Thermal Perception and Thermal Devices Used on Body Parts Other Than Hand or Face

Abstract

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Feeling the Temperature of the Room: Unobtrusive Thermal Display of Engagement during Group Communication

“…Previous work has identified locations on the body that are best suited to thermal feedback. Several groups have compared temperature sensitivity and device usability on multiple body parts [39,53,87]. In general, hand [87,91] and wrist-worn [39,53,70,87] devices were found to be effective and usable and have therefore been used in a range of application scenarios.…”

“…Several groups have compared temperature sensitivity and device usability on multiple body parts [39,53,87]. In general, hand [87,91] and wrist-worn [39,53,70,87] devices were found to be effective and usable and have therefore been used in a range of application scenarios. Researchers have used thermal signals to communicate non-verbal messages to a partner [17,51], to communicate color to visually impaired people [8], as mobile icons [84], and as a mobile display [82].…”

Tactile navigation with checkpoints as progress indicators?

“…Persons with both vision and hearing impairments have to rely primarily on tactile feedback, which accordingly is frequently used in assistive devices -and is preferable to audio feedback in many cases, even for users without hearing impairments [9]. While thermal feedback is a potential alternative [25,26], the latency of thermal devices, especially when cooling down, makes them inadequate for the quick communication [11] required for spatial navigation. Aiding persons with deafblindness [6] in such tasks by developing an unobtrusive wearable device (Figure 1) is an important aim of the European project SUITCEYES [13].…”

Thermal Textile Pixels: The Characterisation of Temporal and Spatial Thermal Development

“…The threshold for thermal perception (the least detectable noticeable difference) is lower for cooler temperatures than for warmer temperatures, and the thresholds are larger for lower body parts than for the upper body [17].…”

“…The thermal modality of human sensation is susceptible to illusions, such as the phenomenon known as the thermal grill illusion [17], which refers to a sensation of heating or cooling that occurs in absence of any change in actual skin temperature. Research using this phenomenon include experiments conducted by Manasrah et al [18], Hojatmadani and Reed [19], and Oron-Gilad et al [20].…”