What symptoms can brain diseases cause?

Brain disease is a neurological disorder. The symptoms of brain disease are too wide to be described in detail, but can only be answered roughly, including the following aspects: first, consciousness disorders, manifested as lethargy, lethargy, coma, and special types of consciousness disorders; second, cognitive disorders, manifested as memory loss, aphasia, computational impairment, apraxia, and dementia; and third, headache, seizures, syncope, and vertigo. Fourth, showing visual impairment, hearing impairment and eye movement disorders. Fifth, showing motor disorders, paralysis, muscle atrophy and weakness. Sixth, showing sensory disorders, manifested as shallow sensory and deep sensory disorders, and ataxia. Seventh, autonomic nervous dysfunction, defecation dysfunction.