Influence of double stimulation on sound-localization behavior in barn owls
Influence of double stimulation on sound-localization behavior in barn owls
复制标题
双重刺激对仓鸮声音定位行为的影响
DOI：
10.1007/s00359-014-0953-8
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发表时间：
2014
期刊：
影响因子：
--
通讯作者：
Wagner H
中科院分区：
文献类型：
--
作者：
Kettler L;Wagner H
仓鸮在听到声音后不会立即接近来源，而是等待第二种声音后再出击。这代表了通过避免对随机事件的反应而获得的攻击行为。然而，预计第一个刺激也会改变感知随后的第二个声音的阈值，因此可能会引入一些成本。我们在行为双刺激范式中模拟了这种情况，利用猫头鹰的跳眼头部转动。第一个刺激是一个适配器，出现在前额空间，不会引起头部转动。第二种刺激来自外围源，引起头部转动。两种刺激之间的时间间隔是不同的。在双刺激范式中，将双刺激获得的数据与单刺激从与第二刺激相同的位置收集的数据进行比较。声音定位性能通过响应延迟、准确性和头部转动的精度来量化。双刺激增加反应潜伏期，准确性和精密度降低。效果取决于刺激间隔。这些结果表明，等待第二次刺激确实会增加适应声音定位的成本，这减少了等待第二次刺激所获得的收益。
Barn owls do not immediately approach a source after they hear a sound, but wait for a second sound before they strike. This represents a gain in striking behavior by avoiding responses to random incidents. However, the first stimulus is also expected to change the threshold for perceiving the subsequent second sound, thus possibly introducing some costs. We mimicked this situation in a behavioral double-stimulus paradigm utilizing saccadic head turns of owls. The first stimulus served as an adapter, was presented in frontal space, and did not elicit a head turn. The second stimulus, emitted from a peripheral source, elicited the head turn. The time interval between both stimuli was varied. Data obtained with double stimulation were compared with data collected with a single stimulus from the same positions as the second stimulus in the double-stimulus paradigm. Sound-localization performance was quantified by the response latency, accuracy, and precision of the head turns. Response latency was increased with double stimuli, while accuracy and precision were decreased. The effect depended on the inter-stimulus interval. These results suggest that waiting for a second stimulus may indeed impose costs on sound localization by adaptation and this reduces the gain obtained by waiting for a second stimulus.
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影响因子：
2.4
作者：
Culling, JF;Summerfield, Q
通讯作者：
Summerfield, Q
影响因子：
2.5
作者：
Ingham, NJ;McAlpine, D
通讯作者：
McAlpine, D
影响因子：
2.5
作者：
Gutfreund, Yoram;Knudsen, Eric I.
通讯作者：
Knudsen, Eric I.
DOI：
10.1121/1.1911698
发表时间：
1969-08
期刊：
The Journal of the Acoustical Society of America
影响因子：
--
作者：
B. H. Deatherage;T. R. Evans
通讯作者：
B. H. Deatherage;T. R. Evans
前向掩蔽对猫声音定位的影响：宽带掩蔽器的基本发现。
影响因子：
2.5
作者：
Gai,Yan;Ruhland,JanetL;Yin,TomCT
通讯作者：
Yin,TomCT