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VTA (Ventral tegmental area) projects to PAG (Periaqueductal gray)

All claims for this connection
Species
Rat
Result
absent
Method
retrograde tracer
Sign
unknown
Evidence
No retrogradely labelled neurons were found in the ventral tegmental area after CTb injection into the dlPAG.
Source

A discrete dopaminergic projection from the incertohypothalamic A13 cell group to the dorsolateral periaqueductal gray in rat

Frontiers in Neuroanatomy, 2013

DOI 10.3389/fnana.2013.00041 · PubMed 24367297 · PMC3853869, Results, A10 cell group
Named in the paper
“ventral tegmental area” and “dlPAG”
Made by
an AI model reading the paper (claude-opus-5-5, extract@0.3.0), 2026-10-10
Checked by

a second AI model (claude-opus-5-5) agrees, 2026-10-10

“The text states the ventral tegmental area had no retrogradely labelled neurons.”

Status

proposed

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