Andrea Pedrini

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—Neural gas (NG) is a robust vector quantization algorithm with a well-known mathematical model. According to this, the neural gas samples the underlying data distribution following a power law with a magnification exponent that depends on data dimensionality only. The effects of shape in the input data distribution, however, are not entirely covered by the(More)
Membrane carriers can operate bidirectionally. We studied, in rat neocortex synaptosomes, the choline carrier by comparing the ability of the transport inhibitor hemicholinium-3, present outside or inside the nerve terminals, to prevent uptake and release of [(3)H]choline. Because hemicholinium-3 is membrane-impermeable, it was previously entrapped into(More)
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