Using an original computer program (Delphi, Windows OS) and a Genius web camera, video recording and quan-titative analysis of horizontal motor activity of 12 nonlinear rats in the test “open field” were carried out. According to the results of the statistical analysis of the horizontal motor activity of rats in the “open field” test, three groups of the examined animals were identified: of low-, medium- and high-activity. To assess the influence of individual-typological characteristics of animals on their behavior, a one-way analysis of variance (ANOVA) was carried out.

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