ArticleNature communications2025
Temporal coding carries more stable cortical visual representations than firing rate over time.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Learning induces activation-mechanism-dependent neural plasticity in an intracortical microstimulation task.Science advances · 2026Article
- Density-based longitudinal neuron tracking in high-density electrophysiological recordings.Patterns (New York, N.Y.) · 2026Article
- Contribution of spike timing to the neural code: from fast to slow timescales.Biological cybernetics · 2026Review
- The neural code of perceptual inference.Molecular brain · 2026Review
- Disentangling Stimulus & Population Dynamics in Mouse V1: Orthogonal Subspace Decomposition for Neural Representation.bioRxiv : the preprint server for biology · 2025Article
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Abstract
Stably representing recurring visual scenes is crucial for behavior. However, previous studies report varying degrees of gradual neural activity changes over time in slow dynamic (1-5 seconds) firing rate code. Here we show that temporal codes, which capture structures in visually evoked fast (tens of milliseconds) spiking patterns, support the stability of visual representations. We tracked the spiking responses of the same visual cortical populations in male mice for 15 consecutive days using custom-developed, large-scale, ultraflexible electrode arrays. Across various stimuli, neurons exhibited different day-to-day stability in their firing rate-based tuning. The across day stability correlated with tuning reliability. Notably, temporal codes increased single neuron tuning stability, especially for less reliable neurons. Temporal coding further improved population representation discriminability and decoding accuracy. The stability of temporal codes was more correlated with network functional connectivity than rate coding. Thus, temporal coding may be essential in ensuring consistent sensory experiences over time.
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