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LHA (Lateral hypothalamic area) functionally connects to VTA (Ventral tegmental area)

All claims for this connection

Species: Mouse
Result: present
Method: optogenetic circuit mapping
Sign: modulatory
Evidence: Photostimulation (30 Hz, up to 30 s) of channelrhodopsin-expressing lateral hypothalamic orexin/dynorphin terminals in slices bidirectionally changed evoked firing of tyrosine hydroxylase-positive VTA neurons: some cells fired more, others less, and a minority were unaffected. The increases persisted with glutamate and GABA-A blockers and were reversed by the orexin-1 receptor antagonist SB334867, the decreases were reversed by the kappa-opioid antagonist NorBNI, and combined antagonists abolished any change, indicating peptidergic (orexin and dynorphin) postsynaptic modulation rather than fast transmission.
Measurements: connection probability: 0.37
connection probability: 0.47
connection probability: 0.41, n = 12
connection probability: 0.41, n = 12
Source: Distinct Neuromodulatory Effects of Endogenous Orexin and Dynorphin Corelease on Projection-Defined Ventral Tegmental Dopamine Neurons
The Journal of Neuroscience, 2024
DOI 10.1523/jneurosci.0682-24.2024 · PubMed 39187377 · PMC11426376, Figs. 1G–M, 2, 3
Licence: CC-BY-NC-SA-4.0
Named in the paper: “LHox/dyn” and “VTADA neurons”
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
“Bidirectional, peptide-mediated modulation with the stated response proportions is reported.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.