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Long-term adaptation to change in implicit contextual learning
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Zellin, Martina, von Mühlenen, Adrian, Müller, Hermann J. and Conci, Markus (2014) Long-term adaptation to change in implicit contextual learning. Psychonomic Bulletin & Review , Volume 21 (Number 4). pp. 1073-1079. doi:10.3758/s13423-013-0568-z ISSN 1069-9384.
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Official URL: http://dx.doi.org/10.3758/s13423-013-0568-z
Abstract
The visual world consists of spatial regularities that are acquired through experience in order to guide attentional orienting. For instance, in visual search, detection of a target is faster when a layout of nontarget items is encountered repeatedly, suggesting that learned contextual associations can guide attention (contextual cuing). However, scene layouts sometimes change, requiring observers to adapt previous memory representations. Here, we investigated the long-term dynamics of contextual adaptation after a permanent change of the target location. We observed fast and reliable learning of initial context–target associations after just three repetitions. However, adaptation of acquired contextual representations to relocated targets was slow and effortful, requiring 3 days of training with overall 80 repetitions. A final test 1 week later revealed equivalent effects of contextual cuing for both target locations, and these were comparable to the effects observed on day 1. That is, observers learned both initial target locations and relocated targets, given extensive training combined with extended periods of consolidation. Thus, while implicit contextual learning efficiently extracts statistical regularities of our environment at first, it is rather insensitive to change in the longer term, especially when subtle changes in context–target associations need to be acquired.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | ||||||
Journal or Publication Title: | Psychonomic Bulletin & Review | ||||||
Publisher: | Psychonomic Society | ||||||
ISSN: | 1069-9384 | ||||||
Official Date: | August 2014 | ||||||
Dates: |
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Volume: | Volume 21 | ||||||
Number: | Number 4 | ||||||
Page Range: | pp. 1073-1079 | ||||||
DOI: | 10.3758/s13423-013-0568-z | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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