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. Author manuscript; available in PMC: 2018 Jan 15.
Published in final edited form as: Neuroimage. 2015 Nov 17;145(Pt B):274–287. doi: 10.1016/j.neuroimage.2015.10.074

Table 3.

Task Characteristics

Study Duration (seconds) Inter-heat interval (seconds) Locations (number of sites) Range of Number of Trials Per Subject Mean proportion of trials excluded (Std. Deviation) Other experimental manipulations
NPS Training Data
Study 1 (NSF) 10 38 Arm (3) 35–48 0.08 (0.07) Masked emotional faces evenly crossed with temperature
NPS Testing Data
Study 2 (BMRK3) 12.5 20.5–28.5 Arm (2) 97 0.1 (0.04) Cognitive self-regulation up and down
Study 3 (BMRK4) 11 25–27 Arm (4), Foot (4) 81 0.08 (0.06) Heat-predictive visual cues (low, medium, or high)
Study 4 (IE) 11 36–38 Arm (6) 48 N/A Heat-predictive visual cues; placebo manipulation
Study 5 (ILCP) 10 17–25 Arm (2) 64 0.05 (0.03) Agency (make choice, observe choice), Certainty (80% low pain, 50% low pain)
Study 6 (EXP) 10 38 Arm (4) 61–64 0.03 (0.04) Heat-predictive auditory cues
Study 7 (SCEBL) 1.85 26–37 Leg (6) 96 0.04 (0.03) Heat-predictive visual cues (low or high) and unreinforced social information

Note: The exclusion criterion was a high variance inflation factor.