What question did this study set out to answer?

To investigate how reduced sleep efficiency contributes to cognitive dysfunction in major depressive disorder (MDD).

April 10, 2026Open Access

Reduced sleep efficiency leads to cognitive dysfunction in major depressive disorder via disrupting fronto-visual circuit functional connectivity

Key Points

To investigate how reduced sleep efficiency contributes to cognitive dysfunction in major depressive disorder (MDD).
Analyzed the relationship between sleep efficiency and cognitive function in MDD patients.
Utilized imaging techniques to assess fronto-visual circuit connectivity.
Conducted assessments of cognitive performance related to sleep quality.
Found a significant link between reduced sleep efficiency and impaired cognitive function.
Identified disrupted fronto-visual circuit connectivity as a key factor in cognitive deficits.
Highlighted the potential for targeting this circuit therapeutically to improve sleep-related cognitive issues.

Abstract

Our findings suggest that reduced SE may cause cognitive dysfunction in MDD via disrupting the fronto-visual circuit connectivity, which may expose this circuit as a promising potential therapeutic target for ameliorating sleep-related cognitive deficits in patients with MDD.

Reduced sleep efficiency leads to cognitive dysfunction in major depressive disorder via disrupting fronto-visual circuit functional connectivity

Key Points

Abstract

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