ArticlePloS one2020
The perceived size of the implicit representation of the dorsum and palm of the hand.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- Body image at the trunk: An investigation into externally referenced width perception and picture mapping.Perception · 2024Article
- Perception of the non-dominant hand as larger after non-judgmental focus on its details.Scientific reports · 2022Article
- Changes in the perceived size of the body following exposure to distorted self-body images.Royal Society open science · 2022Article
- Body representation underlies response of proprioceptive acuity to repetitive peripheral magnetic stimulation.Frontiers in human neuroscience · 2022Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The perception of the body and its parts has traditionally been studied using the conscious body image. Here, we determine the implicit representation of the hand. Participants were sequentially shown two life-size images of either the dorsal or palmar surface of their hand. In one interval either the horizontal or vertical dimension of the image was varied using an adaptive staircase, while the other interval contained the full-size, undistorted image. Participants reported which image most closely matched their hand. The staircase honed in on the distorted image that was equally likely to be judged as matching their own hand as the accurate image. The implicit representation was taken as midway between these two images. The experiment was repeated with different hand orientations. Perceived width depended on the orientation, with differences found between the upright and right orientations. Interestingly, the perceived length of the dorsum and palm were different from each other-length of the dorsum was overestimated whereas palm length was perceived accurately. This study reveals distortions of the implicit representation of the hands in healthy individuals.
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