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InL (insular lobe) projects to PP (Peripeduncular nucleus)

All claims for this connection
Species
Rat
Result
present
Method
retrograde tracer
Sign
unknown
Strength
strong
Evidence
FG in the PP labelled many layer 5 neurons of the insular cortex, also seen with BDA.
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. 10B; Fig. 5C

Licence: CC-BY-4.0

Named in the paper
“insular cortex (AIP, DI, GI)” and “PP”
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

“Many layer 5 insular cells were labeled by PP FG, and BDA-labeled cells also appear in Fig. 5C.”

Status

proposed

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