Development of temporal contrast sensitivity in human infants

Development of temporal contrast sensitivity in human infants
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人类婴儿时间对比敏感度的发展

DOI:
10.1016/s0042-6989(96)00300-8
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发表时间:
1997
期刊:
影响因子:
1.8
通讯作者:
R. Manny
R. Manny
中科院分区:
心理学3区
文献类型:
--
作者:
T. Rasengane;D. Allen;R. Manny

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人类时间对比敏感度功能发展的时间进程是不确定的。一些研究表明,婴儿的时间对比敏感性尚不成熟。然而,早期的研究表明,关键的闪烁融合在2个月时就和成年人一样了。我们追踪了2、3和4个月大的婴儿对均匀场闪烁的时间对比敏感度的发展,使用了一种改进的优先观看技术,采用了评分量表。两个月大的婴儿在1和2赫兹时表现出最高的敏感性。3个月和4个月的婴儿分别表现出4和8 Hz的峰值灵敏度。整体时间对比敏感度随年龄增长而增加,峰值频率向更高的时间频率移动。使用这种模式,没有婴儿受试者对测试的最高时间频率32hz表现出反应。
The time course for the development of the temporal contrast sensitivity function in humans is uncertain. Some studies indicate that temporal contrast sensitivity is immature in infants. However, earlier work suggests that critical flicker fusion is adult-like by 2 months. We traced the development of temporal contrast sensitivity to uniform field flicker in 2-, 3- and 4-month-old infants using a modified preferential-looking technique that employed a rating scale. Two-month-old infants exhibited highest sensitivities at 1 and 2 Hz. Three- and 4-month infants exhibited peak sensitivity at 4 and 8 Hz, respectively. Overall temporal contrast sensitivity increased with age and the peak frequency shifted toward higher temporal frequencies. Using this paradigm, no infant subjects showed responses to 32 Hz, the highest temporal frequencies tested.
DOI: 10.1364/josaa.2.000393
发表时间: 1985-01-01
影响因子: 1.9
作者:
TYLER, CW
通讯作者: TYLER, CW
DOI: 10.1364/josaa.5.002166
发表时间: 1988-12-01
影响因子: 1.9
作者:
MOVSHON, JA;KIORPES, L
通讯作者: KIORPES, L
DOI: 10.1016/s0161-6420(84)34247-6
发表时间: 1984-06
期刊: Ophthalmology
影响因子: 13.7
作者:
A. Hendrickson;Cristine Yuodelis
通讯作者: A. Hendrickson;Cristine Yuodelis