Multichannel Weighted Speech Classification System for Prediction of Major Depression in Adolescents

Kuan Ee Brian Ooi · Margaret Lech · Nicholas Brian Allen

84 citations0/0 files storedIEEE Transactions on Biomedical Engineering

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Emotion and Mood Recognition Voice and Speech Disorders Mental Health via Writing

Abstract

Early identification of adolescents at high imminent risk for clinical depression could significantly reduce the burden of the disease. This study demonstrated that acoustic speech analysis and classification can be used to determine early signs of major depression in adolescents, up to two years before they meet clinical diagnostic criteria for the full-blown disorder. Individual contributions of four different types of acoustic parameters [prosodic, glottal, Teager's energy operator (TEO), and spectral] to depression-related changes of speech characteristics were examined. A new computational methodology for the early prediction of depression in adolescents was developed and tested. The novel aspect of this methodology is in the introduction of multichannel classification with a weighted decision procedure. It was observed that single-channel classification was effective in predicting depression with a desirable specificity-to-sensitivity ratio and accuracy higher than chance level only when using glottal or prosodic features. The best prediction performance was achieved with the new multichannel method, which used four features (prosodic, glottal, TEO, and spectral). In the case of the person-based approach with two sets of weights, the new multichannel method provided a high accuracy level of 73% and the sensitivity-to-specificity ratio of 79%/67% for predicting future depression.

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References

2000Adolescent Onset of the Gender Difference in Lifetime Rates of Major Depression 2010Emotional Inertia and Psychological Maladjustment 2009Prevention of Depression in At-Risk Adolescents 2000Acoustical properties of speech as indicators of depression and suicidal risk 2001Nonlinear feature based classification of speech under stress 1980Some observations on oral air flow during phonation 2001Family Processes in Adolescent Depression 2011Emotional inertia prospectively predicts the onset of depressive disorder in adolescence.

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