Responses to cold, heat, and pain increase locomotion in rats and are attenuated by pinealectomy

J. I. Chuang, M. T. Lin

研究成果: Article同行評審

10 引文 斯高帕斯(Scopus)

摘要

The effects of pinealectomy on locomotor behavior responses to cold, heat or pain were assessed in freely moving rats. External cold (4°C) or heat (36°C) stress produced increases of locomotion (including horizontal and vertical movement, and total distance traveled), increases of number of turnings (including both clockwise and counterclockwise), and decreases of postural freezing in rats. In addition, pain (produced by intradermal injection of normal saline) was also shown to produce increases of locomotion (including horizontal and vertical movement, and total distance traveled) and decreases of postural freezing in rats. The increases of locomotion (including horizontal and vertical movement, and total distance traveled), as well as the decreases of postural freezing induced by either cold or pain, were attenuated by pretreatment of animals with pinealectomy. The heat-induced increases of vertical movement as well as the decreases of postural freezing were also attenuated by pinealectomy. The results indicate that these nonphotic, stress-provoking stimuli act through the pineal gland to induce escape behaviors to try to get out of the stressed conditions in rats.

原文English
頁(從 - 到)583-586
頁數4
期刊Physiology and Behavior
55
發行號3
DOIs
出版狀態Published - 1994 三月

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

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