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4 papers · 1 filter
Effects of nongaussian diffusion on "isotropic diffusion measurements'': an ex-vivo microimaging and simulation study
Sune Nørhøj Jespersen, Jonas Lynge Olesen, Andrada Ianuş +1
Designing novel diffusion-weighted pulse sequences to probe tissue microstructure beyond the conventional Stejskal-Tanner family is currently of broad interest. One such technique,…
Accurate estimation of microscopic diffusion anisotropy and its time dependence in the mouse brain
Andrada Ianuş, Sune N. Jespersen, Teresa Serradas Duarte +3
Microscopic diffusion anisotropy (μA) has been recently gaining increasing attention for its ability to decouple the average compartment anisotropy from orientation dispersion. Adv…
Learning arbitrary dynamics in efficient, balanced spiking networks using local plasticity rules
Alireza Alemi, Christian Machens, Sophie Denève +1
Understanding how recurrent neural circuits can learn to implement dynamical systems is a fundamental challenge in neuroscience. The credit assignment problem, i.e. determining the…
Diffusion time dependence of microstructural parameters in fixed spinal cord
Sune Nørhøj Jespersen, Jonas Lynge Olesen, Brian Hansen +1
Biophysical modelling of diffusion MRI is necessary to provide specific microstructural tissue properties. However, estimating model parameters from data with limited diffusion gra…