Cornelius H Slump

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UNLABELLED The positron emitters (18)F, (68)Ga, (124)I, and (89)Zr are all relevant in small-animal PET. Each of these radionuclides has different positron energies and ranges and a different fraction of single photons emitted. Average positron ranges larger than the intrinsic spatial resolution of the scanner (for (124)I and (68)Ga) will deteriorate the(More)
Introduction Axonal membranes and myelin are known to be the main determinant of diffusion anisotropy in the brain [1]. Myelinated axons are present not only in white matter, but extend radially into the deeper cortical layers crossing with the tangentially oriented myelinated fibers also abundant in these layers [2]. Recently, several studies have shown(More)
Diffusion-weighted imaging (DWI) tractography is a technique with great potential to characterize the in vivo anatomical position and integrity of white matter tracts. Tractography, however, remains an estimation of white matter tracts, and false-positive and false-negative rates are not available. The goal of the present study was to compare postmortem(More)
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