ISSN : 1226-9654
This study examined how aging changes the way of using context informations in reading, by comparing the semantic priming effects of young and older adults. Young and older adults participated in the lexical decision task of Hangul words. Prime words, semantically related or unrelated to target words, were selected to measure the priming effects. The duration of prime words(SOA) was manipulated as 25, 50, 100, 200, 400, and 800 ms to identify the time course of priming effects in two age groups. The lexical decision latency was longer for the olds than younger adults. The time when priming has begun was also late by ages. However, the maximum size of the semantic priming effects was not different between the two age groups. For the shorter SOA conditions, the elderly showed smaller priming effects than the young adults. But there are no age-related differences in the size of the priming effects when the available time is sufficient as much as the longer SOA conditions. Our results suggest that although the speed of using informations about the semantic relations is delayed in older adults, the ability to apply informations is kept efficient in the elderly as well as the young adults.
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