ISSN : 1226-9654
어떤 정서에서 요점흔적에 의한 오기억이 일어나는지를 DRM 과제를 사용하여 알아보았다. 실험 1에서는 단어를 2초 동안 제시하고, 5분 후 혹은 1일 후 재인검사를 실시하였고, 실험 2에서는 단어를 250ms 혹은 2초 동안 제시하고 5분 후 재인검사를 실시하였다. 단어 제시시간이 길었던 실험 1의 즉시 검사에서는 정적 정서-낮은 각성 조건에서 오기억이 적게 보고되었으나, 지연 검사에서는 정적 정서-낮은 각성 조건에서 오기억이 많이 보고되었다. 실험 2에서는 즉시 검사만 실사하였는데, 제시시간이 2초이었던 조건에서는 정적 정서-낮은 각성 조건에서 오기억이 적게 보고되었으나, 제시시간이 250msec이었던 조건에서는 정적 정서 조건에서 오기억이 많이 보고되었다. 이 결과는 제시시간이 짧을 경우와 파지간격이 길 경우의 오기억은 요점 흔적에 주로 의존하며 이는 정서가와 관련이 있는 반면, 제시시간이 길 경우와 파지간격이 짧을 경우의 오기억은 유인단어의 일시적 활성화에 의한 오기억일 가능성이 많으며, 이는 각성과 관련이 있는 것으로 해석되었다.
The effects of induced mood on the false memory were investigated in two experiments using the DRM paradigm. If false memory was based on the gist trace of the learning lists which is supposed to be automatically formed, false memory should remain unchanged even in the delayed test and under short presentation durations. In Experiment 1, the words were presented for two seconds during the learning phase, and memory was tested either 5 minutes after the learning phase (immediate test) or 24 hours after the learning phase (delayed test). In the immediate test, false recognition was reported less in the positive-low arousal condition, whereas in the delayed test, false recognition was reported more in the condition. The results suggested that some of the false memory in the other conditions might be based on the temporary activation of the critical lure because 2 seconds is long for learning a word. To test the possibility, presentation duration was manipulated in Experiment 2. In Experiment 2, each word was presented for either 2 seconds or 250 msec. False recognition was reported less in the positive-low arousal condition when each word was presented for 2 seconds, whereas false recognition was reported more in the positive conditions when only 250 msec was allowed for learning a word. The results of the two experiments suggested the possibility of two routes of false memory: One based on the long lasting gist trace, and another based on temporary activation of critical lure.
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