Contact evolution of dry and hydrated fingertips at initial touch

Serhat, Gokhan; Vardar, Yasemin; Kuchenbecker, Katherine J.

doi:10.1371/journal.pone.0269722

Cited by 13 publications

(7 citation statements)

References 44 publications

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“…7 and 8, the discrimination performances exhibit broad variances. Individual thermal sensitivities [18]- [20]) and factors that affect contact conditions (e.g., hydration or finger mechanical properties [35]) could have played a role in this variability. Moreover, environmental conditions (e.g., humidity, airflow, and ambient temperature) could have affected the generated thermal patterns, introducing variability in the presented stimuli.…”

Section: Discussionmentioning

confidence: 99%

ThermoSurf: Thermal display technology for dynamic and multi-finger interactions

Peters¹,

Serhat²,

Vardar³

2023

Preprint

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<p>Thermal feedback has been proven to enhance user experience in human-machine interactions. Yet state-of-the-art thermal technology has focused on the single finger or palm in static contact, overlooking dynamic and multi-finger interactions. The underlying challenges include incompatible designs of conventional interfaces for providing salient thermal stimuli for such interactions and, thereby, a lack of knowledge on human thermal perception for relevant conditions. Here we present the ThermoSurf, a new thermal display technology that can deliver temperature patterns on a large interface suitable for dynamic and multi-finger interactions. We also investigate how user exploration affects the perception of the generated temperature distributions. Twenty-three human participants interacted with the device following three exploration conditions (static-single finger, dynamic-single finger, and static-multi finger) and evaluated 15 temperature differences ranging from +1.5 to -7.5 Celcius. Our results showed that human sensitivity against thermal stimuli is significantly greater for static single finger contact compared to the other tested conditions. In addition, this interaction type resulted in higher thermal discrimination thresholds than the ones reported in the literature. Our findings offer new perspectives on providing salient and consistent thermal feedback for future tactile interfaces. </p>

show abstract

Section: Discussionmentioning

confidence: 99%

ThermoSurf: Thermal display technology for dynamic and multi-finger interactions

Peters¹,

Serhat²,

Vardar³

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…6 and 7, the discrimination performances exhibit broad variances. Individual thermal sensitivities [18], [19], [20]) and factors that affect contact conditions (e.g., hydration or finger mechanical properties [36]) could have played a role in this variability. Moreover, environmental conditions (e.g., humidity, airflow, and ambient temperature) could have affected the generated thermal patterns, introducing variability in the presented stimuli.…”

Section: Discussionmentioning

confidence: 99%

ThermoSurf: Thermal Display Technology for Dynamic and Multi-Finger Interactions

2023

Self Cite

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Thermal feedback has been proven to enhance user experience in human-machine interactions. Yet state-of-the-art thermal technology has focused on the single finger or palm in static contact, overlooking dynamic and multi-finger interactions. The underlying challenges include incompatible designs of conventional interfaces for providing salient thermal stimuli for such interactions and, thereby, a lack of knowledge on human thermal perception for relevant conditions. Here we present the ThermoSurf, a new thermal display technology that can deliver temperature patterns on a large interface suitable for dynamic and multi-finger interactions. We also investigate how user exploration affects the perception of the generated temperature distributions. Twenty-three human participants interacted with the device following three exploration conditions: static-single finger, dynamic-single finger, and static-multi finger. In these experiments, the individuals evaluated 15 temperature differences ranging from −7.5 • C to +1.5 • C with an initial temperature of 38 • C. Our results showed that human sensitivity against thermal stimuli is significantly greater for static-single finger contact compared to the other tested conditions. In addition, this interaction type resulted in higher thermal discrimination thresholds than the ones reported in the literature. Our findings offer new perspectives on providing salient and consistent thermal feedback for future tactile interfaces.INDEX TERMS Human-machine interaction, human thermal perception, thermal display, thermal feedback.

show abstract

Section: Discussionmentioning

confidence: 99%

ThermoSurf: Thermal display technology for dynamic and multi-finger interactions

Peters¹,

Serhat²,

Vardar³

2023

Preprint

View full text Add to dashboard Cite

<p>Thermal feedback has been proven to enhance user experience in human-machine interactions. Yet state-of the-art thermal technology has focused on the single finger or palm in static contact, overlooking dynamic and multi-finger interactions. The underlying challenges include incompatible designs of conventional interfaces for providing salient thermal stimuli for such interactions and, thereby, a lack of knowledge on human thermal perception for relevant conditions. Here we present the ThermoSurf, a new thermal display technology that can deliver temperature patterns on a large interface suitable for dynamic and multi-finger interactions. We also investigate how user exploration affects the perception of the generated temperature distributions. Twenty-three human participants interacted with the device following three exploration conditions: static-single finger, dynamic-single finger, and static-multi finger. In these experiments, the individuals evaluated 15 temperature differences ranging from -7.5 °C to +1.5 °C with an initial temperature of 38 °C. Our results showed that human sensitivity against thermal stimuli is significantly greater for static-single finger contact compared to the other tested conditions. In addition, this interaction type resulted in higher thermal discrimination thresholds than the ones reported in the literature. Our findings offer new perspectives on providing salient and consistent thermal feedback for future tactile interfaces. </p>

show abstract

Contact evolution of dry and hydrated fingertips at initial touch

Cited by 13 publications

References 44 publications

ThermoSurf: Thermal display technology for dynamic and multi-finger interactions

ThermoSurf: Thermal display technology for dynamic and multi-finger interactions

ThermoSurf: Thermal Display Technology for Dynamic and Multi-Finger Interactions

ThermoSurf: Thermal display technology for dynamic and multi-finger interactions

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