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Uncertainty and predictiveness modulate attention in human predictive learning.

Chang-Mao Chao; Anthony McGregor; David J. Sanderson

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J Exp Psychol Gen. 2023 Nov;152(11):3242. doi: 10.1037/xge0001032

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Title: Uncertainty and predictiveness modulate attention in human predictive learning.
Author: Chang-Mao Chao; Anthony McGregor; David J. Sanderson
Source: Journal of Experimental Psychology. General · DOI 10.1037/xge0000991 Published 2020-11-30 · Open source record
License: CC BY 3.0 deed

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Attention determines which cues receive processing and are learned about. Learning, however, leads to attentional biases. In the study of animal learning, in some circumstances, cues that have been previously predictive of their consequences are subsequently learned about more than are nonpredictive cues, suggesting that they receive more attention. In other circumstances, cues that have previously led to uncertain consequences are learned about more than are predictive cues. In human learning, there is a clear role for predictiveness, but a role for uncertainty has been less clear. Here, in a human learning task, we show that cues that led to uncertain outcomes were subsequently learned about more than were cues that were previously predictive of their outcomes. This effect occurred when there were few uncertain cues. When the number of uncertain cues was increased, attention switched to predictive cues. This pattern of results was found for cues (1) that were uncertain because they led to 2 different outcomes equally often in a nonpredictable manner and (2) that were used in a nonlinear discrimination and were not predictive individually but were predictive in combination with other cues. This suggests that both the opposing predictiveness and uncertainty effects were determined by the relationship between individual cues and outcomes rather than the predictive strength of combined cues. These results demonstrate that learning affects attention; however, the precise nature of the effect on attention depends on the level of task complexity, which reflects a potential switch between exploration and exploitation of cues.

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Original journal: Journal of Experimental Psychology. General
Published: 2020-11-30
DOI: 10.1037/xge0000991
Open record: PMC8515774

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