Fundamental differences in change detection between vision and audition
Fundamental differences in change detection between vision and audition
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DOI：
10.1007/s00221-010-2226-2
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发表时间：
2010-06-01
影响因子：
2
通讯作者：
Pressnitzer, Daniel
中科院分区：
文献类型：
--
作者：
Demany, Laurent;Semal, Catherine;Pressnitzer, Daniel
我们比较了听觉变化检测视觉变化检测使用密切匹配的刺激和任务的两种方式。在每一次试验中，参与者都会看到一个由十种元素组成的测试刺激：听觉上有各种频率的纯音，视觉上有各种空间位置的点。测试刺激之前或之后由一个单一的元素组成的探针刺激，和两个变化检测任务进行。在“存在/不存在”任务中，探针要么匹配测试刺激的一个随机选择的元素，要么不匹配;参与者报告存在或不存在。在“方向判断”任务中，探针总是相对于测试刺激的一个随机选择的元素稍微移动;参与者报告了移动的方向。而视觉性能系统更好地在本/缺席任务比方向判断任务，相反的是真实的听觉性能。此外，虽然视觉表现强烈依赖于选择性注意和时间间隔分离的测试刺激的探针，这是不是听觉性能的情况。我们的研究结果表明，小的听觉变化可以自动检测到相对较长的时间间隔，使用内隐记忆系统，似乎没有类似的视觉领域。
We compared auditory change detection to visual change detection using closely matched stimuli and tasks in the two modalities. On each trial, participants were presented with a test stimulus consisting of ten elements: pure tones with various frequencies for audition, or dots with various spatial positions for vision. The test stimulus was preceded or followed by a probe stimulus consisting of a single element, and two change-detection tasks were performed. In the "present/absent" task, the probe either matched one randomly selected element of the test stimulus or none of them; participants reported present or absent. In the "direction-judgment" task, the probe was always slightly shifted relative to one randomly selected element of the test stimulus; participants reported the direction of the shift. Whereas visual performance was systematically better in the present/absent task than in the direction-judgment task, the opposite was true for auditory performance. Moreover, whereas visual performance was strongly dependent on selective attention and on the time interval separating the probe from the test stimulus, this was not the case for auditory performance. Our results show that small auditory changes can be detected automatically across relatively long temporal gaps, using an implicit memory system that seems to have no similar counterpart in the visual domain.