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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Behav Brain Res. 2012 May 23;233(2):415–421. doi: 10.1016/j.bbr.2012.05.024

Figure 6.

Figure 6

Zebrafish that received the paired training show significant preference towards the zone marked by the red cue card and also towards the location of the zone that used to contain the stimulus fish. The data are expressed as percent of time spent per unit of area of the tank. Mean ± S.E.M. are shown, sample sizes (n) equal 10 in each group. Random chance is indicated by the straight horizontal line. Two types of probe trials are administered: one set of fish are given a probe in which the red cue card is presented (cue card) and another set of fish are given a probe in which no cue card is present (during this probe trial the fish may find the location of the previous target based on extra-maze visual cues). Note that fish of the paired training group show a significantly stronger preference towards both the red cue card and also towards the location where the stimulus fish used to be presented, as compared to the fish that received the not-paired training. Also note that performance of the paired training group is significantly above chance for both the red cue card as well as the location whereas the performance of the not-paired group is statistically indistinguishable from chance.