Abstract
Curiosity drives information seeking and promotes learning. Prior work has focused on how curiosity is elicited by intrinsic qualities of information, leaving open questions about how curiosity, exploration, and learning are shaped by the environment. Here we examine how temporal dynamics of the learning environment shape curiosity and learning. Participants (n = 71) foraged for the answer to trivia questions in two conditions that differed only in their temporal statistics. In one condition, the timing of information delivery followed a uniform distribution, while in another it followed a heavy-tailed distribution. We found that the two conditions elicited distinct responses in both behavior and pupil dilation: participants were more likely to wait for information and to later remember it in the uniform distribution. By contrast, participants showed greater surprise, evidenced in a spike in pupil dilation, when presented with the answers in the heavy-tailed distribution. Furthermore, pupil dilation was inversely related to curiosity and memory, suggesting that temporal uncertainty may interfere with the positive effects of curiosity on learning. Our findings demonstrate that the predicted timing of information delivery influences information seeking, memory, and physiological arousal, suggesting that information is best learned when it is both intrinsically interesting and presented within a temporally predictable environment. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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