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Mild Depression Alters Facial Expressions, Study Finds

9/23/2025

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Summary

Story summary

Waseda University researchers report mild depression can alter facial expressions detectable by humans and artificial intelligence (AI).
The study involved 64 Japanese university students, split into minimal-symptom and subthreshold-depression groups.
They recorded self-introductions rated by 63 peers on friendliness and likeability.
AI found distinct facial-movement patterns linked to tension in subthreshold-depression, though limits include self-reports and a culturally specific sample.

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Story summary

Waseda University researchers report mild depression can alter facial expressions detectable by humans and artificial intelligence (AI).
The study involved 64 Japanese university students, split into minimal-symptom and subthreshold-depression groups.
They recorded self-introductions rated by 63 peers on friendliness and likeability.
AI found distinct facial-movement patterns linked to tension in subthreshold-depression, though limits include self-reports and a culturally specific sample.