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PBG (Parabigeminal nucleus) projects to PILN (posterior group of intralaminar nuclei)

All claims for this connection
Species
Rat
Result
absent
Method
retrograde tracer
Sign
unknown
Evidence
Neither BDA nor FG injections restricted to the PIL labelled any neurons in the parabigeminal nucleus.
Source

Comparison of the connectivity of the posterior intralaminar thalamic nucleus and peripeduncular nucleus in rats and mice

Frontiers in Neural Circuits, 2024

DOI 10.3389/fncir.2024.1384621 · PubMed 38736977 · PMC11082296, Fig. 4M; Results, afferent projections (Fig. 9)

Licence: CC-BY-4.0

Named in the paper
“parabigeminal nucleus (PBG)” and “PIL”
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

“No PBG cells were labeled after either the PIL BDA or the PIL FG injection.”

Status

proposed

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