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    • CAS: Psychological and Brain Sciences: Scholarly Papers
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    •   OpenBU
    • College of Arts and Sciences
    • Psychological and Brain Sciences
    • CAS: Psychological and Brain Sciences: Scholarly Papers
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    Is Task-Irrelevant Learning Really Task-Irrelevant?

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    Date Issued
    2008-11-24
    Publisher Version
    10.1371/journal.pone.0003792
    Author(s)
    Seitz, Aaron R.
    Watanabe, Takeo
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    Permanent Link
    https://hdl.handle.net/2144/3163
    Citation (published version)
    Seitz, Aaron R., Takeo Watanabe. "Is Task-Irrelevant Learning Really Task-Irrelevant?" PLoS ONE 3(11): e3792. (2008)
    Abstract
    In the present study we address the question of whether the learning of task-irrelevant stimuli found in the paradigm of task-irrelevant learning (TIPL) [1]-[9] is truly task irrelevant. To test the hypothesis that associations that are beneficial to task-performance may develop between the task-relevant and task-irrelevant stimuli, or the task-responses and the task-irrelevant stimuli, we designed a new procedure in which correlations between the presentation of task-irrelevant motion stimuli and the identity of task-targets or task-responses were manipulated. We found no evidence for associations developing between the learned (task-irrelevant) motion stimuli and the targets or responses to the letter identification task used during training. Furthermore, the conditions that had the greatest correlations between stimulus and response showed the least amount of TIPL. On the other hand, TIPL was found in conditions of greatest response uncertainty and with the greatest processing requirements for the task-relevant stimuli. This is in line with our previously published model that suggests that task-irrelevant stimuli benefit from the spill-over of learning signals that are released due to processing of task-relevant stimuli.
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    • CAS: Psychological and Brain Sciences: Scholarly Papers [260]


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