Journal
PERVASIVE COMPUTING PARADIGMS FOR MENTAL HEALTH
Volume 100, Issue -, Pages 103-114Publisher
SPRINGER-VERLAG BERLIN
DOI: 10.1007/978-3-319-11564-1_11
Keywords
Bipolar disorder; Smartphone; Voice analysis; Phone calls
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Funding
- FP7- ICT MONARCA project [248545]
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In this work we show how phone call conversations can be used to objectively predict manic and depressive episodes of people suffering from bipolar disorder. In particular, we use phone call statistics, speaking parameters derived from phone conversations and emotional acoustic features to build and test user-specific classification models. Using the random forest classification method, we were able to predict the bipolar states with an average F1 score of 82%. The most important variables for prediction were speaking length and phone call length, the HNR value, the number of short turns and the variance of pitch F-0.
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