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

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

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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.

Item Type: Article
Additional Information:

Online: 1468-4233

Uncontrolled Keywords: ResPubID19180. distractors, distractor interference, visual reaction time, perception, line drawings
Subjects: Current > FOR Classification > 1701 Psychology
Historical > Faculty/School/Research Centre/Department > School of Social Sciences and Psychology
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Depositing User: VUIR
Date Deposited: 12 Dec 2011 04:02
Last Modified: 12 Dec 2011 04:02
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Citations in Scopus: 1 - View on Scopus

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