Linguistic style as a digital marker for depression severity: An ambulatory assessment pilot study in patients with depressive disorder undergoing sleep deprivation therapy.

ABSTRACT:

Background

Digital phenotyping and monitoring tools are the most promising approaches to automatically detect upcoming depressive episodes. Especially, linguistic style has been seen as a potential behavioral marker of depression, as cross-sectional studies showed, for example, less frequent use of positive emotion words, intensified use of negative emotion words, and more self-references in patients with depression compared to healthy controls. However, longitudinal studies are sparse and therefore it remains unclear whether within-person fluctuations in depression severity are associated with individuals' linguistic style.

Methods

To capture affective states and concomitant speech samples longitudinally, we used an ambulatory assessment approach sampling multiple times a d

SUBMITTER: Hartnagel LM 

PROVIDER: S-EPMC11787911 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature