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. 2010 May 28;4:26. doi: 10.3389/fnbeh.2010.00026

Figure 3.

Figure 3

(A) Choice frequency for S+ of a G. petersii trained to discriminate between a fixed S+ (‘little man’) and six differently shaped objects, symbols of which are shown below each bar along the abscissa. The total number of choices recorded for each column was above 132. (B) Choice frequency of the same fish as in (A) when components of the former S+ were presented with other previously unseen objects. Symbols below each column show the object combination used, with the object above depicting the S+ and the object below the alternative objects used in the tests. N > 44 test trials per column.