Rose S A
Child Dev. 1983 Oct;54(5):1189-98.
This study investigated the effect of increasing familiarization time on the visual recognition memory of 6- and 12-month-old full-term and preterm infants. Infants were given trials in which they viewed a shape for either 10-, 15-, 20-, or 30-sec familiarization and were then tested for visual recognition memory using the paired comparison technique. While the older infants showed evidence of recognition memory after less familiarization time than the younger ones, at both ages preterms required considerably longer familiarization than full-terms. The pattern of performance replicates our earlier finding of developmental lags in the visual information processing of 6-month-old preterms and extends these findings to 12-month-olds. These results suggest that there are persistent differences between preterm and full-term infants throughout at least the first year of life in this very fundamental aspect of cognition.
本研究调查了增加熟悉时间对6个月和12个月大的足月儿和早产儿视觉识别记忆的影响。对婴儿进行测试，让他们分别观看一个形状10秒、15秒、20秒或30秒进行熟悉，然后使用配对比较技术测试视觉识别记忆。虽然年龄较大的婴儿在比年龄较小的婴儿更短的熟悉时间后就表现出识别记忆的迹象，但在两个年龄段，早产儿所需的熟悉时间都比足月儿长得多。这种表现模式重复了我们早期关于6个月大早产儿视觉信息处理存在发育滞后的发现，并将这些发现扩展到了12个月大的婴儿。这些结果表明，在认知的这一非常基本的方面，至少在生命的第一年，早产儿和足月儿之间存在持续的差异。
