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. 2021 Sep 2;7(9):e07906. doi: 10.1016/j.heliyon.2021.e07906

Figure 1.

Figure 1

Rat colony cage (RCC) with installation of the jump incapacitance recording system. (A) Scheme of RCC. Forty-eight female Sprague Dawley rats were housed in RCCs for 4 weeks of habituation and 13 weeks' experiment. (B) Assembled jump incapacitance unit with shelter (left), cover around jump hole (middle) and USB sensor mat (white arrow). The red line indicates the direction the rat is moving to reach the next level. C) Integration of assembled jump incapacitance recording unit into level 3. TP = Tracking point; JP = Jump Hole; BW = Body weighing station.