Related Experiment Video
Updated: Aug 7, 2025

Author Spotlight: Therapeutic Benefit of Closed-Loop Deep Brain Stimulation in Depression Treatment
Published on: July 7, 2023
Estimating Depressive Symptom Class from Voice.
Takeshi Takano1, Daisuke Mizuguchi2, Yasuhiro Omiya1,2
1Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan.
This study shows voice analysis can identify distinct depression symptom groups. Acoustic features from speech successfully clustered patients with 79% accuracy, aiding in targeted depression treatment.
Area of Science:
- Psychiatry
- Computational Linguistics
- Speech Analysis
Background:
- Voice-based methods offer an objective approach to depression detection.
- Current research primarily focuses on estimating depression presence or severity.
- Estimating specific depression symptoms is crucial for effective treatment and patient distress relief.
Purpose of the Study:
- To cluster depression symptoms using patient speech.
- To estimate patient symptom groups based on acoustic speech features.
- To assess the feasibility of voice analysis for detailed depression symptom profiling.
Main Methods:
- Collected speech data from patients diagnosed with depression.
- Utilized acoustic features extracted from patient speech recordings.
- Applied clustering algorithms to group patients based on speech characteristics.
- Correlated speech-based clusters with Hamilton Depression Rating Scale (HAM-D) scores.
Main Results:
- Successfully clustered patients into different symptom groups using speech.
- Achieved a classification accuracy of 79% in separating symptom groups.
- Demonstrated a significant correlation between acoustic features and depression symptom clusters.
Conclusions:
- Voice analysis is a viable tool for estimating depression symptom clusters.
- Speech-based symptom profiling can complement traditional depression assessment.
- This method holds potential for personalized depression treatment strategies.
Related Concept Videos
Depressive Disorders: MDD and Dysthymia
Depressive Disorders: Etiology
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Depression: Overview
Long-term Depression
Classification of Illness
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe...
Assessment of Ventilation II: Respiratory Depth and Rhythm
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:

