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The present study used a genetic model of rats previously developed by V. C. Gomes and Landeira-Fernandez (2008), in which two new lines of Wistar rats were selectively bred for high and low levels of freezing in response to contextual cues previously associated with foot-shock, termed Carioca High- and Low-Freezing (CHF and CLF, respectively). Given the potential of this model as a tool for studying the development of anxiety disorders, the main objective of the present study was to analyze two different generations of selected rats in two other emotionality tests, the EPM and forced swim test (FST), and test the aversive memory in the contextual fear conditioning paradigm.