Journal of occupational and environmental medicine · 2019
Assessment of Objective Symptoms of Depression in Occupational Health Examination.
Клиническое исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Põld Toomas, Päeske Laura, Bachmann Maie, Lass Jaanus, Hinrikus Hiie
Аннотация
OBJECTIVE: The aim of the study was to assess early symptoms of depression in regular occupational health examination using the objective measures based on electroencephalographic (EEG) signal analysis.
METHODS: The study was performed on 125 volunteer participants. The resting-state EEG signal was recorded for 7 minutes. The spectral asymmetry index (SASI) and Higuchi fractal dimension (HFD) were calculated in EEG channel Pz. Parallel, the participants were subjected to two psychological tests, observer-rated HAM-D and self-rated EST-Q-D.
RESULTS: The SASI revealed depressive symptoms for 64.8%, HFD for 55.2%, HAM-D for 44.8%, and EST-Q-D for 28.8% of participants. Combination of two different measures indicated depression symptoms up to 78.4% of participants.
CONCLUSION: The results of this study confirm the feasibility of indication of early symptoms of depression applying EEG-based objective measures.
METHODS: The study was performed on 125 volunteer participants. The resting-state EEG signal was recorded for 7 minutes. The spectral asymmetry index (SASI) and Higuchi fractal dimension (HFD) were calculated in EEG channel Pz. Parallel, the participants were subjected to two psychological tests, observer-rated HAM-D and self-rated EST-Q-D.
RESULTS: The SASI revealed depressive symptoms for 64.8%, HFD for 55.2%, HAM-D for 44.8%, and EST-Q-D for 28.8% of participants. Combination of two different measures indicated depression symptoms up to 78.4% of participants.
CONCLUSION: The results of this study confirm the feasibility of indication of early symptoms of depression applying EEG-based objective measures.