Psychophysical Effects of Experiencing Burning Hands in Augmented Reality

Eckhoff, Daniel; Cassinelli, Álvaro; Liu, Tuo; Sandor, Christian

doi:10.1007/978-3-030-62655-6_5

Cited by 13 publications

(7 citation statements)

References 37 publications

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“…A vivid image of flames may be particularly effective, as this is universally recognized as a potential threat (Erlich et al, 2013). Additionally, the experience of realistic, simulated flames has been shown to elicit involuntary heat illusions in participants (Weir et al, 2013;Eckhoff et al, 2020), and we suspect that there could be causal relationships between these involuntary illusions and the strong modulatory effects on HPT, CPT and WDT we describe here, even if the nature and direction of these causal links remain unclear.…”

Section: Discussionmentioning

confidence: 79%

“…When these virtual sensory stimuli are coherently merged with the real world and experienced in an immersive manner (e.g., through Head-Mounted Displays), they can induce a plausibility illusion (Slater et al, 2009), thereby suspending disbelief and triggering a natural associated response. For example, Weir et al (2013) and Eckhoff et al (2020) have reported that an AR experience during which users experience their own hands covered in flames create involuntary heat and olfactory illusions. This raises the question of the extent to which this AR-induced cross-modal illusion can modulate thermal perception.…”

Section: Introductionmentioning

confidence: 99%

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Thermal pain and detection threshold modulation in augmented reality

Eckhoff

Sandor

Cheing

et al. 2022

Front. Virtual Real.

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Augmented Reality (AR) overlays computer-generated visual, auditory or other sensory information onto the real world. Due to recent technological advancement in the field, it can become increasingly difficult for the user to differentiate between sensory information coming from real and virtual objects, leading to interesting perceptual phenomena. For example, an AR experience in which users can experience their own hands in flames has been shown to elicit heat illusions on the affected hands. In this study, we investigate the potential that AR has for top-down modulation of pain and thermal perception. We assessed thermal pain and detection thresholds on the participant’s right hand while covering it with realistic virtual flames. We compared this experience to a baseline condition with no additional stimuli. We also report on a condition in which the hand is covered by a blue fluid not instantly associated with fire. We found that experiencing a virtual burning hand induces analgesic as well hyperalgesic effects as participants begin to feel heat related pain at lower temperatures and cold related pain at higher temperatures. The experience also impacts significantly on the lowest temperature at which participants starts perceiving warmth. The blue fluid do not affect the thresholds corresponding to the baseline condition. Our research thus confirms previous experiments showing that pain and thermal perception can be manipulated by by AR, while providing quantitative results on the magnitude of this effect.

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Section: Discussionmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Thermal pain and detection threshold modulation in augmented reality

Eckhoff

Sandor

Cheing

et al. 2022

Front. Virtual Real.

Self Cite

View full text Add to dashboard Cite

show abstract

“…A vivid image of flames may be particularly effective as this is universally recognized as a potential threat (Erlich et al, 2013). Additionally, this experience has been shown to elicit involuntary heat illusions in participants (Weir et al, 2013; Eckhoff et al, 2020), which might be reason for the strong modulatory effects on HPT, CPT and WDT.…”

Section: Discussionmentioning

confidence: 99%

Thermal Pain and Detection Threshold Modulation in Augmented Reality

Eckhoff

Sandor

Cheing

et al. 2022

Preprint

Self Cite

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Augmented Reality (AR) overlays computer-generated visual, auditory or other sensory information on the real world. Due to recent advancements in AR it can be difficult for the user to differentiate between sensory information coming from real and virtual objects, leading to interesting phenomena. For example, an AR experience in which users can experience their own hands in flames has been shown to elicit heat illusions on the affected hands. In this study, we investigate the potential that AR has for top-down modulation of pain and thermal perception. We assessed thermal pain and detection thresholds on the participant's right hand when they experienced that hand covered in virtual flames in AR. We compared that experience to a baseline condition with no additional stimuli as well to a control condition that sees the hand covered by unrealistic blue flames to compensate the distraction factor. We found that experiencing a burning hand in AR induced analgesic and hyperalgesic effects as participants began to feel heat related pain on lower temperatures and cold related pain on higher temperatures. That experience also significantly changed the lowest temperature at which participants started perceiving warmth. These results demonstrate that pain and thermal perception can be manipulated by altering the perception of our body in AR.

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“…Indeed, the equivalence of AR-based interactions is believed to be rooted in the platform's capacity for eliciting two orthogonal phenomena: presence and plausibility illusion (Psi). Both variables ultimately contribute towards realistic responses to virtual scenarios in VR (Steptoe et al, 2013) and AR (Eckhoff et al, 2020).…”

Section: Virtual Wildlife Interactionsmentioning

confidence: 99%

“…Psi is determined by a myriad of factors, including the system's capacity to present events directly tied to the user's actions, and the overall credibility of the scenario. While both presence and Psi were originally created within the context of VR, both social presence (Yoon et al, 2019) and Psi (Eckhoff et al, 2020) measures are regularly adapted to AR-based scenarios. Speci c to wildlife interactions in AR, high Psi would indicate the user knows that they are not actually engaging with a living being, but they still feel as though they are, which elicits responses akin to if they were actually engaging in the activity (Slater & Sanchez-Vives, 2016).…”

Section: Plausibility Illusionmentioning

confidence: 99%

Saving species in a snap: On the feasibility and efficacy of augmented reality-based wildlife interactions for conservation

Pimentel

2022

Journal for Nature Conservation

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Psychophysical Effects of Experiencing Burning Hands in Augmented Reality

Cited by 13 publications

References 37 publications

Thermal pain and detection threshold modulation in augmented reality

Thermal pain and detection threshold modulation in augmented reality

Thermal Pain and Detection Threshold Modulation in Augmented Reality

Saving species in a snap: On the feasibility and efficacy of augmented reality-based wildlife interactions for conservation

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