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This hierarchy measure provides the global level of directedness and regional trophic levels, which we applied to the graph of the generative effective connectivity (GEC) matrix26. This was estimated from whole-brain modeling of the resting state for each session of each patient. The GEC is an ...
First, when comparing FDG-PET scans from CSFAβ42 + /amyR − patients and controls, we found a pattern of cortical hypometabolism encompassing the parietal and frontotemporal regions. Thus, the decrease in CSF Aβ42 alone may be associated with synaptic dysfunction and reduced brain ...
C. 2009 ContraCancrum: segmentation of different tissue types in lung tumors from PET/CT follow-up scans. In Proc. World Congress 2009 on Medical Physics and Bio- medical Engineering, Munich, Germany, 7-12 September 2009 (eds O. Do篓ssel & W. C. Schlegel), pp. 1920-1923. Berlin, ...
Finally, patients with PLADC were further screened according to the following exclusion criteria: (1) patients with a history of chemotherapy, radiotherapy, or other oncologic therapy before CT scans and (2) with an interval of > 1 month between CT imaging and subsequent pathological analysis...
When I go to the doctor and am waiting in the examination room I always notice all the different equipment they have in the room. I don't mind looking at the equipment, but I don't like thinking about all the medical supplies they use. ...
Acta Neuropathologica Communications https://doi.org/10.1186/s40478-019-0837-9 (2019) 7:178 RESEARCH Open Access Different aspects of Alzheimer's disease- related amyloid β-peptide pathology and their relationship to amyloid positron emission tomography imaging and dementia Dietmar Rudolf Thal1,2,...
First, the illumination point spread function (PSFill) corresponds to the light distribution of the laser that scans the object. The size of the PSFill is determined solely by the laser wavelength and the NA of the objective lens. On the one hand, the 488-nm laser line is the most appro...
The method is applied to distinct domains: the investigation of the morphology of printed graphene nanosheets networks, obtained via focused ion beam-scanning electron microscope (FIB-SEM), magnetic resonance imaging of the human brain, and X-ray computed tomography scans of the abdomen. The ...
The parameters set for the mass spectrometer included a full-scan accumulation time of 0.25 s, an MS/MS accumulation time of 0.1 s, GAS1 and GAS2 at 55, a source temperature of 550°C, an ionization spray voltage of 4500V, and a collision energy of 35 for MS/MS scans. The top ...