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PreprintarXiv licencearXiv

Feedback to the primary visual cortex is highly concentrated on the central visual field representation

  • Piotr Majka
  • Emmanuel K L Cho
  • Karolina Łabuszewska
  • Thuy Vy Nguyen
  • Marcin Syc
  • Tomasz Walkiewicz
  • Katrina H Worthy
  • Li Zhaoping
  • Marcello Rosa
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Abstract

Retrograde tracer injections in marmoset monkeys revealed a striking feature of neural circuitry in primate visual system: among neurons projecting to the primary visual cortex (striate cortex, V1), the proportion of extrastriate feedback neurons relative to thalamic feedforward neurons decreases markedly with visual field eccentricity. This supports the Central-Peripheral Dichotomy theory, which proposes fundamentally distinct computational specializations --- visual recognition and attentional selection, respectively --- in the central and peripheral visual fields.

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Cite

BibTeXRIS
BibTeX
@misc{majka2026feedback,
  title = {{Feedback to the primary visual cortex is highly concentrated on the central visual field representation}},
  author = {Piotr Majka and Emmanuel K L Cho and Karolina Łabuszewska and Thuy Vy Nguyen and Marcin Syc and Tomasz Walkiewicz and Katrina H Worthy and Li Zhaoping and Marcello Rosa},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.09983},
  eprint = {2610.09983},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.09983},
}
RIS
TY  - UNPB
TI  - Feedback to the primary visual cortex is highly concentrated on the central visual field representation
AU  - Piotr Majka
AU  - Emmanuel K L Cho
AU  - Karolina Łabuszewska
AU  - Thuy Vy Nguyen
AU  - Marcin Syc
AU  - Tomasz Walkiewicz
AU  - Katrina H Worthy
AU  - Li Zhaoping
AU  - Marcello Rosa
PY  - 2026
DA  - 2026/10/07
PB  - arXiv
DO  - 10.48550/arxiv.2610.09983
UR  - https://arxiv.org/abs/2610.09983
AB  - Retrograde tracer injections in marmoset monkeys revealed a striking feature of neural circuitry in primate visual system: among neurons projecting to the primary visual cortex (striate cortex, V1), the proportion of extrastriate feedback neurons relative to thalamic feedforward neurons decreases markedly with visual field eccentricity. This supports the Central-Peripheral Dichotomy theory, which proposes fundamentally distinct computational specializations --- visual recognition and attentional selection, respectively --- in the central and peripheral visual fields.
ER  -