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[Cognitive functions in late life depression].

Caroline Masse1, Gilles Chopard2, Djamila Bennabi1

  • 1Service de psychiatrie de l'adulte et de la personne âgée, CHU de Besançon, France, Laboratoire de recherches intégratives en neurosciences et psychologie cognitive, Université Bourgogne - Franche-Comté, Besançon, France.

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PubMed
Summary
This summary is machine-generated.

Late-life depression often involves cognitive disorders linked to brain circuit dysfunction. These impairments may precede depression and indicate a risk for neurocognitive disorders like Alzheimer's disease.

Keywords:
Cognitive declinebiomarkerdementialate-life depressionrisk factor

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Area of Science:

  • Neuroscience
  • Gerontology
  • Psychiatry

Background:

  • Late-life depression frequently co-occurs with cognitive disorders.
  • These cognitive issues may stem from fronto-striatal and hippocampal dysfunction, potentially linked to cerebrovascular diseases.
  • Distinguishing between early and late-onset depression is crucial due to differing cognitive profiles and causes.

Purpose of the Study:

  • To explore the relationship between cognitive disorders and late-life depression.
  • To investigate the potential of cognitive impairment as a biomarker for depression state, trait, or risk.
  • To understand the implications of cognitive disorders in late-life depression for treatment and prognosis.

Main Methods:

  • Review of literature on cognitive function in late-life depression.
  • Analysis of neuroimaging and neuropsychological data in depressed elderly populations.
  • Comparison of cognitive profiles in early-onset versus late-onset depression.

Main Results:

  • Cognitive impairments are common in late-life depression, affecting various functions.
  • These deficits can precede depressive episodes and persist after remission.
  • Cognitive dysfunction is associated with negative outcomes, including reduced psychotherapy effectiveness and increased risk for neurocognitive disorders.

Conclusions:

  • Cognitive disorders are a significant feature of late-life depression.
  • Further research is needed to clarify the role of cognitive impairment as a biomarker.
  • Addressing cognitive deficits is critical for improving depression management and preventing progression to neurocognitive disorders like Alzheimer's disease.