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Body-based perceptual rescaling revealed through the size-weight illusion

Research output: Contribution to journalJournal article

Published

Journal publication date2011
JournalPerception
Journal number10
Volume40
Number of pages3
Pages1251-1253
Original languageEnglish

Abstract

An embodied approach to the perception of spatial layout contends that the body is used as a 'perceptual ruler' with which individuals scale the perceived environmental layout. In support of this notion, previous research has shown that the perceived size of objects can be influenced by changes in the apparent size of hand. The size-weight illusion is a well known phenomenon, which occurs when people lift two objects of equal weight but differing sizes and perceive that the larger object feels lighter. Therefore, if apparent hand size influences perceived object size, it should also influence the object's perceived weight. In this study, we investigated this possibility by using perceived weight as a measure and found that changes in the apparent size of the hand influence objects' perceived weight.