Title
A deep transfer learning approach for improved post-traumatic stress disorder diagnosis.
Abstract
Post-traumatic stress disorder (PTSD) is a traumatic-stressor-related disorder developed by exposure to a traumatic or adverse environmental event that caused serious harm or injury. Structured interview is the only widely accepted clinical practice for PTSD diagnosis but suffers from several limitations including the stigma associated with the disease. Diagnosis of PTSD patients by analyzing speech signals has been investigated as an alternative since recent years, where speech signals are processed to extract frequency features and these features are then fed into a classification model for PTSD diagnosis. In this paper, we developed a deep belief network (DBN) model combined with a transfer learning (TL) strategy for PTSD diagnosis. We computed three categories of speech features and utilized the DBN model to fuse these features. The TL strategy was utilized to transfer knowledge learned from a large speech recognition database, TIMIT, for PTSD detection where PTSD patient data are difficult to collect. We evaluated the proposed methods on two PTSD speech databases, each of which consists of audio recordings from 26 patients. We compared the proposed methods with other popular methods and showed that the state-of-the-art support vector machine (SVM) classifier only achieved an accuracy of 57.68%, and TL strategy boosted the performance of the DBN from 61.53 to 74.99%. Altogether, our method provides a pragmatic and promising tool for PTSD diagnosis. Preliminary results of this study were presented in Banerjee (in: 2017 IEEE international conference on data mining (ICDM), IEEE, 2017).
Year
DOI
Venue
2019
10.1007/s10115-019-01337-2
Knowledge and Information Systems
Keywords
DocType
Volume
Speech based PTSD diagnosis, Deep belief network, Deep learning, Transfer learning
Journal
60
Issue
ISSN
Citations 
3
0219-1377
1
PageRank 
References 
Authors
0.35
24
10
Name
Order
Citations
PageRank
Banerjee, D.1131.67
Kazi Aminul Islam210.35
Keyi Xue310.35
Gang Mei472.17
Lemin Xiao593.50
Guangfan Zhang6394.64
Roger Xu711114.71
Lei Cai8305.35
Shuiwang Ji92579122.25
Jiang Li1025127.28