Perceptual aftereffects of adiposity transfer from hands to whole bodies

Ambroziak, K.B. and Bofill, M.A. and Azañón, E. and Longo, Matthew (2023) Perceptual aftereffects of adiposity transfer from hands to whole bodies. Experimental Brain Research 241 , pp. 2371-2379. ISSN 0014-4819.

Abstract

Adaptation aftereffects for features such as identity and gender have been shown to transfer between faces and bodies, and faces and body parts, i.e. hands. However, no studies have investigated transfer of adaptation aftereffects between whole bodies and body parts. The present study investigated whether visual adaptation aftereffects transfer between hands and whole-bodies in the context of adiposity judgments (i.e., how thin or fat a body is). On each trial participants had to decide whether the body they saw was thinner or fatter than average. Participants performed the task before and after exposure to a thin/fat hand. Consistent with body adaptation studies, after exposure to a slim hand participants judged subsequently presented bodies to be fatter than after adaptation to a fat hand. These results suggest that there may be links between visual representations of body adiposity for whole bodies and body parts.

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