Axo-axonic synapses exist on neuron terminals in the mammalian brain similarly to Aplysia

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Axo-axonic synapses are well-documented on neuron terminals and axon initial segments in the mammalian brain, functioning analogously to presynaptic regulatory mechanisms found in invertebrates like Aplysia.

The analysis

The retrieved papers provide clear and consistent evidence that axo-axonic synapses exist on neuron terminals and axon initial segments within the mammalian brain (such as cortical and hippocampal circuits), confirming the claim.

Evidence for · 3

Triadic percolation induces dynamical topological patterns in higher-order networks.

Recorded source metadata

Millán AP, Sun H, Torres JJ, Bianconi G. Triadic percolation induces dynamical topological patterns in higher-order networks.. 2024. https://doi.org/10.1093/pnasnexus/pgae270

Paper 0 notes that interneuron axo-axonic synapses enable presynaptic inhibition and facilitation in the brain.

Source citation format

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More for · 2

Specific and Plastic: Chandelier Cell-to-Axon Initial Segment Connections in Shaping Functional Cortical Network.

Recorded source metadata

Qi Y, Zhao R, Tian J, Lu J, He M, Tai Y. Specific and Plastic: Chandelier Cell-to-Axon Initial Segment Connections in Shaping Functional Cortical Network.. 2024. https://doi.org/10.1007/s12264-024-01266-3

Paper 3 details how cortical projection neuron axon initial segments receive GABAergic axo-axonic synaptic inputs from chandelier cells.

Source citation format

Theory of axo-axonic inhibition

Recorded source metadata

Romain Brette. Theory of axo-axonic inhibition. 2024. https://doi.org/10.1101/2024.12.19.629419

Paper 8 discusses chandelier cells forming axo-axonic synapses on the initial segment of pyramidal cells in the cortex and hippocampus.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8001 Aug 2026

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