Imprecision in Vision: Lessons From Neural Circuits in the Fly.

Overview

1. Fachbereich Biologie, Chemie & Pharmazie, Institut Für Biologie – Neurobiologie, Berlin, Germany
2. Institute of Developmental Biology and Neurobiology, Johannes‐Gutenberg University Mainz, Mainz, Germany

Abstract

Visual systems appear like homogenous structures, where identical functional units repeat themselves across the eye. This architecture is thought to ensure a uniform sampling of the surrounding environment. Furthermore, anatomically and functionally identical properties of single units belonging to the same cell type, yet located across retinotopical positions are thought to ensure translational invariance. At the same time, regional differences and stochastic variations in microcircuit architecture have been linked to the processing of specific visual features. Recent access to connectomic datasets has revealed heterogeneity in visual circuitry that is at odds with these criteria: Cells considered to belong to the same type are variable in number and identity of connected partners, as well as in the relative number of synapses. This variable connectivity suggests that heterogeneous computations, even within defined cell types, is the rule, rather than the exception. It is therefore an exciting question whether these network properties increase functional variability, or even functional robustness, of visual processing.

Reproduced under the paper's license (CC BY), from the paper cited above.

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Data

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Data Availability Statement

Code related to the production of figures in this article is available at github.com/Silieslab/Bioessays_2026_WernetSilies.

Reproduced under the paper's license (CC BY), from the paper cited above.

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Version 1, 30 September 2026: the first record

Recorded: type, language, journal, volume, issue, pages, dates, 2 authors, 6 keywords, 6 MeSH terms, 2 funders, 106 references.

Cite

This paper

Wernet, M. F., & Silies, M. (2026). Imprecision in Vision: Lessons From Neural Circuits in the Fly. BioEssays : news and reviews in molecular, cellular and developmental biology, 48(3), e70122. https://doi.org/10.1002/bies.70122

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