Reference： <a href="https://www.emotiv.com/myemotiv/">https://www.emotiv.com/myemotiv/</a> 
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Test Platform: Android 6.0.1
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*Not that sensitive, weak connection
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*Can calculation emotion percentile (interest, excitement, engagement, focus, stress, relaxation) under different situations (break, memorizing, etc.) 
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*Display 3D brain sensibility, 2D line chart for different emotions.
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<p><img src="../images/miscellaneous/t1.jpg" width="45%" alt=""></p>
Tests for EMOTIV Insight:
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*Not sensitive, and easy to lose connection. It may blame girl¡¯s heavy hair. (Solved. Remove hair, and put references correctly)
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*When speaking and memorizing (do something), response is much stronger.
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Tests for EMOTIV EPOC+:
<p><img src="../images/miscellaneous/t2.jpg" width="45%" alt=""> &nbsp <img src="../images/miscellaneous/t3.jpg" width="45%" alt=""></p>
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*Not that sensitive, weak connection
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*Cannot well capture full emotion status for an action. (with only 78% contact)