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Conceptual distortions of hand structure are robust to changes in stimulus information

Ambroziak, Klaudia B., Tamè, Luigi, Longo, Matthew R. (2018) Conceptual distortions of hand structure are robust to changes in stimulus information. Consciousness and Cognition, 61 . pp. 107-116. ISSN 1053-8100. (doi:10.1016/j.concog.2018.01.002)

Abstract

Previous studies showed stereotyped distortions in hand representations. People judge their knuckles as farther forward in the hand than they actually are. The cause of this bias remains unclear. We tested whether both visual and tactile information contribute to the bias. In Experiment 1, participants judged the location of their knuckles by pointing to the location on their palm with: (1) a metal baton (using vision and touch), (2) a metal baton while blindfolded (using touch), or (3) a laser pointer (using vision). Distal mislocalisations were found in all conditions. In Experiment 2, we investigated whether judgments are influenced by visual landmarks such as creases. Participants localized their knuckles on either a photograph of their palm or a silhouette. Distal mislocalisations were apparent in both conditions. These results show that distal biases are resistant to changes in stimulus information, suggesting that such mislocalisations reflect a conceptual mis-representation of hand structure.

Item Type: Article
DOI/Identification number: 10.1016/j.concog.2018.01.002
Subjects: B Philosophy. Psychology. Religion
Divisions: Faculties > Social Sciences > School of Psychology > Cognitive Psychology
Depositing User: Luigi Tame
Date Deposited: 15 Jan 2019 16:30 UTC
Last Modified: 19 Jul 2019 11:39 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/71613 (The current URI for this page, for reference purposes)
Tamè, Luigi: https://orcid.org/0000-0002-9172-2281
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