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1988 Fiscal Year Final Research Report Summary

Behavior-genetical. physio-biochemical. and ecological study on the genesis of individual differences in behavior.

Research Project

Project/Area Number 61450010
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field Psychology
Research InstitutionInstitute of Psychology, University of Tsukuba

Principal Investigator

FUJITA Osamu  University of Tsukuba, Professor, 心理学系, 教授 (50015426)

Co-Investigator(Kenkyū-buntansha) KATOH Hiroshi  University of Tsukuba, Assistant, 心理学系, 助手 (50177466)
MAKINO Junsiro  University of Tsukuba, Assosiate Professor, 心理学系, 助教授 (60015443)
IWASAKI Tsuneo  University of Tsukuba, Professor, 心理学系, 教授 (70092509)
Project Period (FY) 1986 – 1988
KeywordsEmotinal Reactivity / Selective Breeding / Behavior Analysis / Genetic Analysis / Digging Behavior / 選択交配 / 脳内物質
Research Abstract

The object of this study is to determine the causes and the processes of the genesis of indvivdual differences in behavior. Behavior-genetical. Physio-biochemical. and ecological studies on these problems were performed by using of two inbred strains of rats which had been selected for high and lowemotional reactivity in university of Tsukuba.
1. Tsukuba Emotinal Strains (THE and TLE) and their derived four hybrids (F1, F2, B1, B2) were tested for their emotionality in a runway. The resulting data from ambulation. Defecation and other behavioral measures were subjected to the Mendelian cross analysis. Additive effects were detected in all behavioral measures. Directional dominance toward less emotionality was detected in male, wheres in female dominance was absent. Genetic correlations among three behavioral measures which indicated emotionality were found. Heritability and the number of locus related were estimated.
2. Tsukuba Emotional Strains were examined whether selection-assoslated … More differences in brain regional contents of catecholamines, seletonin, and their metabolltes exit or not. Two strains significantly differed with regard to adrenaline, noradrenaline, dopamine, seretonin, 5-hydroxyinodoleacetic acid, 3,4-dihydroxyphenylacetic acid, and 3-methoxytryramine.
3. Tsukuba Emotinal Strains were significantly different on their behaviors in an openfield with shelter, a straight runway with two end-compartments, and an i-mazy. Strain differences of hoarding behavior, digging behavior, and aggressive behavior were also detected between THE and TLE.
4. The taste-aversion conditioning in which taste of NaCl was paired with an illness induced by an injection of lithium chloride was conducted on Tsukuba Emotional Strains. Both strains acquired taste aversion conditioning after one trial, and they retained this for four days. TLE, however, extingwished the taste aversion faster than THE.
5. Behavioral measures of rats and mice in a runway, an openfield. and an i-maze were analyzed by the mothod of principal component analysis.
6. Population size of both strains bred in a seminatural field for three years would be related to the characteristics of male's sexual behavior. Less

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] 増井誠一郎: 薬物・精神・行動. 7. 207-208 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 藤田統: 筑波大学心理学研究. 10. 53-67 (1988)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 北岡明佳: 筑波大学心理学研究. 10. 69-78 (1988)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 藤田統: 筑波大学心理学研究. 11. (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 北岡明佳: 筑波大学心理学研究. 11. (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 増井誠一郎: 心理学研究. 60. (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] MASUI, Seiichiro: "Comparison of regional catecholamines. seretonin and their metabolites levels in the brain of two strains of rats selectively bred for difference in behavioral response to novelty." Japanese Journal of Psychopharmacology.7. 207-208 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] FUJITA, Osamu: "Genetic determinant of emotinal reactivity in the Runway Test and behavioral differences in the Open-field with Shelter in the Tsukuba Emotional Strains of rats." Tsukuba Psychological Research.10. 53-67 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] KITAOKA, Akiyoshi: "Behavior of Tsukuba Emotional rats in the straight runway with two compartments on the ends." Tsukuba Psychological Research.10. 69-78 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] FUJITA, Osamu: "Taste aversion learning in the Tsukuba Emotional Strains of rats --- Behaivioral differences in the Tsukuba Emotional Strains of rats (51) ---." Tsukuba Psychological Research.11. (1989)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] KITAOKA, Akiyoshi: "Comparison of rat's behavior in "Forced situation" and "Forced-Free situation"." Tsukuba Psychological Research.11. (1989)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] MASUI, Seiichiro: "The genetic architecture of emotinality in rats using Mendelian cross analysis." Japanese Journal of Psychology.60. (1989)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1990-03-20  

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