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MPO (Medial preoptic area) projects to RR (Midbrain reticular nucleus, retrorubral area)

Species: Mouse
Result: present
Method: anterograde tracer
Sign: unknown
Strength: strong
Evidence: Axons of PAG-projecting preoptic neurons densely innervated the retrorubral (A8) dopaminergic cell group.
Source: Circuit and synaptic organization of forebrain-to-midbrain pathways that promote and suppress vocalization
eLife, 2020
DOI 10.7554/elife.63493 · PubMed 33372655 · PMC7793624, Fig. 2—figure supplement 3 (top right); Results, axonal projections
Licence: CC-BY-4.0
Named in the paper: “POAPAG neurons” and “retrorubral/A8 region”
Made by: an AI model reading the paper (claude-opus-5, extract@0.3.0), 2026-10-10
Checked by: a second AI model (claude-opus-5-5) agrees, 2026-10-10
“The results describe dense POAPAG projections to the retrorubral/A8 region.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.