On what are you basing this? Because it’s not the Voyager episode.
EMH: There’s a definite neurochemical imbalance in the mesiofrontal cortex.
JANEWAY: Which means what?
EMH: That’s where the Vulcan psycho-suppression systems are located.
Vulcans have biological psych-suppression systems.
Kirk@startrek.website 7 months ago
Actually there is an episode of VOY that proves they did evolve a special brian region to supress emotions