Thalamus sends information about arousal but not valence to the amygdala.
Chris A LepplaLaurel R KeyesGordon GloberGillian A MatthewsKanha BatraMaya JayYu FengHannah S ChenFergil MillsJeremy DelahantyJacob M OlsonEdward H NiehPraneeth NamburiCraig WildesRomy WichmannAnna BeyelerEyal Y KimchiKay M TyePublished in: Psychopharmacology (2022)
We conclude that the MGN-BLA projector population acts as both filter and transferer of information by relaying information about the salience of cues to the amygdala, but these signals are not valence-specified.