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- W4385227149 abstract "Recently, interest has grown in exploring the hypothesis that neural activity conveys information through precise spiking motifs. To investigate this phenomenon, various algorithms have been proposed to detect such motifs in Single Unit Activity (SUA) recorded from populations of neurons. In this study, we present a novel detection model based on the inversion of a generative model of raster plot synthesis. Using this generative model, we derive an optimal detection procedure that takes the form of logistic regression combined with temporal convolution. A key advantage of this model is its differentiability, which allows us to formulate a supervised learning approach using a gradient descent on the binary cross-entropy loss. To assess the model's ability to detect spiking motifs in synthetic data, we first perform numerical evaluations. This analysis highlights the advantages of using spiking motifs over traditional firing rate based population codes. We then successfully demonstrate that our learning method can recover synthetically generated spiking motifs, indicating its potential for further applications. In the future, we aim to extend this method to real neurobiological data, where the ground truth is unknown, to explore and detect spiking motifs in a more natural and biologically relevant context." @default.
- W4385227149 created "2023-07-25" @default.
- W4385227149 creator A5010769763 @default.
- W4385227149 date "2023-07-21" @default.
- W4385227149 modified "2023-10-18" @default.
- W4385227149 title "Accurate Detection of Spiking Motifs by Learning Heterogeneous Delays of a Spiking Neural Network" @default.
- W4385227149 doi "https://doi.org/10.1007/978-3-031-44207-0_31" @default.
- W4385227149 hasPublicationYear "2023" @default.
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