Line segments and corners of distractors are equally important in causing interference

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Hluchanic, Catherine and Kritikos, Ada (2009) Line segments and corners of distractors are equally important in causing interference. Perception, 38 (5). pp. 664-678. ISSN 0301-0066

Abstract

In this series of studies we examine the importance of component features (line segments and corners) of a distractor in producing distractor interference.We postulated that corners are non- accidental features and therefore crucial components in the processing of distractors (Kritikos and Pavlis 2007, Experimental Brain Research 183 159 ^ 170). We presented non-degraded or degraded (line segments or corners removed) distractors (line drawings of tools or musical instruments) simultaneously with a target, either at fixation or peripherally. Non-degraded as well as degraded distractors caused higher levels of interference (increased reaction times and a greater number of errors), particularly when presented at fixation, while non-degraded distractors caused greater interference than degraded. Contrary to expectation, however, there was no difference in the level of interference caused by lines-missing and corners-missing distractors, either at fixation or at periphery. Thus, we conclude that, where response to a complex object is required, both lines and corners are equally important components in the visual processing of distractor stimuli.

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Additional Information

Online: 1468-4233

Item type Article
URI https://vuir.vu.edu.au/id/eprint/4344
DOI 10.1068/p5916
Official URL http://www.perceptionweb.com/perception/fulltext/p...
Subjects Historical > FOR Classification > 1701 Psychology
Historical > Faculty/School/Research Centre/Department > School of Social Sciences and Psychology
Keywords ResPubID19180. distractors, distractor interference, visual reaction time, perception, line drawings
Citations in Scopus 1 - View on Scopus
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