条件化行为的时空动态:一级和更高阶的条件化
Victor M Navarro1, Dominic M Dwyer1, Robert C Honey1
1University of Cardiff, School of Psychology.
概括
在老鼠中,帕夫洛夫的调节产生了不同的目标追踪和信号追踪行为. 在第一级和更高级的条件下,学习在空间和时间上发生的不同,需要精细的模型.
科学领域:
- 行为神经科学 行为神经科学
- 学习和记忆的学习和记忆
- 动物行为 动物行为
背景情况:
- 帕夫洛夫的条件化产生空间和时间上不同的行为,如目标跟踪和标志跟踪.
- 这些行为在条件刺激的持续时间中显示出不同的分布.
研究的目的:
- 评估在第一阶段条件化中空间时间定义行为的发展.
- 为了检查目标跟踪在更高阶条件化的出现.
- 为了识别跨条件化顺序的学习中的分离.
主要方法:
- 实验1:小鼠经历了第一阶段调节,使用不同的刺激序列 (杆→食物或食物→杆) 和间隔 (1s或11s).
- 实验2:老鼠接受了更高阶的调节,将听觉刺激与杆配对,并评估了目标追踪.
- 行为分析侧重于条件反应的空间和时间方面.
主要成果:
- 第一阶调节揭示了基于刺激顺序和间隔的目标跟踪和信号跟踪的时空差异.
- 更高阶的条件表现出了目标跟踪到听觉刺激的出现.
- 在第一阶段和更高阶段的调节之间,在学习的时间和地点上观察到显著的分离.
结论:
- 条件化程序产生复杂的时空行为模式.
- 在帕夫洛夫的条件下,学习在时间和空间上并不均.
- 目前的模型需要改进,以考虑条件反应的细微时间和位置.
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