24 Citations (Scopus)

Abstract

Several studies have shown the relevance of the neuroendocrinological system in the development and function of the nervous system. In order to observe the influence of thyroid hormones during development on the behaviour of adult rats we induced dysthyroid states during the perinatal period. Results indicate that some behaviours are more susceptible to the action of thyrpid hormones than others. We observed that the thyroid hormone deficiency causes an increase of activity in animals in spite of a large period of rehabilitation. Thyroxine-treated rats showed an anxiogenic behavioural pattern in the elevated plus-maze, while animals rehabilitated from perinatal deficit of thyroid hormones showed an anxiolitic pattern. These findings suggest that an excess of thyroid hormones has less effect on behaviour than a deficiency of these hormones. © 1995.
Original languageEnglish
Pages (from-to)159-164
JournalBehavioural Brain Research
Volume68
DOIs
Publication statusPublished - 1 Jan 1995

Keywords

  • Dysthyhroidism
  • Methimazole
  • Thyroid hormone
  • Thyroxine

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