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[Behavioral changes of rats under rotation stimulation].

Yi-ling Cai1, Wen-ling Ma, Min Li

  • 1Department of Military Hygiene, The Second Military Medical University, Shanghai, China.

Hang Tian Yi Xue Yu Yi Xue Gong Cheng = Space Medicine & Medical Engineering
|June 28, 2005
PubMed
Summary

Pica and conditioned taste aversion (CTA) are specific indices for assessing rotation sickness in rats. Six hours of stimulation using the Crampton model is optimal for studies.

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Area of Science:

  • Neuroscience
  • Behavioral Science

Context:

  • Rotation sickness is a significant challenge in aerospace and defense.
  • Developing reliable indices to measure rotation sickness is crucial for research and training.

Purpose:

  • To evaluate the specificity and efficiency of various behavioral indices for quantifying rotation sickness in rats.
  • To determine the optimal stimulation duration for the Crampton model in rotation sickness studies.

Summary:

  • This study assessed pica or kaolin consumption (KC), saccharine water ingestion (SWI), 2-hour food ingestion (2hFI), and open-field test (OFT) scores in rats exposed to rotational stimulation.
  • KC and CTA demonstrated higher specificity, with KC showing a strong linear correlation (0.94) with stimulation duration up to 12 hours.
  • Optimal efficiency for KC, SWI, 2hFI, and OFT occurred at 6-hour stimulation, with 70%, 90%, 80%, and 95% efficiency, respectively.

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Impact:

  • Pica and CTA can serve as primary indices for rotation sickness, potentially combined with secondary indices like 2hFI or OFT.
  • A 6-hour stimulation period is recommended as the optimal duration for the Crampton model in rotation sickness research.