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CA3 (Field CA3) synapses onto CA1 (Field CA1)

All claims for this connection
Species
Mouse
Result
present
Method
transsynaptic tracer
Sign
unknown
Strength
strong
Evidence
Monosynaptic rabies tracing from CA1 axo-axonic cells labelled many contralateral CA3 neurons.
Measurements
  • fraction of labelled neurons: 0.29 (SEM 0.024), n = 4
Source

Specific and comprehensive genetic targeting reveals brain-wide distribution and synaptic input patterns of GABAergic axo-axonic interneurons

eLife, 2024

DOI 10.7554/elife.93481 · PubMed 39012795 · PMC11251723, Fig. 8c,e

Licence: CC-BY-4.0

Named in the paper
“CA3 (contralateral)” and “AACsCA1”
Made by
an AI model reading the paper (claude-opus-5-5, extract@0.3.0), 2026-10-10
Checked by

a second AI model (claude-opus-5-5) agrees, 2026-10-10

“Contralateral CA3 provides 29.0 ± 2.4% of inputs to CA1 AACs.”

Status

proposed

Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.