Two different pathophysiological mechanisms to explain the phenomenology of the visual hallucinations as a result of a wide variety of conditions have been proposed. Visual hallucinations in the context of visual sensory deprivation, migraine and epilepsy seem to be caused by direct excitation of the visual cortex or by de-afferentiation.
Roughly 2 hours and 42 minutes: Titanic struck the iceberg at 11:40pm on the 14th April and sank at 2:20am the next day. When the Titanic hit the iceberg the bottom four floors started flooding and it kept on going until the whole ship split in half and sunk to the bottom of the sea where it split once more into three pieces when it hit the bottom.
RMS Titanic was a British passenger liner that sank in the North Atlantic Ocean in the early morning of 15 April 1912 after colliding with an iceberg during her maiden voyage from Southampton, UK, to New York City, US.itanic sailed only a few hours past the corner on a rhumb line leg of 1,023 nautical miles (1,177 mi; 1,895 km) to Nantucket Shoals Light when she made her fatal contact with an iceberg. The final leg of the journey would have been 193 nautical miles (222 mi; 357 km) to Ambrose Light and finally to New York Harbor.