A carbamate insecticide; inhibits AChE (IC50 = 13.6 nM for A. gambiae AChE2 expressed in Sf9 cells; Ki. = 5.7 nM for rat brain AChE); decreases the weight of lymphoid organs and serum levels of IL-2, IFN-γ, IL-1β, and TNF-α, while increasing serum levels of IL-4 and IL-10; increases CaMKII, GAP-43, and tau levels in the hippocampus and cortex of mice 24 hours after administration of doses ranging from 0.5 to 20 mg/kg on postnatal day ten