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Fig. 4 | BMC Biology

Fig. 4

From: The fly liquid-food electroshock assay (FLEA) suggests opposite roles for neuropeptide F in avoidance of bitterness and shock

Fig. 4

Increased sucrose concentration causes reduced current avoidance in food-deprived flies. ac Increasing the sucrose concentration in the food well with higher current reduces flies’ avoidance of that food well. Both total interaction preference (a, **p = 0.002, Kruskal-Wallis test with Dunn’s correction; n = 10, 12, 12 arenas) and proboscis interaction preference (b, ***p = 0.0009, n = 11, 12, 12, 12, 11, 11 arenas, w* Berlin flies) increase significantly with sucrose concentration. Proboscis interaction preference also increases in Canton-S flies (c, **p = 0.0094, *p = 0.0164, n = 8, 8, 7, 8, 8, 7 arenas; 15-min analysis here, and in above panels). A 2-h analysis shows the same qualitative result (d, **p = 0.0077, *p = 0.0391, n = 8, 8, 7, 8, 8, 7 arenas). Flies were food-deprived for 18 h before testing

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