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. Author manuscript; available in PMC: 2016 Jul 26.
Published in final edited form as: Exp Physiol. 2013 Jul 12;98(11):1597–1607. doi: 10.1113/expphysiol.2013.074104

Figure 3. End-tidal carbon dioxide tension (PET,CO2) expressed as absolute values (top panels) and as the change from baseline (bottom panels; ΔPET,CO2) over time during 1 Back, 2 Back, 3 Back and 4 Back tests (means ± SD) in normothermia (open circles) and hyperthermia (filled circles).

Figure 3

The vertical dashed line indicates the start of each nBack test; the horizontal continuous black line (in ΔPET,CO2 graphs) indicates zero (or no change). *Significantly different (P ≤ 0.019) from normothermia; and †significant (P ≤ 0.040) main effect of time. Owing to the large number of potential comparisons, pairwise comparisons were not conducted in this analysis.