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. 2016 Mar 29;11(3):e0152307. doi: 10.1371/journal.pone.0152307

Fig 2. Schema for analyzing three-dimensional rotation vectors of eye movements during rotation in mice and the image-processing procedure for analyzing movement of the turntable.

Fig 2

(A) Movements of the turntable and the eyes of the mice were recorded by two high-speed infrared CCD cameras. Images obtained by the two cameras were synchronized. (B) Original image of the markers on the turntable. (C) Same as that in (B) but in a contrast-enhanced image. (D) The center of gravity of the two markers was detected. (E) The movement of the line connecting the two centers of gravity of the markers was calculated to be equivalent to the movement of the turntable.