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In the correlation-based leak location, it is supposed that the correlative components in the spatially separately collected acoustic signals merely result from a leak or leaks. This is why a false leak location will be produced when there is a non-leak acoustic source occurring outside a pipeline. To void a false leak location, it is necessary to detect whether or not a real leak exists in the pipeline...
A fundamental question in theoretical neuro-science is to answer why neural systems can process information extremely fast. Here we investigate the effect of noise and neuronal collaborative activity on speeding up population decoding. We consider a one-dimensional stimulus encoded by a number of integrate-and-fire neurons. We find that 1) when noise is Poissionian, i.e., its variance is proportional...
We study dynamics of neural activity in brain-inspired neural networks which comprise both low and high layers of information processing. Information propagates from the low layer which includes ldquoperipheral neuronsrdquo (PNs), and the dynamics is controlled by the feedback from the higher layer of ldquocentral neuronsrdquo (CNs). We use the Hodgkin-Huxley type model to describe spike generation...
The capacity of the primary visual cortex (Vl) to extract salient contours from real black-and-white images is studied using a neural network model of information processing in V1. The model includes the input from the lateral geniculate nucleus, arranged according to the preferred orientation through a Gabor function, a feedforward inhibition from inhibitory interneurons and lateral connections (both...
Ultrastructural study of inner-ear gravity receptors shows that they are functionally organized as weighted neural networks for parallel distributed processing of acceleratory information. Receptive fields, consisting of type I and type II hair cells, were reconstructed as three-dimensional shaded solids using an IRIS workstation. Three patterns occur in the striola-border direction: rounded, oblong,...
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