Fig. 2 Two days following 5 min bilateral carotid occlusion. a Selective decrease of Nissl
staining in the CA1 region of the hippocampus and calcium accumulation in the CA1/CA2
transition zone. b Effect of PPF treatment (10 mg kg
1, intraperitoneal) 15 min prior to cerebral
ischemia on Nissl staining and calcium accumulation. Left: 5 min period of bilateral carotid
occlusion. Right: 12 min period of bilateral carotid occlusion