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PB (Parabrachial nucleus) functionally connects to CEAm (Central amygdalar nucleus, medial part)

Species: Mouse
Result: present
Method: optogenetic circuit mapping
Sign: excitatory
Evidence: Five of eight CRH-negative medial central amygdala neurons showed monosynaptic parabrachial EPSCs upon optogenetic stimulation.
Measurements: connection probability: 0.625, n = 8
Source: Spared nerve injury differentially alters parabrachial monosynaptic excitatory inputs to molecularly specific neurons in distinct subregions of the central amygdala
Pain, 2019
DOI 10.1097/j.pain.0000000000001691 · PubMed 31479066 · PMC6940027, Fig. 4D–F; Results 3.2
Licence: CC-BY-NC-ND-4.0
Named in the paper: “PBn” and “CRH− CeM neurons”
Made by: an AI model reading the paper (claude-opus-5, extract@0.3.0), 2026-10-09
Checked by: a second AI model (claude-opus-5-5) agrees, 2026-10-09
“Five of eight CRH− CeM neurons showed EPSCs (0.625).”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.