Speech Features as Predictors of Momentary Depression Severity in Patients With Depressive Disorder Undergoing Sleep Deprivation Therapy: Ambulatory Assessment Pilot Study

Lisa-Marie Wadle   ¹ , MSc ;   Ulrich W Ebner-Priemer   ^{1, 2} , Prof Dr ;   Jerome C Foo   ^{3, 4, 5} , PhD ;   Yoshiharu Yamamoto   ⁶ , Prof Dr ;   Fabian Streit   ³ , PhD ;   Stephanie H Witt   ³ , PhD ;   Josef Frank   ³ , PhD ;   Lea Zillich   ³ , PhD ;   Matthias F Limberger   ¹ , MA ;   Ayimnisagul Ablimit   ⁷ , MSc ;   Tanja Schultz   ⁷ , Prof Dr ;   Maria Gilles   ² , MD ;   Marcella Rietschel   ³ , Prof Dr Med ;   Lea Sirignano   ³ , MSc

¹ Mental mHealth Lab, Institute of Sports and Sports Science, Karlsruhe Institute of Technology, Karlsruhe, Germany

² Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany

³ Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany

⁴ Institute for Psychopharmacology, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany

⁵ Department of Psychiatry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada

⁶ Educational Physiology Laboratory, Graduate School of Education, University of Tokyo, Tokyo, Japan

⁷ Cognitive Systems Lab, University of Bremen, Bremen, Germany