Predicting object size from hand kinematics: a temporal perspective

PloS One
Caterina AnsuiniCristina Becchio

Abstract

Research on reach-to-grasp movements generally concentrates on kinematics values that are expression of maxima, in particular the maximum aperture of the hand and the peak of wrist velocity. These parameters provide a snapshot description of movement kinematics at a specific time point during reach, i.e., the maximum within a set of value, but do not allow to investigate how hand kinematics gradually conform to target properties. The present study was designed to extend the characterization of object size effects to the temporal domain. Thus, we computed the wrist velocity and the grip aperture throughout reach-to-grasp movements aimed at large versus small objects. To provide a deeper understanding of how joint movements varied over time, we also considered the time course of finger motion relative to hand motion. Results revealed that movement parameters evolved in parallel but at different rates in relation to object size. Furthermore, a classification analysis performed using a Support Vector Machine (SVM) approach showed that kinematic features taken as a group predicted the correct target size well before contact with the object. Interestingly, some kinematics features exhibited a higher ability to discriminate the target...Continue Reading

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Citations

Oct 8, 2016·Frontiers in Human Neuroscience·Caterina AnsuiniCristina Becchio
Oct 26, 2016·PloS One·Atesh KoulCristina Becchio
Nov 16, 2016·Scientific Reports·Andrea CavalloCristina Becchio
Dec 8, 2017·Journal of Autism and Developmental Disorders·Eleanor J ColeNick E Barraclough
Jul 25, 2019·Journal of Motor Behavior·Marie MartelAlice Catherine Roy
Jul 9, 2020·PloS One·Yair HerbstAlon Wolf
Nov 23, 2017·Frontiers in Human Neuroscience·Antonella MaselliAndrea d'Avella
Jan 6, 2019·Experimental Brain Research·Xiaoye Michael Wang, Geoffrey P Bingham
Feb 15, 2020·Scientific Reports·Doriana De MarcoMaddalena Fabbri-Destro
Jun 24, 2017·Journal of Motor Behavior·Ida Egmose, Simo Køppe
May 4, 2018·Cerebral Cortex·Atesh KoulCristina Becchio
Jul 3, 2018·Frontiers in Psychology·Sonia BettiLuisa Sartori
Sep 23, 2018·Proceedings of the National Academy of Sciences of the United States of America·Marco SorianoLuciano Fadiga
Sep 14, 2018·Frontiers in Psychology·Matilde Rocca, Andrea Cavallo
Sep 14, 2018·Scientific Reports·Andrea CavalloCristina Becchio
Feb 26, 2021·Scientific Reports·Lara MerkenMaria C Romero
Oct 20, 2017··Vittorio MurinoAndrea Zunino

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Software Mentioned

SVM
Matlab

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