The effects of isolation rearing on open-field behavior in male rats depends on developmental stages.

摘要: The effects of the duration isolation and age during on open-field behavior in rats were examined. An inner wall divided floor field into two areas, a peripheral alley center square, subjects' each area was measured. increase tendency to avoid square found isolated their juvenile stage, which disappeared if they reared pairs for long period after isolation. On other hand, subjects postmaturity stage displayed an increased approach whereas sexual maturity had no effect. showed consistent effect; rather, effect depended These findings suggest that affects various ways, depending