방해 효과에 미치는 방해자극의 주의 획득 기회의 영향The Effect of the Chance of a Distractor Capturing Attention on Distractor Interference
- Other Titles
- The Effect of the Chance of a Distractor Capturing Attention on Distractor Interference
- Authors
- 서지현; 조양석
- Issue Date
- 2013
- Publisher
- 한국인지및생물심리학회
- Keywords
- Dilution; perceptual load; attentional capture; distractor interference; 희석효과; 지각적 부하; 주의 획득; 방해효과
- Citation
- 한국심리학회지: 인지 및 생물, v.25, no.3, pp.359 - 382
- Indexed
- KCI
- Journal Title
- 한국심리학회지: 인지 및 생물
- Volume
- 25
- Number
- 3
- Start Page
- 359
- End Page
- 382
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/104475
- DOI
- 10.22172/cogbio.2013.25.3.007
- ISSN
- 1226-9654
- Abstract
- It has been suggested that the perceptual load induced by varying display set size is confounded with the dilution among nontarget stimuli. A flanker compatibility task was conducted to examine the nature of dilution. In Experiments 1 and 2, a target letter was presented at fixation with three or six task-irrelevant flanking letters surrounding it. Distractor interference was modulated by the number of the distracting letters in Experiment 1 and the ratio of the number of the distracting letters to the total number of the flanking letters in Experiment 2. When seven different letters were presented as a target, distracting letters, and neutral letters in Experiment 3, the number of the distracting letters modulated distractor interference. These findings are inconsistent with Tsal and Benoni’s (2010) idea that dilution is due to perceptual interference in the preattentive processing stage, as well as Lavie’s (1995) perceptual load theory. We argue that distractor interference is modulated by the probability of a distractor capturing focused attention.
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