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.
Larger tumors may cause symptoms, depending on the size and location. Focal seizures may be caused by meningiomas that overlie the cerebrum. Progressive spastic weakness in legs and incontinence may be caused by tumors that overlie the parasagittal frontoparietal region. [citation needed]