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. 2021 Jan;28(1):17–23. doi: 10.1101/lm.052100.120

Figure 3.

Figure 3.

Effect of change of the ambient light condition on relative preference for the conditioned odor after standard training and after extended training. (A) Relative preferences for peppermint odor shown by two groups of crickets subjected to standard training (four-trial × 1 d of training) under illumination and tested under illumination (standard-same group) or in the dark (standard-different group). Relative preference for peppermint odor shown by another group that received four unpaired presentations of the CS and US (four-trial × 1 d of unpaired training) and was tested under illumination (standard-unpaired group). (B) Relative preferences for peppermint odor shown by two groups of crickets that were subjected to extended training (four-trial × 3 d of training) under illumination and were tested under illumination or in the dark (extended-same group and extended-different group). Relative preference for peppermint odor shown by another group that received four trials × 3 d of unpaired training and was tested under illumination (extended-unpaired group). The odor preferences were determined as PIs for the conditioned odor and are shown as box plots. The top trace in each figure indicates the schedule of the training and the test. Dark or pale bar at the top indicates a day. Statistically significant differences are indicated by asterisks. M–W test, Holm's method, (NS) P > 0.05, (*) P < 0.05, (**) P < 0.01, (***) P < 0.001. The sample size is shown at each graph.