Santa Lucia - Neurosciences and Rehabilitation Sapienza University of Rome

Thermal Imaging (TII)

Thermal Imaging (TII) is a very-sensitive, state-of-the-art contact-free methodology able to estimate variations in autonomic activity. Such variations are reflected in changes of cutaneous temperature that can be detected by recording the thermal infrared signals spontaneously released by the human body. TII has been previously used to detect deception showing a high accuracy. Being completely non invasive, the TI is particularly indicated for developmental research. In this study we will perform Thermal TII imaging by means of a digital thermal camera (FLIR SC3000, FlirSystems, Sweden), with a Focal Plane Array of 320 x 240 QWIP detectors, capable of collecting the thermal radiation in the 8-9 μm band, with a 0.02 second time resolution, and 0.02 K temperature sensitivity. Sampling rate for thermal imaging will be set at 60 frame/sec. Regions of interest (ROI) for periorbital, and nose tip areas will be defined. For a proper processing of the selected ROIs temperature, a ROI tracking system will be implemented. For each subject the average temperature per condition will be normalized to the average of the two baselines of the correspondent ROI and used as dependent measure.

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