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. 2013 Nov 15;8(11):e78058. doi: 10.1371/journal.pone.0078058

Figure 1. Overview of the setup.

Figure 1

Four monitors are screwed into a PVC box. Top and bottom mirrors create the illusion of infinite profundity and hinder the animal from leaving the platform. A camera above the platform is used to monitor the inside of the arena. The stimulus parameters, the video recording of the behaving animal and the head-tracking can be observed by the experimenter on a fifth monitor.