Fig. 4From: Electric vagal nerve stimulation inhibits inflammation and improves early postoperation cognitive dysfunction in aged ratsThe TNF-Ī± protein in hippocampus. a TNF-Ī± protein in hippocampus was higher than that of other groups, Pā<ā0.05. But TNF-Ī± of the C and SV group were similar. *Pā<ā0.05, comparing to the C group, #Pā<ā0.05 comparing to the SV group (b)Back to article page