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GPe (Globus pallidus, external segment) synapses onto VTA (Ventral tegmental area)

Species: Mouse
Result: present
Method: transsynaptic tracer
Sign: unknown
Evidence: External globus pallidus neurons were labelled as presynaptic inputs to GABAergic VTA neurons in GAD2-Cre mice, with relative enrichment over dopamine cells.
Source: Drug-induced changes in connectivity to midbrain dopamine cells revealed by rabies monosynaptic tracing
eLife, 2026
DOI 10.7554/elife.93664 · PubMed 42138352 · PMC13179063, Fig. 1B–C, Fig. 1G
Licence: CC-BY-4.0
Named in the paper: “GPe” and “VTA GABAergic cells (GAD2-Cre)”
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) agrees, 2026-10-10
“GPe inputs were imaged and quantified in GAD2-Cre brains and enriched relative to DA cells.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.