Abstract
Three studies investigated age-related differences in the surprise reaction. Study 1 revealed that children and seniors showed a more pronounced action delay in response to a simple, hedonically neutral surprising event than young adults that could not be attributed to a general slowing of information processing. Studies 2 and 3 provided evidence that these age-related differences in action delay between children and young adults were due to children’s greater difficulties to ”nd an explanation for the occurrence of the surprising event and to decide on its relevance for action. These results support the idea that the core mechanism of surprise is evolutionary-based and age-invariant, but its eliciting conditions and consequences depend on developmental changes of knowledge structures.
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