Title |
Location-Unbound Color-Shape Binding Representations in Visual Working Memory
|
---|---|
Published in |
Psychological Science, December 2015
|
DOI | 10.1177/0956797615616797 |
Pubmed ID | |
Authors |
Jun Saiki |
Abstract |
The mechanism by which nonspatial features, such as color and shape, are bound in visual working memory, and the role of those features' location in their binding, remains unknown. In the current study, I modified a redundancy-gain paradigm to investigate these issues. A set of features was presented in a two-object memory display, followed by a single object probe. Participants judged whether the probe contained any features of the memory display, regardless of its location. Response time distributions revealed feature coactivation only when both features of a single object in the memory display appeared together in the probe, regardless of the response time benefit from the probe and memory objects sharing the same location. This finding suggests that a shared location is necessary in the formation of bound representations but unnecessary in their maintenance. Electroencephalography data showed that amplitude modulations reflecting location-unbound feature coactivation were different from those reflecting the location-sharing benefit, consistent with the behavioral finding that feature-location binding is unnecessary in the maintenance of color-shape binding. |
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Unknown | 4 | 100% |
Demographic breakdown
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Scientists | 1 | 25% |
Mendeley readers
Geographical breakdown
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Switzerland | 1 | <1% |
Netherlands | 1 | <1% |
Belgium | 1 | <1% |
Korea, Republic of | 1 | <1% |
Japan | 1 | <1% |
Unknown | 99 | 93% |
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Researcher | 21 | 20% |
Student > Master | 19 | 18% |
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Student > Postgraduate | 5 | 5% |
Other | 12 | 11% |
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Medicine and Dentistry | 2 | 2% |
Other | 10 | 9% |
Unknown | 24 | 23% |