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1999
- handle: 10670/1.4ej37b
- 0214-9915
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Psicothema
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Rat Estrous cycle Estruation Heat in female animals Oestrum Oestrus EstrumCiter ce document
Jorge L. Arias et al., « Active avoidance conditioning in rats: absence of sex difference and estrous effect », Psicothema, ID : 10670/1.4ej37b
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"In this paper, possible differences between male and female rats (Rattus norvegicus)in the acquisition and consolidation of 2-way active avoidance learning are studied.In addition to monitoring behavioural parameters (escape and avoidance), the phase ofthe estrous cycle of the female rats was also recorded in order to establish whether thisphysiological phase affects the animals performance. Other authors reported differentialbehaviour between the sexes and a modulatory effect of the estrous cycle. In contrast, inour study we did not find any differences in the escape and avoidance responses betweenthe sexes and no influence of the estrous cycle. It was only observed a greater malethan female intertrial activity. This contradicts the hypothesis about an organisational oractivational effect of the sex hormones on shuttle-box learning."