SLC6A3 and major depressive disorder: Specifically, several neurotransmitters were linked to the case–control t‐map of MIND, as indicated by significant associations in MDD subtype 1 after FDR correction: 5‐HT2a (β = 0.66, p < 0.001), D1 (β = −0.31, p = 0.017), D2 (β = −0.66, p < 0.001), DAT (β = −0.31, p = 0.017), FDOPA (β = 0.79, p < 0.001), GABAa (β = −0.52, p = 0.001), and SV2A (β = 0.28, p = 0.033).