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  Multi-digit Position and Force Coordination in Three- and Four-Digit Grasping

Naceri, A., Moscatelli, A., Santello, M., & Ernst, M. O. (2014). Multi-digit Position and Force Coordination in Three- and Four-Digit Grasping. In M. Auvray, & C. Duriez (Eds.), Haptics: Neuroscience, Devices, Modeling, and Applications (pp. 101-108).

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-2D35-2 Version Permalink: https://hdl.handle.net/21.11116/0000-0001-2D36-1
Genre: Conference Paper

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https://link.springer.com/content/pdf/10.1007%2F978-3-662-44193-0.pdf (Publisher version)
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 Creators:
Naceri, A, Author
Moscatelli, A, Author
Santello, M, Author
Ernst, Marc O1, Author           
Affiliations:
1Department of Cognitive Neuroscience and CITEC, Bielefeld University, ou_persistent22              

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 Abstract: In this paper, we investigate the redundancy problem by examining how humans control grasping of a hand-held object using three- and four-digits in response to external perturbations. Our results revealed a similar variability in digits’ initial placements when grasping with three- and four-digits. Moreover, the distribution of digit normal forces were modulated depending on the number of digits used, their locations, and the type of the external perturbations. Our results suggest that the redundancy problem was addressed by the central nervous system in a similar fashion on a trial-to-trial basis in terms of digits’ initial placements, but differently in terms of digits normal force distribution that was controlled online depending on the number of digits actively involved in the grasp.

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 Dates: 2014-06
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: DOI: 10.1007/978-3-662-44193-0_14
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Title: 9th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications (EuroHaptics 2014)
Place of Event: Versailles, France
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Title: Haptics: Neuroscience, Devices, Modeling, and Applications
Source Genre: Proceedings
 Creator(s):
Auvray, M, Editor
Duriez, C, Editor
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 101 - 108 Identifier: -

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Title: Lecture Notes in Computer Science ; 8618
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