N. Urban

Publications73
h-index28
Citations3,097
Highly Influential Citations204
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Reciprocal intraglomerular excitation and intra‐ and interglomerular lateral inhibition between mouse olfactory bulb mitral cells
How patterns of odour‐evoked glomerular activity are transformed into patterns of mitral cell action potentials (APs) in the olfactory bulb is determined by the functional connectivity of the cell… Expand
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Intrinsic biophysical diversity decorrelates neuronal firing while increasing information content
Although examples of variation and diversity exist throughout the nervous system, their importance remains a source of debate. Even neurons of the same molecular type have notable intrinsic… Expand
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Activity-dependent gating of lateral inhibition in the mouse olfactory bulb
Lateral inhibition is a circuit motif found throughout the nervous system that often generates contrast enhancement and center-surround receptive fields. We investigated the functional properties of… Expand
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Correlation-Induced Synchronization of Oscillations in Olfactory Bulb Neurons
Oscillations are a common feature of odor-evoked and spontaneous activity in the olfactory system in vivo and in vitro and are thought to play an important role in information processing and memory… Expand
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Relating neural dynamics to neural coding.
TLDR
We demonstrate that two key theoretical objects used widely in computational neuroscience, the phase-resetting curve (PRC) from dynamics and the spike triggered average (STA) from statistical analysis, are closely related when neurons fire in a nearly regular manner and the stimulus is sufficiently small. Expand
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Lateral inhibition in the olfactory bulb and in olfaction
  • N. Urban
  • Biology, Medicine
  • Physiology & Behavior
  • 1 December 2002
Lateral inhibition in the olfactory bulb is mediated by circuits that involve reciprocal dendrodendritic connections between mitral and granule cells. Because of the properties of these connections… Expand
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Intermediate intrinsic diversity enhances neural population coding
Cell-to-cell variability in molecular, genetic, and physiological features is increasingly recognized as a critical feature of complex biological systems, including the brain. Although such… Expand
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Efficient estimation of phase-resetting curves in real neurons and its significance for neural-network modeling.
TLDR
The phase-resetting curve (PRC) of a neural oscillator describes the effect of a perturbation on its periodic motion and is therefore useful to study how the neuron responds to stimuli and whether it phase locks to other neurons in a network. Expand
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Action potential propagation in mitral cell lateral dendrites is decremental and controls recurrent and lateral inhibition in the mammalian olfactory bulb
In the mammalian main olfactory bulb (MOB), the release of glutamate from lateral dendrites of mitral cells onto the dendrites of granule cells evokes recurrent and lateral inhibition of mitral cell… Expand
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Reliability, synchrony and noise
The brain is noisy. Neurons receive tens of thousands of highly fluctuating inputs and generate spike trains that appear highly irregular. Much of this activity is spontaneous - uncoupled to overt… Expand
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