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Bar graph showing the mean amount of time (s) animals explored each of four sample objects present in the testing field. Control (CTRL), gonadectomized (GDX), and GDX rats given testosterone propionate (GDX-TP) or estradiol (GDX-E) all spent significantly (*) more time with large/complex objects (A), significantly to near-significantly (#, p<0.07) less time with small/smooth objects (D), and intermediate amounts of time with large/smooth (B) and small/complex (C) objects.
