Hand explorations are determined by the characteristics of the perceptual space of real-world materials from silk to sand

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buir.contributor.authorDoerschner, Katja
dc.citation.epage12en_US
dc.citation.issueNumber1en_US
dc.citation.spage1en_US
dc.citation.volumeNumber12en_US
dc.contributor.authorDövencioǧlu, Dicle N.
dc.contributor.authorÜstün, F. Seyhun
dc.contributor.authorDoerschner, Katja
dc.contributor.authorDrewing, Knut
dc.date.accessioned2023-03-01T06:04:36Z
dc.date.available2023-03-01T06:04:36Z
dc.date.issued2022-08-30
dc.departmentNational Magnetic Resonance Research Center (UMRAM)en_US
dc.description.abstractPerceiving mechanical properties of objects, i.e., how they react to physical forces, is a crucial ability in many aspects of life, from choosing an avocado to picking your clothes. There is, a wide variety of materials that differ substantially in their mechanical properties. For example, both, silk and sand deform and change shape in response to exploration forces, but each does so in very different ways. Studies show that the haptic perceptual space has multiple dimensions corresponding to the physical properties of textures, however in these experiments the range of materials or exploratory movements were restricted. Here we investigate the perceptual dimensionality in a large set of real materials in a free haptic exploration task. Thirty-two participants actively explored deformable and non-deformable materials with their hands and rated them on several attributes. Using the semantic differential technique, video analysis and linear classification, we found four haptic dimensions, each associated with a distinct set of hand and finger movements during active exploration. Taken together our findings suggest that the physical, particularly the mechanical, properties of a material systematically affect how it is explored on a much more fine-grained level than originally thought. © 2022, The Author(s).en_US
dc.description.provenanceSubmitted by Cem Çağatay Akgün (cem.akgun@bilkent.edu.tr) on 2023-03-01T06:04:36Z No. of bitstreams: 1 Hand_explorations_are_determined_by_the_characteristics_of_the_perceptual_space_of_real-world_materials_from_silk_to_sand.pdf: 1709024 bytes, checksum: 4b81aebd98a3d9225c8349f002d7e71a (MD5)en
dc.description.provenanceMade available in DSpace on 2023-03-01T06:04:36Z (GMT). No. of bitstreams: 1 Hand_explorations_are_determined_by_the_characteristics_of_the_perceptual_space_of_real-world_materials_from_silk_to_sand.pdf: 1709024 bytes, checksum: 4b81aebd98a3d9225c8349f002d7e71a (MD5) Previous issue date: 2022-08-30en
dc.identifier.doi10.1038/s41598-022-18901-6en_US
dc.identifier.issn20452322
dc.identifier.urihttp://hdl.handle.net/11693/111977
dc.language.isoEnglishen_US
dc.publisherNature Researchen_US
dc.relation.isversionofhttps://dx.doi.org/10.1038/s41598-022-18901-6en_US
dc.source.titleScientific Reportsen_US
dc.subjectHanden_US
dc.subjectHumanen_US
dc.subjectMovementen_US
dc.subjectSanden_US
dc.subjectSilken_US
dc.titleHand explorations are determined by the characteristics of the perceptual space of real-world materials from silk to sanden_US
dc.typeArticleen_US

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