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. 2009 Feb 13;30(10):3102–3114. doi: 10.1002/hbm.20732

Figure 2.

Figure 2

Shown are the differences in CBF between drug conditions in each caffeine state to explore the repeated‐measures ANOVA interaction between caffeine use and caffeine state. In the abstained state (AP‐AC), caffeine reduced CBF equally among the caffeine use groups. In the native state (NP‐NC), caffeine reduced CBF more among the low users than the high users (p < 0.005). Reductions in CBF following caffeine were smaller among the moderate and high users in the native state compared to the abstained state (p < 0.001). Error bars are SEM.