Fig. 3From: TNF-α - mediated peripheral and central inflammation are associated with increased incidence of PND in acute postoperative painMorris water maze behavioural test results. a The swimming speed of the four groups of rats on POD2. b The value of path difference and latency difference of ITI 20 min, reflecting short-term memory. c The value of the above indicators of ITI 2 h, reflecting the medium long-term memory. All values are expressed as means ±SD, n = 8 per group, * p < 0.05Back to article page