1. Decreased vision, forgetfulness, insomnia, auditory hallucinations, hallucinations, mental retardation, unresponsiveness, unsteady walking, slurred speech, severe aphasia, drooling, incontinence, bedridden up, in a lethargic state.
2. Hearing loss, tinnitus, deafness, disorientation, disordered thinking, fragmented, neglected major things, but tangled in small things, dizziness and headache, often appearing Some kind of pointless action.
3. Personality changes, emotional instability, irritability, willful, selfish, suspicious and sensitive, incoherent, indifferent to others, too fat or thin, walking gait Unsteady, slow movement, severe bedridden, hemiplegia, mixed paralysis, often combined with convulsions and spasms.