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Abstract Impossible figures represent the world in ways it cannot be. From the work of M. C. Escher to any popular perception textbook, such experiences show how some principles of mental processing can be so entrenched and inflexible as to produce absurd and even incoherent outcomes that could not occur in reality. Surprisingly, however, such impossible experiences are mostly limited to visual perception; are there “impossible figures” for other sensory modalities? Here, we import a known magic trick into the laboratory to report and investigate an impossible somatosensory experience—one that can be physically felt. We show that, even under full-cue conditions with objects that can be freely inspected, subjects can be made to experience a single object alone as feeling heavier than a group of objects that includes the single object as a member—an impossible and phenomenologically striking experience of weight. Moreover, we suggest that this phenomenon—a special case of the size-weight illusion—reflects a kind of “anti-Bayesian” perceptual updating that amplifies a challenge to rational models of perception and cognition. Impossibility can not only be seen, but also felt—and in ways that matter for accounts of (ir)rational mental processing.
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Bodies and Minds: Heavier Weight Targets Are De-Mentalized as Lacking in Mental Agency
Five experiments investigate the hypothesis that heavier weight individuals are denied mental agency (i.e., higher order cognitive and intentional capacities), but not experience (e.g., emotional and sensory capacities), relative to average weight individuals. Across studies, we find that as targets increase in weight, they are denied mental agency; however, target weight has no reliable influence on ascriptions of experience (Studies 1a–2b). Furthermore, the de-mentalization of heavier weight targets was associated with both disgust and beliefs about targets’ physical agency (Study 3). Finally, de-mentalization affected role assignments. Heavier weight targets were rated as helpful for roles requiring experiential but not mentally agentic faculties (Study 4). Heavier weight targets were also less likely than chance to be categorized into a career when it was described as requiring mental agency (versus experience; Study 5). These findings suggest novel insights into past work on weight stigma, wherein discrimination often occurs in domains requiring mental agency.
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- Award ID(s):
- 1748461
- PAR ID:
- 10369350
- Publisher / Repository:
- SAGE Publications
- Date Published:
- Journal Name:
- Personality and Social Psychology Bulletin
- Volume:
- 48
- Issue:
- 9
- ISSN:
- 0146-1672
- Format(s):
- Medium: X Size: p. 1367-1381
- Size(s):
- p. 1367-1381
- Sponsoring Org:
- National Science Foundation
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