The water-tight containers meant that the Titanic should have acted as her own lifeboat, floating until help arrived. Some of the answers, according to scientists, lie in the physics of her construction, the climatic conditions thousands of kilometres away and the iceberg itself.
Fabio Robert et al in his study about posterior fossa meningioma reported that headache (50%) and disturbance of gait (44%) were the most common presenting symptoms, and cranial neuropathies the most common neurological signs on admission.
Posterior fossa / petrous meningioma forms on the underside of the brain and accounts for approximately 10 percent of meningiomas. It can press on the cranial nerves, causing facial and hearing problems. Petrous meningiomas can press on the trigeminal nerve, causing a condition called trigeminal neuralgia.