Western blot analysis of eIF2α-P levels in the hypothalamus of mice 4 h (A; n = 4 animals/group) or 7 days (B; n = 6 Veh; 5 AβOs) after a single i.c.v. injection of vehicle (Veh) or 10 pmol AβOs. Graphs show densitometric data normalized by total eIF2α levels. *P = 0.0213. 