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The standard posture of the hand

Romano, Daniele, Tamè, Luigi, Amoruso, Elena, Azañón, Elena, Maravita, Angelo, Longo, Matthew R. (2019) The standard posture of the hand. Journal of Experimental Psychology: Human Perception & Performance, 45 (9). pp. 1164-1173. ISSN 0096-1523. E-ISSN 1939-1277. (doi:10.1037/xhp0000662) (KAR id:73338)

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Perceived limb position is known to rely on sensory signals and motor commands. Another potential source of input is a standard representation of body posture, which may bias perceived limb position towards more stereotyped positions. Recent results show that tactile stimuli are processed more efficiently when delivered to a thumb in a relatively low position or an index finger in a relatively high position. This observation suggests that we may have a standard posture of the body that promotes a more efficient interaction with the environment. In this study, we mapped the standard posture of the entire hand by characterizing the spatial associations of all five digits. Moreover, we show that the effect is not an artefact of intermanual integration. Results showed that the thumb is associated with low positions, while the other fingers are associated with upper locations.

Item Type: Article
DOI/Identification number: 10.1037/xhp0000662
Additional information: ©American Psychological Association, 2019. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. Please do not copy or cite without author's permission. The final article is available, upon publication, at: [ARTICLE DOI]
Uncontrolled keywords: Body Representation, touch, posture, hand, tactile discrimination
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Divisions > Division of Human and Social Sciences > School of Psychology
Depositing User: Luigi Tame
Date Deposited: 02 Apr 2019 15:33 UTC
Last Modified: 16 Feb 2021 14:03 UTC
Resource URI: (The current URI for this page, for reference purposes)
Tamè, Luigi:
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