When Frequency and Value Shape Memory and Category Representation

Published on July 16, 2023

Just as the type of groceries we buy impacts how we categorize them in our pantry, the way our brain organizes information is influenced by both the frequency and value of the categories. Recent studies have shown that our memory is not only impacted by what we encounter frequently, but also by what we consider valuable. Surprisingly, research on conceptual representation and prioritized memory have been conducted separately, but emerging findings suggest a potential link between these two phenomena. The patterns observed in these studies provide strong evidence for the idea that the influence of value on category representation stems from its interconnected relationship with prioritized memory. This fascinating connection sheds light on how our brain organizes information and highlights the importance of considering both frequency and value in understanding memory and category formation.

The way we represent categories depends on both the frequency and value of the members of that category. Thus, for instance, prototype representations can be impacted by both information about what is statistically frequent and judgments about what is valuable. Notably, recent research on memory suggests that prioritized memory is also influenced by both statistical frequency and value judgments. Although work on conceptual representation and work on prioritized memory have so far proceeded almost entirely independently, the patterns of existing findings provide evidence for a link between these two phenomena. In particular, these patterns provide evidence for the hypothesis that the impact of value on conceptual representation arises from its co-dependent relationship with prioritized memory.

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