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. 2011 Dec 14;6(12):e26887. doi: 10.1371/journal.pone.0026887

Figure 8. Learning curves for the water-filled tube/sand-filled tube discrimination task during the stone dropping and searching paradigms.

Figure 8

The solid line shows the learning curve for the stone dropping task (Experiment 4). The dashed line shows the learning curve for the searching task (Experiment 8).