Objectively measured cognitive function in insomnia patients with and without comorbid depression treated with cognitive behavioral therapy for insomnia.

ABSTRACT:

Background

Insomnia and depression are common, comorbid conditions with cognitive consequences. Cognitive behavioral therapy for insomnia (CBT-I) improves subjective cognition, but effects on objective performance are unclear. This study aims to examine cognitive differences in insomnia with and without comorbid depression, and changes in cognition following CBT-I.

Methods

This study examined cognitive outcomes in 170 (124 for longitudinal analyses) participants from two randomized clinical trials of internet-delivered 9 or 12 weeks CBT-I for patients with insomnia (n = 78) or comorbid insomnia and depression (n = 92). Cognitive performance was assessed pre- and post-treatment using selected computerized cognitive tests from the CANTAB battery. Linear regression and mixed-ef

SUBMITTER: Tamm S 

PROVIDER: S-EPMC12490117 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature