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.
She sailed from southampton england on the 10th april 1912 and hit the iceberg at 11.40pm on the 14th april 1912, She sunk on the 15th april at 3.40am so the voyage length was â¦ just above 4 days. However captain smith expected his arrival in new york on the 17th april 1912. a sailing time of seven days.he Titanic was concidered as the largest, fastest and the most luxuirous ship of her time, to prove this, people wanted the Titanic to get to New York in seven days. Unfortunatly the Titanic sank after hitting an ice-burg which tore a hole that was 83 feet long and 9 feet wide.