Crowdsourced single-trial probes of visual working memory for irrelevant features | Zendy

Hongsup Shin | Zendy; Wei Ji | Zendy

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Crowdsourced single-trial probes of visual working memory for irrelevant features

Author(s) -

Hongsup Shin,

Wei Ji

Publication year - 2016

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/16.5.10

Subject(s) - pooling , feature (linguistics) , artificial intelligence , orientation (vector space) , computer science , surprise , task (project management) , pattern recognition (psychology) , object (grammar) , computer vision , psychology , communication , mathematics , philosophy , linguistics , geometry , management , economics

We measured the precision with which an irrelevant feature of a relevant object is stored in visual short-term memory. In each experiment, 600 online subjects each completed 30 trials in which the same feature (orientation or color) was relevant, followed by a single surprise trial in which the other feature was relevant. Pooling data across all subjects, we find in a delayed-estimation task but not in a change localization task that the irrelevant feature is retrieved, but with much lower precision than when the same feature is relevant: The irrelevant/relevant precision ratio was 3.8% for orientation and 20.4% for color.

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