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Updated: Jun 2, 2026

Using Retinal Imaging to Study Dementia

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Published on: November 6, 2017

Depression and risk of developing dementia.

Amy L Byers¹, Kristine Yaffe

¹Department of Psychiatry, University of California, San Francisco and San Francisco Veterans Affairs Medical Center, 4150 Clement Street (116H), San Francisco, CA 94121, USA. amy.byers@ucsf.edu

Nature Reviews. Neurology

|May 4, 2011

Summary

Early-life depression significantly increases dementia risk. Late-life depression

Area of Science:

Neuroscience
Gerontology
Psychiatry

Background:

Depression is a common condition across the lifespan, while dementia is prevalent in older adults.
Evidence suggests a link between depression and dementia, with the timing of depression potentially influencing this association.
Earlier-life depression is consistently linked to a twofold increase in dementia risk, whereas the relationship with late-life depression is less clear.

Purpose of the Study:

To review and analyze the current evidence on the association between earlier-life and late-life depression and dementia.
To discuss the biological mechanisms underlying the depression-dementia link.
To explore the implications of depression treatment on dementia risk and cognitive outcomes.

Main Methods:

Systematic review and analysis of existing literature.

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Design and Implementation of an fMRI Study Examining Thought Suppression in Young Women with, and At-risk, for Depression

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Using Retinal Imaging to Study Dementia

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Design and Implementation of an fMRI Study Examining Thought Suppression in Young Women with, and At-risk, for Depression

Design and Implementation of an fMRI Study Examining Thought Suppression in Young Women with, and At-risk, for Depression

Published on: May 19, 2015

Examination of biological pathways potentially linking depression and dementia.

Discussion of treatment strategies and their impact on cognition.

Main Results:

Earlier-life depression shows a consistent association with increased dementia risk.
The relationship between late-life depression and dementia remains debated, with ongoing research into whether it's a prodrome, consequence, or risk factor.
Potential biological mechanisms include vascular disease, hormonal changes, neuroinflammation, and altered growth factors.

Conclusions:

The timing of depression is crucial in understanding its relationship with dementia.
Understanding the mechanisms and impact of depression treatment is vital for managing dementia risk.
Further research is needed to clarify the late-life depression-dementia link and optimize interventions.