dynamogenesis

noun

dy·​na·​mo·​gen·​e·​sis ˌdī-nə-mō-ˈjen-ə-səs 

plural dynamogeneses -ˌsēz 

: an increase in the mental or motor activity of an already functioning bodily system that accompanies any added sensory stimulation

dynamogenic

-ˈjen-ik 

adjective