http://www.newsnation.in/lifestyle/others/schizophrenia-nicotine-to-normalise-impairments-in-brain-activity-discovered-article-158994.html
The study found that when mice with schizophrenic characteristics were given nicotine daily, their sluggish brains activity increased within two days. Within one week it had normalised. "Basically the nicotine is compensating for a genetically determined impairment. No one has ever shown that before," causes of said Stitzel.