Extinction and spontaneous recovery of spatial behavior in pigeons.

Extinction and spontaneous recovery of spatial behavior in pigeons.
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鸽子空间行为的灭绝和自发恢复。

DOI:
10.1037/xan0000076
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发表时间:
2015
期刊:
Journal of experimental psychology. Animal learning and cognition
影响因子:
--
通讯作者:
Blaisdell,AaronP
Blaisdell,AaronP
中科院分区:
--
文献类型:
--
作者:
Leising,KennethJ;Wong,Jared;Blaisdell,AaronP

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我们在鸽子的触摸屏准备中使用基于地标的食欲搜索任务研究了空间关联的灭绝和自发恢复。四个视觉地标(A、B、C 和 D)分别建立为 8×7 潜在目标位置阵列中隐藏强化目标的信号。目标位于地标 (LM) A 和 C 上方、B 和 D 下方。调节后,A 和 B 熄灭。对 A 和 C 的反应是在灭绝后 2 天通过探针测试评估的,而对 B 和 D 的反应是在灭绝后 14 天进行测试。我们观察到在 14 天而非 2 天的灭绝后保留间隔后从空间灭绝中自发恢复。此外,通过绘制测试期间 X 和 Y 轴响应的空间分布,我们发现对任务中目标响应的自发恢复是由于测试长时间延迟后空间控制的增强(即响应总体分布的变化)。这些结果将空间灭绝和自发恢复添加到支持这一主张的发现列表中,即灭绝涉及减弱最初获得的反应的新学习,并且配对事件之间的空间关系的原始学习在灭绝中幸存下来。(PsycINFO数据库记录(c)2016 APA,保留所有权利)
We investigated extinction and spontaneous recovery of spatial associations using a landmark-based appetitive search task in a touchscreen preparation with pigeons. Four visual landmarks (A, B, C, and D) were separately established as signals of a hidden reinforced target among an 8× 7 array of potential target locations. The target was located above landmarks (LM) A and C and below B and D. After conditioning, A and B were extinguished. Responding to A and C was assessed on probe tests 2 days following extinction, whereas, B and D were tested 14 days after extinction. We observed spontaneous recovery from spatial extinction following a 14-day, but not a 2-day, postextinction retention interval. Furthermore, by plotting the spatial distribution of responding across the X and Y axes during testing, we found that spontaneous recovery of responding to the target in our task was due to enhanced spatial control (ie, a change in the overall distribution of responses) following the long delay to testing. These results add spatial extinction and spontaneous recovery to the list of findings supporting the assertion that extinction involves new learning that attenuates the originally acquired response, and that original learning of the spatial relationship between paired events survives extinction.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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