Precise spiking motifs in neurobiological and neuromorphic data
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866914749371908096 |
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| author | Grimaldi, Antoine Gruel, Amélie Besnainou, Camille Jérémie, Jean-Nicolas Martinet, Jean Perrinet, Laurent U |
| author_facet | Grimaldi, Antoine Gruel, Amélie Besnainou, Camille Jérémie, Jean-Nicolas Martinet, Jean Perrinet, Laurent U |
| contents | Why do neurons communicate through spikes? By definition, spikes are all-or-none neural events which occur at continuous times. In other words, spikes are on one side binary, existing or not without further details, and on the other can occur at any asynchronous time, without the need for a centralized clock. This stands in stark contrast to the analog representation of values and the discretized timing classically used in digital processing and at the base of modern-day neural networks. As neural systems almost systematically use this so-called event-based representation in the living world, a better understanding of this phenomenon remains a fundamental challenge in neurobiology in order to better interpret the profusion of recorded data. With the growing need for intelligent embedded systems, it also emerges as a new computing paradigm to enable the efficient operation of a new class of sensors and event-based computers, called neuromorphic, which could enable significant gains in computation time and energy consumption -- a major societal issue in the era of the digital economy and global warming. In this review paper, we provide evidence from biology, theory and engineering that the precise timing of spikes plays a crucial role in our understanding of the efficiency of neural networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_07866 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Precise spiking motifs in neurobiological and neuromorphic data Grimaldi, Antoine Gruel, Amélie Besnainou, Camille Jérémie, Jean-Nicolas Martinet, Jean Perrinet, Laurent U Neurons and Cognition Why do neurons communicate through spikes? By definition, spikes are all-or-none neural events which occur at continuous times. In other words, spikes are on one side binary, existing or not without further details, and on the other can occur at any asynchronous time, without the need for a centralized clock. This stands in stark contrast to the analog representation of values and the discretized timing classically used in digital processing and at the base of modern-day neural networks. As neural systems almost systematically use this so-called event-based representation in the living world, a better understanding of this phenomenon remains a fundamental challenge in neurobiology in order to better interpret the profusion of recorded data. With the growing need for intelligent embedded systems, it also emerges as a new computing paradigm to enable the efficient operation of a new class of sensors and event-based computers, called neuromorphic, which could enable significant gains in computation time and energy consumption -- a major societal issue in the era of the digital economy and global warming. In this review paper, we provide evidence from biology, theory and engineering that the precise timing of spikes plays a crucial role in our understanding of the efficiency of neural networks. |
| title | Precise spiking motifs in neurobiological and neuromorphic data |
| topic | Neurons and Cognition |
| url | https://arxiv.org/abs/2404.07866 |