increased distortions, drop-outs and image degradation of single-shot EPI (ss-EPI) acquisitions. Parallel imaging can be used to(More)
Introduction: Diffusion-weighted, readout-segmented EPI (rs-EPI) with parallel imaging and 2D navigator correction [1] can provide substantially improved image quality compared to single-shot EPI (ss-EPI) with parallel imaging. The technique achieves a reduction in susceptibility artefacts and T 2 * image blurring by allowing a very short echo-spacing,(More)
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