| abstract |
(57) [Summary] [Purpose] Diseases for which nicotine acetylcholine receptor increasing action is effective, for example, dementia typified by Alzheimer's dementia, Parkinson's disease, schizophrenia (celebral disease), cerebellar degeneration, Wilson. Disease, Down syndrome, retinitis pigmentosa, Huntington's chorea, tardive dyskinesia, To provide a drug and a drug effective for Treadde syndrome, mania / depression, myasthenia gravis and the like. [Structure] An anti-dementia agent characterized by containing a sesquiterpene having an action of increasing nicotine acetylcholine receptor as an active ingredient |