Static weight perception through skin stretch and kinesthetic information: detection thresholds, JNDs, and PSEs

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Static weight perception through skin stretch and kinesthetic information : detection thresholds, JNDs, and PSEs. / Van Beek, Femke E.; King, Raymond J.; Brown, Casey; Di Luca, Massimiliano; Keller, Sean.

In: IEEE Transactions on Haptics, 2020.

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@article{c79225ad096048908bf6fbeff51f4a8b,
title = "Static weight perception through skin stretch and kinesthetic information: detection thresholds, JNDs, and PSEs",
abstract = "We examined the contributions of kinesthetic and skin stretch cues to static weight perception. In three psychophysical experiments, several aspects of static weight perception were assessed by asking participants either to detect on which hand a weight was presented or to compare between two weight cues. Two closed-loop controlled haptic devices were used to present cutaneous and kinesthetic weights, in isolation and together, with a precision of 0.05g. Our results show that combining skin stretch and kinesthetic information leads to better weight detection thresholds than presenting uni-sensory cues does. For supra-threshold stimuli, Weber fractions were 22-44%. Kinesthetic information was less reliable for lighter weights, while both sources of information were equally reliable for weights up to 300g. Weight was perceived as equally heavy regardless of whether skin stretch and kinesthetic cues were presented together or alone. Data for lighter weights complied with an Optimal Integration model, while for heavier weights, measurements were closer to predictions from a Sensory Capture model. The presence of correlated noise might explain this discrepancy, since that would shift predictions from the Optimal Integration model towards our measurements. Our experiments provide device-independent perceptual measures, and can be used to inform, for instance, skin stretch device design.",
author = "{Van Beek}, {Femke E.} and King, {Raymond J.} and Casey Brown and {Di Luca}, Massimiliano and Sean Keller",
note = "Publisher Copyright: IEEE Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
doi = "10.1109/TOH.2020.3009599",
language = "English",
journal = "IEEE Transactions on Haptics",
issn = "1939-1412",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

}

RIS

TY - JOUR

T1 - Static weight perception through skin stretch and kinesthetic information

T2 - detection thresholds, JNDs, and PSEs

AU - Van Beek, Femke E.

AU - King, Raymond J.

AU - Brown, Casey

AU - Di Luca, Massimiliano

AU - Keller, Sean

N1 - Publisher Copyright: IEEE Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020

Y1 - 2020

N2 - We examined the contributions of kinesthetic and skin stretch cues to static weight perception. In three psychophysical experiments, several aspects of static weight perception were assessed by asking participants either to detect on which hand a weight was presented or to compare between two weight cues. Two closed-loop controlled haptic devices were used to present cutaneous and kinesthetic weights, in isolation and together, with a precision of 0.05g. Our results show that combining skin stretch and kinesthetic information leads to better weight detection thresholds than presenting uni-sensory cues does. For supra-threshold stimuli, Weber fractions were 22-44%. Kinesthetic information was less reliable for lighter weights, while both sources of information were equally reliable for weights up to 300g. Weight was perceived as equally heavy regardless of whether skin stretch and kinesthetic cues were presented together or alone. Data for lighter weights complied with an Optimal Integration model, while for heavier weights, measurements were closer to predictions from a Sensory Capture model. The presence of correlated noise might explain this discrepancy, since that would shift predictions from the Optimal Integration model towards our measurements. Our experiments provide device-independent perceptual measures, and can be used to inform, for instance, skin stretch device design.

AB - We examined the contributions of kinesthetic and skin stretch cues to static weight perception. In three psychophysical experiments, several aspects of static weight perception were assessed by asking participants either to detect on which hand a weight was presented or to compare between two weight cues. Two closed-loop controlled haptic devices were used to present cutaneous and kinesthetic weights, in isolation and together, with a precision of 0.05g. Our results show that combining skin stretch and kinesthetic information leads to better weight detection thresholds than presenting uni-sensory cues does. For supra-threshold stimuli, Weber fractions were 22-44%. Kinesthetic information was less reliable for lighter weights, while both sources of information were equally reliable for weights up to 300g. Weight was perceived as equally heavy regardless of whether skin stretch and kinesthetic cues were presented together or alone. Data for lighter weights complied with an Optimal Integration model, while for heavier weights, measurements were closer to predictions from a Sensory Capture model. The presence of correlated noise might explain this discrepancy, since that would shift predictions from the Optimal Integration model towards our measurements. Our experiments provide device-independent perceptual measures, and can be used to inform, for instance, skin stretch device design.

UR - http://www.scopus.com/inward/record.url?scp=85089298528&partnerID=8YFLogxK

U2 - 10.1109/TOH.2020.3009599

DO - 10.1109/TOH.2020.3009599

M3 - Article

AN - SCOPUS:85089298528

JO - IEEE Transactions on Haptics

JF - IEEE Transactions on Haptics

SN - 1939-1412

ER -