1.Symptoms of whole brain damage: headache, nausea, vomiting, and in severe cases, varying degrees of confusion. 2, local brain damage symptoms: hemiplegia, that is, weakness of one limb, sometimes manifested as a sudden fall without aura. Hemiplegia, i.e. sudden numbness and discomfort of one side of the face or limb. Partial blindness, i.e., not being able to see on the same side of both eyes. Aphasia, i.e., inability to speak or understand what others and oneself say, and inability to understand or write words and phrases that one used to be able to read or write. Vertigo with nausea and vomiting, feeling of spinning or spinning oneself. Double vision, i.e., seeing things in double vision. Slurred speech, difficulty swallowing or choking on water. Ataxia, i.e. unstable walking, swaying from side to side, uncoordinated movements.