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Seeing a blush on the visible and invisible spectrum: a functional thermal infrared imaging study

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So far blushing has been examined in the context of a negative rather than a positive reinforcement where visual displays of a blush were based on subjective measures. The current study used infrared imaging to measure thermal patterns of the face while with the use of a video camera quantified on the visible spectrum alterations in skin color related to a compliment. To elicit a blush a three-phase dialog was adopted ending or starting with a compliment on a female sample (N = 22). When the dialog ended with a compliment results showed a linear increase in temperature for the cheek, and forehead whereas for the peri-orbital region a linear decrease was observed. The compliment phase marked the highest temperature on the chin independent of whether or not the experiment started with a compliment contrary to other facial regions, which did not show a significant change when the experiment started with a compliment. Analyses on the visible spectrum showed that skin pigmentation was getting deep red in the compliment condition compared to the serious and social dialog conditions for both the forehead and the cheeks. No significant association was observed between temperature values and erythrocyte displays on the forehead and cheek. Heat is the physiological product of an arousing social scenario, however, preconceived notions about blushing propensity seem to drive erythrocyte displays and not necessarily conscious awareness of somatic sensations.
Original languageEnglish
Article number525
JournalFrontiers in Human Neuroscience
Volume11
DOIs
Publication statusPublished - 3 Nov 2017

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  • Seeing a Blush on the Visible and Invisible Spectrum

    Rights statement: The final published version of this article by Stephanos Ioannou et al 'Seeing a blush on the visible and invisible spectrum: a functional thermal infrared imaging study' Front. Hum. Neurosci. 03.11.2017, can be found online at https://doi.org/10.3389/fnhum.2017.00525.

    Final published version, 1.97 MB, PDF document

    Licence: CC BY

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