Figure 5 | Scientific Reports

Figure 5

From: The geometry as an eyed fish feels it in spontaneous and rewarded spatial reorientation tasks

Figure 5

Transparent experimental apparatus for social cued memory tasks. Photographs of the transparent rectangular apparatus used for social cued memory tasks (Experiment 1 and 2), completely submerged by water and inserted in a larger circular tank covered with black gravel on the floor; (a) the outside of the apparatus; (b) the transparent inner tank with four glass jars at corners and the glass cylinder that was used for housing the experimental fish during the observation period; (c) detail of a fish that is approaching the corner within 1 cm of the jar, therefore coded as an effective choice.

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