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      Effect of Crowding on Emotional Reactivity in Male Rats

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          Abstract

          The effect of two different population densities (3 and 9 animals/cage) on emotional reactivity, measured by their performance in an exploratory box, and pituitary-adrenal response to acute noise stress are compared. The crowded rats showed a higher defecation rate and lower exploratory activity than the control rats. Adrenocorticotropin (ACTH) response to noise was higher in the crowded than in the control rats. The results clearly indicate that crowding increased emotional reactivity in adult male rats.

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          Author and article information

          Journal
          NEN
          Neuroendocrinology
          10.1159/issn.0028-3835
          Neuroendocrinology
          S. Karger AG
          0028-3835
          1423-0194
          1984
          1984
          28 March 2008
          : 39
          : 4
          : 330-333
          Affiliations
          aDepartamento de Fisiología Animal, Facultad de Ciencias, Universidad Autónoma de Barcelona, y bLaboratorio de Hormonas, Hospital General Valle Hebrón, Barcelona, España
          Article
          124000 Neuroendocrinology 1984;39:330–333
          10.1159/000124000
          6092987
          © 1984 S. Karger AG, Basel

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          Page count
          Pages: 4
          Categories
          Original Paper

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