Instruct: Identify the main category of Biorxiv papers based on the titles and abstracts
Query: Memory for Individual Items is Related to Non-Reinforced Preference Change It is commonly assumed that memories contribute to value-based decisions. Nevertheless, most theories of value-based decision-making do not account for memory influences on choice. Recently, new interest has emerged in the interactions between these two fundamental processes, mainly using reinforcement-based paradigms. Here, we aimed to study the role memory processes play in preference change following the non-reinforced cue-approach training (CAT) paradigm. In CAT, the mere association of cued items with a speeded motor response influences choices. Previous studies with this paradigm showed that a single training session induces a long-lasting effect of enhanced preferences for high-value trained stimuli, that is maintained for several months. We hypothesized that CAT influences memory accessibility for trained items, leading to enhanced accessibility of their positive associative memories and in turn to preference changes. In two pre-registered experiments, we tested whether memory for trained items was enhanced following CAT, in the short and in the long-term, and whether memory modifications were related to choices. We found that memory was enhanced for trained items and that better memory was correlated with enhanced preferences at the individual item level, both immediately and one month following CAT. Our findings show that memory plays a central role in value-based decision-making following CAT, even in the absence of external reinforcements. These findings contribute to new theories relating memory and value-based decision-making and set the groundwork for the implementation of novel behavioral interventions that lead to long-lasting behavioral change.
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The categories of this paper are: ecology
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The categories of this paper are: physiology
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The categories of this paper are: paleontology
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The categories of this paper are: pharmacology
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The categories of this paper are: genetics
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The categories of this paper are: cell
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The categories of this paper are: pathology
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The categories of this paper are: toxicology
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The categories of this paper are: communication
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The categories of this paper are: developmental
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The categories of this paper are: bioengineering
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The categories of this paper are: plant
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The categories of this paper are: animal
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The categories of this paper are: molecular
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The categories of this paper are: zoology
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The categories of this paper are: biochemistry