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Previous research has shown that attentional sets can be tuned to implicitly prioritize awareness of universally aversive or rewarding stimuli. But can mere ownership modulate implicit attentional prioritization as well? In Experiments 1 and 2, participants learned whether everyday objects belonged to them (self-owned) or the experimenter (other-owned) and completed a temporal order judgment task in which pairs of stimuli appeared onscreen with staggered timing. Results revealed a prior-entry effect, in which participants were more likely to report seeing a self-owned object first when 2 objects appeared simultaneously. In Experiment 3, no ownership status was assigned and no such effect was observed. Individual differences in the prior-entry effect were unrelated to independent self-construal, positive associations for self-owned objects, or loss aversion. These results suggest that attentional prioritization is not limited to universally salient stimuli. Rather, self-relevance, even when recently acquired, can engage an implicit attentional set that biases our perception of the environment. (PsycINFO Database Record

A growing body of evidence has demonstrated that multiple sources of salience tune attentional sets toward aspects of the environment, including affectively and motivationally significant categories of stimuli such as angry faces and reward-associated target locations. Recent evidence further indicates that objects that have gained personal significance through ownership can elicit similar attentional prioritization. Here we discuss current research on sources of attentional prioritization that shape our awareness of the visual world from moment to moment and the underlying neural systems and contextualize what is known about attentional prioritization of our possessions within that research. We review behavioral and neuroimaging research on the influence of self-relevance and ownership on cognition and discuss challenges to this literature stemming from different modes of conceptualizing and operationalizing the self. We argue that ownership taps into both "self-as-object," which characterizes the self as an object with a constellation of traits and attributes, and "self-as-subject," which characterizes the self as an agentic perceiver and knower. Despite an abundance of research probing neural and behavioral indices of self-as-object and its effects on attention, there exists a paucity of research on the influence of self-relevance of attention when self is operationalized from the perspective of a first-person subject. To begin to address this gap, we propose the Self as Ownership in Attentional Prioritization (SOAP) framework to explain how ownership increases salience through attention to external representations of self-identity (i.e., self as object) and attention to contextually mediated permission to act (i.e., self as subject).

Our attention and memory can be biased toward objects having high self-relevance, such as things we own. Yet in explaining such effects, theorizing has been limited to psychological determinants of self-relevance. Here we examined the contribution physical actions make to this ownership bias. In Experiment 1, participants moved object images on a touch interactive table that either arbitrarily belonged to "self" or "other," and that were moved into locations closer or farther from their bodies. Subsequent recognition was highest for self-owned objects moved closer to the body, as measured via a subsequent memory recall test. In Experiment 2, when participants moved images via keyboard rather than overt action, the proximity effect of the body on attention was abolished. In Experiment 3, participants pulled or pushed self-owned or other-owned object images to side-by-side locations on a touch interactive table. Self-owned objects that were pulled were recognized the most. Our findings demonstrate that physical actions can have a direct impact on the psychological saliency of owned objects, with the act of bringing objects toward the self leading to greater recall.

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