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.
Convexity meningiomas: grow on the surface of the brain. They may not produce symptoms until they reach a large size. Symptoms include seizures, neurological deficits, or headaches. Falx and parasagittal meningiomas: grow from the dura fold that runs between the left and right sides of the brain.