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Insensitivity of visual short-term memory to irrelevant visual information.

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Title: Insensitivity of visual short-term memory to irrelevant visual information.
Authors: Andrade, Jackie, Kemps, Eva, Werniers, Yves, May, Jon, Szmalec, Arnaud
Source: Quarterly Journal of Experimental Psychology: Section A. Jul2002, Vol. 55 Issue 3, p753-774. 22p.
Subjects: Short-term memory, Visual perception, Mental imagery, Experimental psychology
Abstract: Several authors have hypothesized that visuo-spatial working memory is functionally analogous to verbal working memory. Irrelevant background speech impairs verbal short-term memory. We investigated whether irrelevant visual information has an analogous effect on visual short-term memory, using a dynamic visual noise (DVN) technique known to disrupt visual imagery (Quinn & McConnell, 1996b). Experiment 1 replicated the effect of DVN on pegword imagery. Experiments 2 and 3 showed no effect of DVN on recall of static matrix patterns, despite a significant effect of a concurrent spatial tapping task. Experiment 4 showed no effect of DVN on encoding or maintenance of arrays of matrix patterns, despite testing memory by a recognition procedure to encourage visual rather than spatial processing. Serial position curves showed a one-item recency effect typical of visual short-term memory. Experiment 5 showed no effect of DVN on short-term recognition of Chinese characters, despite effects of visual similarity and a concurrent colour memory task that confirmed visual processing of the characters. We conclude that irrelevant visual noise does not impair visual short-term memory. Visual working memory may not be functionally analogous to verbal working memory, and different cognitive processes may underlie visual short-term memory and visual imagery. [ABSTRACT FROM AUTHOR]
Copyright of Quarterly Journal of Experimental Psychology: Section A is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Insensitivity of visual short-term memory to irrelevant visual information.
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  Data: <searchLink fieldCode="AR" term="%22Andrade%2C+Jackie%22">Andrade, Jackie</searchLink><br /><searchLink fieldCode="AR" term="%22Kemps%2C+Eva%22">Kemps, Eva</searchLink><br /><searchLink fieldCode="AR" term="%22Werniers%2C+Yves%22">Werniers, Yves</searchLink><br /><searchLink fieldCode="AR" term="%22May%2C+Jon%22">May, Jon</searchLink><br /><searchLink fieldCode="AR" term="%22Szmalec%2C+Arnaud%22">Szmalec, Arnaud</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Quarterly+Journal+of+Experimental+Psychology%3A+Section+A%22">Quarterly Journal of Experimental Psychology: Section A</searchLink>. Jul2002, Vol. 55 Issue 3, p753-774. 22p.
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  Data: <searchLink fieldCode="DE" term="%22Short-term+memory%22">Short-term memory</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+perception%22">Visual perception</searchLink><br /><searchLink fieldCode="DE" term="%22Mental+imagery%22">Mental imagery</searchLink><br /><searchLink fieldCode="DE" term="%22Experimental+psychology%22">Experimental psychology</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Several authors have hypothesized that visuo-spatial working memory is functionally analogous to verbal working memory. Irrelevant background speech impairs verbal short-term memory. We investigated whether irrelevant visual information has an analogous effect on visual short-term memory, using a dynamic visual noise (DVN) technique known to disrupt visual imagery (Quinn & McConnell, 1996b). Experiment 1 replicated the effect of DVN on pegword imagery. Experiments 2 and 3 showed no effect of DVN on recall of static matrix patterns, despite a significant effect of a concurrent spatial tapping task. Experiment 4 showed no effect of DVN on encoding or maintenance of arrays of matrix patterns, despite testing memory by a recognition procedure to encourage visual rather than spatial processing. Serial position curves showed a one-item recency effect typical of visual short-term memory. Experiment 5 showed no effect of DVN on short-term recognition of Chinese characters, despite effects of visual similarity and a concurrent colour memory task that confirmed visual processing of the characters. We conclude that irrelevant visual noise does not impair visual short-term memory. Visual working memory may not be functionally analogous to verbal working memory, and different cognitive processes may underlie visual short-term memory and visual imagery. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Quarterly Journal of Experimental Psychology: Section A is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jul2002
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              Y: 2002
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