▁dis orders , ▁and ▁tend ▁to ▁occur ▁during ▁the ▁day time ▁and ▁are ▁associated ▁with ▁episodes ▁of ▁excess ▁exc it ability . ▁The ▁D SM - V ▁lists ▁visual ▁hall uc in ations ▁as ▁a ▁primary ▁di agnostic ▁criter ion ▁for ▁several ▁psych otic ▁dis orders , ▁including ▁sch iz op hren ia ▁and ▁sch izo aff ect ive ▁dis order . ▁The ▁lifetime ▁pre val ence ▁of ▁all ▁psych otic ▁dis orders ▁is ▁▁ 3 . 4 8 % ▁and ▁that ▁of ▁the ▁different ▁di agnostic ▁groups ▁are ▁as ▁follows : ▁ 0 . 8 7 % ▁for ▁sch iz op hren ia , ▁ 0 . 3 2 % ▁for ▁sch izo aff ect ive ▁dis order , ▁ 0 . 0 7 % ▁for ▁sch iz op hren iform ▁dis order , ▁ 0 . 1 8 % ▁for ▁del us ional ▁dis order , ▁ 0 . 2 4 % ▁for ▁b ip olar ▁I ▁dis order , ▁ 0 . 3 5 % ▁for ▁major ▁de press ive ▁dis order ▁with ▁psych otic ▁features , ▁ 0 . 4 2 % ▁for ▁subst ance - indu ced ▁psych otic ▁dis orders , ▁and ▁ 0 . 2 1 % ▁for ▁psych otic ▁dis orders ▁due ▁to ▁a ▁general ▁medical ▁condition . ▁Visual ▁hall uc in ations ▁can ▁occur ▁as ▁a ▁sympt om ▁of ▁the ▁above ▁psych otic ▁dis orders ▁in ▁ 2 4 % ▁to ▁ 7 2 % ▁of ▁patients ▁at ▁some ▁point ▁in ▁the ▁course ▁of