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BLA (Basolateral amygdalar nucleus) projects to CEA (Central amygdalar nucleus)

Species: Mouse
Result: present
Method: anterograde tracer
Sign: unknown
Evidence: After injecting Cre-dependent ChR2-mCherry or eNpHR3.0-EYFP virus into the BLA of CaMKII-Cre mice, labelled axonal fibers were present in the CeA, where optical fibers were implanted and terminal photostimulation was performed.
Source: Switching of delta opioid receptor subtypes in central amygdala microcircuits is associated with anxiety states in pain
Journal of Biological Chemistry, 2021
DOI 10.1016/j.jbc.2021.100277 · PubMed 33428940 · PMC7948800, Fig. 3, A, B and H; Experimental procedures
Licence: CC-BY-4.0
Named in the paper: “BLA” and “CeA”
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) disagrees, 2026-10-09
“The cited panels and text show viral expression only at the BLA injection site; the paper never shows or describes labelled BLA fibers in the CeA as tracing evidence.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.