To use this method, it is necessary to have equipment that automatically detects the number of times the experimental animal passes a certain section of the infrared beam. One of them measures locomotor activity in an open field where an infrared beam is installed. In recent years, laboratory instruments and equipment have been developed to automatically measure locomotor activity. Although this analyzing method has been widely used, it takes a long time to measure the locomotor activity because it analyzes this activity mannually. Classical method analyzing locomotor activities in the open field test have been measured indirectedly by the number of times the mouse passes crossed lines. The open field test measures locomotor activity by allowing the experimental animal to move freely in a square transparent box. Locomotor activity has been mostly assessed in the open field test. Thus, locomotor activity is a useful behavioral indicator that can reflect various mental functions. Moreover, it is used to assess anxiety or addiction tendencies. Locomotor activity is also an indicator that shows manic-like behavior and depressive-like behavior. In addition, changes in locomotor activity are used to evaluate the effectiveness of drugs. Animal studies on brain function usually use rats or mice to measure locomotor activity. Locomotor activity in animals refers to the movement of an animal from one place to another.
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