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. Author manuscript; available in PMC: 2013 Apr 23.

Published in final edited form as: IEEE Trans Control Syst Technol. 2012 Mar;20(5):1343–1350. doi: 10.1109/tcst.2011.2162412

Fig. 3 — More general graph of a Bayesian network capturing the relationship between the MAAS score and other observable factors; namely, current and previous objective assessments of facial expression $U_{1}, U_{1}^{'}$ , gross motor movement $U_{2}, U_{2}^{'}$ , guarding $U_{3}, U_{3}^{'}$ , heart rate and blood pressure stability $U_{4}, U_{4}^{'}$ , non-cardiac sympathetic stability $U_{5}, U_{5}^{'}$ , and non-verbal pain scale $U_{6}, U_{6}^{'}$ .