Micro+expression+training+tool+^new^ - Free+best

"MIT Micro Expression Test"

This app uses a flash-card style interface. You see a face, it flashes an expression, and you swipe to answer. The secret sauce is the "Drill Mode." It tracks which emotions you confuse most often (e.g., confusing Fear with Surprise) and serves you more of those specific pairs.

If you want to start detecting hidden emotions today, these platforms offer the best free entry points:

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