Original Research Published on 08 Nov 2017 LSD Increases Primary Process Thinking via Serotonin 2A Receptor Activation in Neuropharmacology Rainer KraehenmannDan PokornyHelena AicherKatrin H. PrellerThomas PokornyOliver G. BoschErich SeifritzFranz X. Vollenweider Frontiers in Pharmacology doi 10.3389/fphar.2017.00814 61,256 views 109 citations