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PreprintCC BYbioRxiv

Neural mechanisms for resilient sensory computation under metabolic stress

  • S. H. Castedo
  • Z. Padamsey
  • N. L. Rochefort
  • R. Monasson1
  1. 1Laboratoire de Physique de l'École Normale Supérieure
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Abstract

Food-restricted mice can solve visual discrimination tasks despite reduced synaptic currents and increased noise resulting from cellular changes in the primary visual cortex. Combining neural recordings and modeling, we study the population structure of the noise and show it is mainly concentrated along task-irrelevant directions in high-dimensional population activity, hence preserving coding on the low-dimensional stimulus manifold. In addition, we predict that food restriction shortens decision times, conserving energy but limiting the evidence accumulation needed for fine discrimination.

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Cite

BibTeXRIS
BibTeX
@misc{castedo2026neural,
  title = {{Neural mechanisms for resilient sensory computation under metabolic stress}},
  author = {S. H. Castedo and Z. Padamsey and N. L. Rochefort and R. Monasson},
  howpublished = {bioRxiv},
  year = {2026},
  month = oct,
  doi = {10.64898/2026.10.29.761790},
  url = {https://www.biorxiv.org/content/10.64898/2026.10.29.761790v1},
  note = {CC BY},
}
RIS
TY  - UNPB
TI  - Neural mechanisms for resilient sensory computation under metabolic stress
AU  - S. H. Castedo
AU  - Z. Padamsey
AU  - N. L. Rochefort
AU  - R. Monasson
PY  - 2026
DA  - 2026/10/29
PB  - bioRxiv
DO  - 10.64898/2026.10.29.761790
UR  - https://www.biorxiv.org/content/10.64898/2026.10.29.761790v1
AB  - Food-restricted mice can solve visual discrimination tasks despite reduced synaptic currents and increased noise resulting from cellular changes in the primary visual cortex. Combining neural recordings and modeling, we study the population structure of the noise and show it is mainly concentrated along task-irrelevant directions in high-dimensional population activity, hence preserving coding on the low-dimensional stimulus manifold. In addition, we predict that food restriction shortens decision times, conserving energy but limiting the evidence accumulation needed for fine discrimination.
ER  -