Could this be delirium?
D000328:Adult; D000368:Aged; D001928:Brain Diseases, Metabolic / Q000150:complications; D002493:Central Nervous System Diseases / Q000150:complications; D006259:Craniocerebral Trauma / Q000150:complications; D003693:Delirium / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000150:complications; D008297:Male; D008609:Mental Status Schedule; D008875:Middle Aged; D010554:Personality Disorders / Q000175:diagnosis*