The Effects of Spatial Attention on Visual Word Recognition

본 연구에서는 시각적 단어 재인에서 공간주의가 미치는 영향을 살펴보았다. 공간주의의 영향은 자극이 제시되는 위치에 공간단서를 제시하거나(타당 단서), 자극이 제시되지 않는 위치에 공간단서를 제시하는 경우(비타당 단서)의 수행을 비교한 단서효과의 크기로 살펴볼 수 있다. 대표적 시각적 단어 재인 과제인 명명 과제와 어휘판단 과제에서 단서효과가 나타나는지, 단서효과의 크기가 단어빈도에 따라 차이가 나는지를 살펴보았다. 실험 결과, 명명 과제, 어휘판단 과제에서 유사한 크기의 단서효과가 관찰되면서 시각적 단어 재인에서 공간주의가 영향을 미치는 것으로 나타났다. 고빈도 단어에서보다 저빈도 단어의 정확도에서 더 큰 단서효과가 나타나면서 공간주의의 영향은 저빈도 단어에서 더 큰 것으로 나타났다. 본 연구의 결과는 단어 처리 모형의 관점에 의해 논의되었다.

keywords: 공간주의, 단어재인, 단어빈도, 단서효과, 한글, spatial attention, word recognition, word frequency, cuing effect, Hangul

Abstract

In this study, we examined the effects of spatial attention on visual word recognition. A valid cue was presented at the location where target stimuli would appear (valid trials) and an invalid cue was presented at the location where target stimuli would not appear (invalid trials). As an index of spatial attention, the cuing effect was calculated as the difference in the performance of word recognition between the valid trials and the invalid trials. We investigated whether the cuing effects appeared in visual word recognition tasks, such as naming and lexical decision tasks and whether the magnitude of the cuing effects varies depending on word frequency. As a result, the cuing effects were observed both in the naming and lexical decision tasks, and the magnitude of the effects was similar across the tasks. It indicates that spatial attention affects visual word recognition. The cuing effects were greater in the accuracy of low-frequency words than in those of high-frequency words. That is, the effects of spatial attention were more pronounced in low-frequency words. The results were discussed in terms of the word processing model.

keywords: 공간주의, 단어재인, 단어빈도, 단서효과, 한글, spatial attention, word recognition, word frequency, cuing effect, Hangul

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논문 상세

Vol.32 No.4

시각적 단어 재인에서 공간주의의 영향

The Effects of Spatial Attention on Visual Word Recognition

초록

Abstract

참고문헌

한국심리학회지: 인지 및 생물