从糖糖转换为糖:通过快乐的变化,延长连续的负对比度无法维持
Simone Rehn1, Robert A Boakes1, Dominic M Dwyer2
1University of Sydney, School of Psychology.
Journal of experimental psychology. Animal learning and cognition
|October 26, 2023
概括
鼠在品尝了糖糖后减少了糖摄入量,这是一种持久的效果,与典型的连续负对比 (SNC) 不同. 这表明,品质味觉的转变可能涉及有条件的味觉厌恶 (CTA).
科学领域:
- 行为神经科学 行为神经科学
- 动物行为 动物行为
- 味道感知是一种感知.
背景情况:
- 以往使用诸如糖糖之类的可口溶液的经验,降低了老鼠对糖的接受度.
- 这种现象类似于连续负对比 (SNC),其中一个不太喜欢的解决方案在一个更喜欢的解决方案之后被值.
- 标准的SNC效应通常是短暂的,并与未移动的控制器进行测量.
研究的目的:
- 为了调查糖转换为糖后减少糖消费的持续性.
- 将这种效应与传统的SNC进行比较,并探索潜在的机制.
- 分析的微观结构,以了解快乐的价值抑制.
主要方法:
- 鼠被暴露于糖糖,其次是糖,与对照组相比,它们的消费量更高.
- 用的微观结构分析来评估模式的变化.
- 评估了消费抑制和享乐价值变化的持续性.
主要成果:
- 与对照组相比,从糖糖转变为糖导致糖消费持续减少.
- 的微观结构分析显示,糖的享乐价值的抑制不那么持久.
- 观察到持续消费抑制和暂时享乐价值抑制之间的分离.
结论:
- 糖糖降低后,糖糖消耗的持续降低与短暂的SNC效应不同.
- 定性味道下移可能涉及类似于条件味道厌恶 (CTA) 的机制.
- 需要进一步的研究来阐明CTA在这些持久性影响中的作用.
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