Functional infrared thermal imaging (fITI) is considered an upcoming, promising methodology in the emotional arena. Driven by sympathetic nerves, observations of affective nature derive from muscular activity subcutaneous blood flow as well as perspiration patterns in specific body parts. A review of 23 experimental procedures that employed fITI for investigations of affective nature is provided, along with the adopted experimental protocol and the thermal changes that took place on selected regions of interest in human and nonhuman subjects. Discussion is provided regarding the selection of an appropriate baseline, the autonomic nature of the thermal print, the experimental setup, methodological issues, limitations, and considerations, as well as future directions.
Thermal infrared imaging in psychophysiology: potentialities and limits / Ioannou, Stephanos; Gallese, Vittorio; Merla, Arcangelo. - In: PSYCHOPHYSIOLOGY. - ISSN 0048-5772. - 51:10(2014), pp. 951-963. [10.1111/psyp.12243]
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