November 28, 2025Scientific ReportsOpen Access

Ear thermal imaging for emotion sensing

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Analysis reveals a negative correlation between ear temperature and emotional arousal, suggesting thermal imaging may advance affective computing.

Negative correlation observed between ear temperature and emotional arousal, indicating potential for new assessments.
Participants viewed emotion-eliciting videos while their ear thermal imaging was analyzed pixel-wise.
Thermal imaging serves as a novel marker for emotional arousal in this observational analysis.
Findings highlight new implications for mental health monitoring and advanced emotion recognition technologies.

Tang et al. (2025) studied this question.

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Analysis reveals a negative correlation between ear temperature and emotional arousal, suggesting thermal imaging may advance affective computing.