Effects of the lesion of the postcommissural part of the septum on the behavior of the rat. |
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Authors: | M P Santacana T de Azcarate M C Muńoz |
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Institution: | Departamento de Biofisica, Centro de Investigaciones Biologicas Velazquez 144, Madrid, Spain |
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Abstract: | The effects of the lesion of the postcommissural part of the septum on behavior of the rat has been studied. Results may be summarized as follows. An increase in the exploratory behavior in the open field which decreases rapidly; a decrease in the number of defecations in this test and a decrease in time leaving a dark environment for exploration. In the shuttle box test, no facilitation of the acquisition, but a permanent and quite significant increase in the intertrial activity has been found. We conclude that the lesions tend to decrease the emotivity of the subjects. An interpretation on the basis of the species -- specific defensive reactions explains the transitory and permanent effects of the lesions on the spontaneous activity. |
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Keywords: | Septum Avoidance conditioning Open field Extinction |
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