신체불만족 수준에 따른 신체 관련 단어에 대한 기억편향
Memory Bias on Body related Words according to Body Dissatisfaction Level
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초록
본 연구는 신체불만족 수준이 높은 사람이 신체 관련 부정단어에 대해 외현적, 암묵적 기억편향을 보이는지를 확인하였다. 이를 위해 신체불만족 수준이 높은 집단과 낮은 집단으로 나누어 신체 관련 단어에 대한 외현적 그리고 암묵적 기억을 측정하였는데, 단어 부호화를 위해 신체 관련 긍정단어 20개, 부정단어 20개, 중립단어 40개 단어를 사용하였으며 제시된 단어 자극이 2음절이면 ‘1’, 3음절이면 ‘0’ 버튼을 누르도록 하였다. 이후 부호화 단어의 암송을 방지하기 위해 간섭과제를 실시하였다. 외현적 기억을 측정하기 위해 자유회상과제를 실시하였으며, 부호화 시 제시되었던 단어를 순서에 상관없이 적도록 요청하였다. 암묵적 기억을 측정하기 위해서는 반복점화과제를 실시하였으며, 제시된 단어를 보고 가능한 빠르고 정확하게 단어와 비단어를 분류하도록 요청하였다. 반복점화과제에서 단어종류에 따라 반응하는 시간을 측정하여 단어종류에 따른 점화량을 확인하였다. 연구 결과, 우울을 통제한 후, 높은 신체불만족 집단은 암묵적 기억과제에서 신체 관련 부정단어에 많은 점화량을 보였고 외현적 기억과제에서는 두 집단 간 차이가 없었다. 이러한 결과는 높은 신체불만족 집단이 신체 관련 부정단어에 기억이 편향되어 있으며 의식적으로 기억하지 못할 뿐 신체 관련 부정단어를 자동적이고 암묵적으로 기억한다는 것을 의미한다. 따라서 추후 신체불만족이 높은 집단의 신체 관련 부정단어에 대한 외현적 기억편향뿐 아니라 암묵적 기억편향에 대한 치료적 개입의 필요성을 시사한다.
Abstract
This study aimed to establish whether a person with a high level of physical dissatisfaction showed explicit and implicit memory bias against body-related negative words. To this end, the high body dissatisfaction group and the low body dissatisfaction group were divided to measure the explicit and implicit memories of body-related words. For encoding, 20 positive words related to the body, 20 negative words, and 40 neutral words were used, and the presented word stimulus was instructed to press the '1' button if it was 2 syllables and the '0' button if it was 3 syllables. After that, interference tasks were carried out to prevent recitation. To take the next explicit memory test, a free recall task was performed, and body-related words were written randomly. To measure the implicit memory, the repetition priming task was performed, and the presented word was viewed and requested to classify the word and non-words as quickly and accurately as possible. The reaction time depending on the word type was measured to confirm the amount of priming according to the word type. As a result of the study, after controlling depression, the high body dissatisfaction group showed a large amount of priming to body-related negative words in implicit memory tasks, and there was no difference between the two groups in explicit memory tasks. This means that the high body dissatisfaction group is memory-biased to body-related negative words. In addition, it was found that the high body dissatisfaction group did not consciously remember the body-related negative words automatically and implicitly. The results of this study examined memory bias for body-related negative words according to the level of body dissatisfaction and memory type. The results suggest that in the future therapeutic intervention should be available in implicit memory bias as well as explicit memory bias in body-related negative words in groups with high body dissatisfaction.
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