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An open-source closed-loop Virtual Reality system to investigate social interactions and collective behavior in fish

Fig 9

Impact of virtual fish’s swimming speed on real fish’s behavior.

Probability density functions (PDF) of (A) the distance between the real fish and the virtual fish, (B) the swimming speed of the real fish, and (C) the swimming depth of the real fish, for 3 values of the swimming speed of the virtual fish: , 10, and 15 cm/s. The virtual fish (VF) swims at constant depth and distance to the wall in all cases, cm and cm respectively. (DE) Relative position of the real fish in the reference frame of the virtual fish for the three swimming depths, in (D) the xy-plane and (E) the xz-plane. The virtual fish is located at (0,0). The y-axis points in the direction of the fish, and the x-axis is perpendicular to the fish and points outward from the bowl.

Fig 9

doi: https://doi.org/10.1371/journal.pone.0339909.g009