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PIR (Piriform area) synapses onto PALv (Pallidum, ventral region)

All claims for this connection
Species
Mouse
Result
present
Method
transsynaptic tracer
Sign
unknown
Evidence
The piriform cortex was the largest olfactory source of monosynaptic input to HMSc cholinergic neurons, accounting for about 14% of all whole-brain rabies-labelled neurons and roughly 41% of the olfactory input.
Measurements
  • fraction of labelled neurons: 0.1416 (SEM 0.0341), n = 3
Source

Different Subgroups of Cholinergic Neurons in the Basal Forebrain Are Distinctly Innervated by the Olfactory Regions and Activated Differentially in Olfactory Memory Retrieval

Frontiers in Neural Circuits, 2018

DOI 10.3389/fncir.2018.00099 · PubMed 30483067 · PMC6243045, Figures 2B,C

Licence: CC-BY-4.0

Named in the paper
“PC” and “HMSc (cholinergic neurons)”
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

“PC gave 14.16 ± 3.41% of total inputs and 41% of olfactory inputs to HMSc (n = 3).”

Status

proposed

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