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BLAa (Basolateral amygdalar nucleus, anterior part) functionally connects to BLAp (Basolateral amygdalar nucleus, posterior part)

Species: Mouse
Result: present
Method: optogenetic circuit mapping
Sign: inhibitory
Evidence: Photostimulating ChR2-expressing adBNST-projecting anterior BLA principal neurons reduced the firing of ovBNST-projecting lateral posterior BLA principal neurons; the suppression was abolished by the GABA-A antagonist picrotoxin, showing it is mediated by local interneurons.
Source: Synergism between two BLA-to-BNST pathways for appropriate expression of anxiety-like behaviors in male mice
Nature Communications, 2024
DOI 10.1038/s41467-024-47966-2 · PubMed 38658548 · PMC11043328, Fig. 8c–e, i
Licence: CC-BY-4.0
Named in the paper: “aBLA→adBNST PNs” and “lpBLA→ovBNST PNs”
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) agrees, 2026-10-09
“aBLA→adBNST PN activation reduced lpBLA→ovBNST PN firing, abolished by picrotoxin.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.