Effect of crowding on emotional reactivity in male rats

A. Armario, J. M. Castellanos, J. Balasch

Research output: Contribution to journalArticleResearchpeer-review

52 Citations (Scopus)

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. © 1984 S. Karger AG, Basel.
Original languageEnglish
Pages (from-to)330-333
JournalNeuroendocrinology
Volume39
DOIs
Publication statusPublished - 1 Jan 1984

Keywords

  • Adrenocorticotropin
  • Corticosterone
  • Crowding
  • Emotionality
  • Holeboard
  • Noise stress

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