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. 2019 Dec 3;13:263. doi: 10.3389/fnbeh.2019.00263

FIGURE 1.

FIGURE 1

Experimental design. 5-HTT +/+, +/−, and −/− mice were accustomed to cup handling and afterwards trained in a discrimination task. Following successful discrimination learning, their cognitive judgment bias was assessed (cf. Krakenberg et al., 2019). Subsequently, they were tested in a battery of behavioral tests to assess their anxiety-like and exploratory behavior.