Cited by 337Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionCell Image Analysis Techniques

Dense connectomic reconstruction in layer 4 of the somatosensory cortex

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Motta, Alessandro, Berning, Manuel, Boergens, Kevin M., Staffler, Benedikt, Beining, Marcel, Loomba, Sahil, Hennig, Philipp, Wissler, Heiko +1 more·2019·Science

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Abstract

Brain anatomy revealed in startling detail: The mammalian cerebral cortex is an enormously complex network of neuronal processes that are long and thin, branching, and extremely densely packed. This high packing density has made the reconstruction of cortical neuronal networks challenging. Motta et al. used advanced automated imaging and analysis tools to reconstruct with high spatial resolution the morphological features of 89 neurons and their connections in the mouse barrel cortex. The reconstruction covered an area more than two orders of magnitude larger than earlier neuroanatomical mapping attempts. This approach revealed information about the connectivity of inhibitory and excitatory synapses of corticocortical as well as excitatory thalamocortical connections. Science , this issue p. eaay3134

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Crossref · 10.1126/science.aay3134

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  • The preference of glutamatergic axons for spines and GABAergic axons for shafts is often misinterpreted as implying that synapses on dendritic shafts are mostly SS.

    “However, this characteristic is often misinterpreted as implying that synapses on dendritic shafts are mostly SS (Motta et al., 2019; Karimi et al., 2020; Loomba et al., 2022).”

    From Unambiguous identification of asymmetric and symmetric synapses using volume electron microscopy (2024) · cites this paper as Motta et al., 2019

    The Synaptic specificity section (page unavailable) reports that excitatory glutamatergic axons preferentially innervate spine heads and inhibitory axons preferentially innervate dendritic shafts. It does not say that this preference is often misinterpreted, or establish whether shaft synapses are mostly SS. (LLM, conf=0.84)

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Cites

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2 of the 101 references couldn’t be matched to a known paper.

Research works printed but not linked: 3

  1. Hebb, D.O. (1949). The Organization of Behavior (New York: Wiley).
  2. Latawiec, D., Martin, K.A., and Meskenaite, V. (2000). Termination of the geniculocortical projection in the striate cortex of macaque monkey: a quantitative immunoelectron microscopic study. The Journal of comparative neurology 419, 306- 319.
  3. Rolnick, D., and Shavit, N. (2017). Morphological Error Detection in 3D Segmentations. arXiv 1705.10882v1. · arXiv

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Authors
Motta, A., Berning, M., Boergens, K. M., Staffler, B., Beining, M., Loomba, S., Hennig, P., Wissler, H., & Helmstaedter, M.
Affiliations
  • Max Planck Institute for Brain Research (DE)
  • Max Planck Society (DE)
Corresponding author
  • Motta, Alessandro
  • Berning, Manuel
  • Boergens, Kevin M.
  • Staffler, Benedikt
  • Wissler, Heiko
Venue
Science
Published
2019-11-29
Volume
366
Issue
6469
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2982268628
Cited by
333
References
101
Citations by year
2026: 23 · 2025: 37 · 2024: 62 · 2023: 55 · 2022: 60 · 2021: 52 · 2020: 40 · 2019: 2
FWCI
18.45
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Science (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Max-Planck-Gesellschaft
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Cell Image Analysis Techniques
Keywords
connectome reconstruction, barrel cortex, layer 4, somatosensory cortex, mice, Hebbian synaptic plasticity, long-term potentiation, neural circuits, 3D electron microscopy
MeSH terms
Animals, Axons, Male, Mice, Inbred C57BL, Microscopy, Electron, Neurons, Somatosensory Cortex, Synapses, Neuropil, Imaging, Three-Dimensional, Mice, Connectome

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