| Abstract: | 32 depressed patients were interviewed daily throughout their hospitalization. Spectrum analyses of the patients' speech were compared with mood ratings made by the 2 clinicians who jointly conducted the interviews. Using a stepwise multiple regression with cross-validation for each patient, predictions of the mood ratings from the voice spectra correlated significantly (1% level) with the ratings for 25 of the 32 patients. These cross-validation correlations were largest for those patients who showed considerable change in their mood. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
