Migraine most frequently causes simple visual hallucinations, but complex visual hallucinations may occur in basilar migraine and familial hemiplegic migraine. In contrast to hallucinations in migraine aura, complex visual hallucinations in basilar migraine appear at a late stage of an attack usually following symptoms of brainstem and cerebellar dysfunction or at recovery from coma.
The building of the Titanic took 2 years, 2 months. Construction  began on 31 March 1909. It was launched on 31 May 1911.   it took three years to completely construct anâ¦d outfit the titanic  but the building of the titanic was on march 31,1909 It took 2 years. From 1909 to 1911.
The Titanic took almost three hours to sink, giving at least some of the passengers time to regain their cool and remember their manners. Women were up to 54 per cent more likely to have lived than men, and under-15s were 32 per cent more likely to survive than the over-50s.