| abstract |
(57) [Summary] [Object] The present invention aims to provide a medicament useful for the treatment of senile dementia. [Structure] The present invention has an action of increasing choline acetyltransferase activity of primary culture septal area cells, which is an index of neurotrophic factor activity, and is intraperitoneal in rats and scopolamine in which the basal forebrain is destroyed. It is a brain function improving agent containing Kami-nen-to, which has an effect of improving passive avoidance learning deficits in a memory-impaired model rat induced by administration, as an active ingredient. |