Five Stages of Grief
Prolonged grief and cognitive decline. A prospective population-based study in middle-aged and older persons
Full Text
Highlights
Bereavement can result in unresolved and prolonged grief.
Prolonged grief is defined as present when mourners have symptoms of separation distress (e.g., yearning, searching) and traumatic distress (e.g., disbelief, troubling accepting the death, bitterness) for at least 6 months, to the point of functional impairment.
Prolonged grief is a condition that has a great impact on the quality of life, but the impact of prolonged grief on cognitive functioning is poorly understood.
The aim of the current study was to compare the cognitive decline, assessed by repeated measures of different cognition domains, between persons with normal and prolonged grief, and a non-grieving reference population in a 7-year follow-up study.
Our results demonstrate that prolonged grief is a risk factor for cognitive decline.
Prolonged grief is defined as present when mourners have symptoms of separation distress (e.g., yearning, searching) and traumatic distress (e.g., disbelief, troubling accepting the death, bitterness) for at least 6 months, to the point of functional impairment.
Prolonged grief is a condition that has a great impact on the quality of life, but the impact of prolonged grief on cognitive functioning is poorly understood.
The aim of the current study was to compare the cognitive decline, assessed by repeated measures of different cognition domains, between persons with normal and prolonged grief, and a non-grieving reference population in a 7-year follow-up study.
Our results demonstrate that prolonged grief is a risk factor for cognitive decline.
Abstract
Objective
Bereavement
can result in unresolved and prolonged grief, often termed prolonged
grief disorder (PGD). The impact of PGD on cognitive functioning is
poorly understood. The aim of the study was to compare the cognitive
decline, assessed by repeated measures of different cognition domains,
between persons with normal and PGD, and a non-grieving reference
population in a 7-year follow-up study.
Method
The
study sample comprised 3126 non-demented persons, mean age: 64 years,
of the Rotterdam Study. Participants were classified into three groups:
no grief (reference group, N=2582), normal grief (N=418), prolonged
grief disorder (N=126). Participants were assessed with the Complicated
Grief Inventory and underwent cognitive testing (Mini Mental State
Examination (MMSE), Letter-Digit Substitution test, Stroop test, Word
fluency task, Word learning test). Analyses were adjusted for baseline
cognition, depressive symptoms; persons with major depressive disorders
were excluded.
Results
Compared
to the reference group, participants with PGD showed a decrease in
global cognitive function, MMSE scores, and World learning test
(immediate and delayed) over time. Participants with normal grief did
not show a stronger cognitive decline in any of cognitive tests than the
reference group.
Conclusions
Participants
with PGD showed a stronger cognitive decline than the reference group
during 7 years of follow-up. This suggests that PGD is a risk factor for
cognitive decline, but this study cannot detect the psychobiological
mechanism underlying this longitudinal association.
Key Words:
Grief, prolonged grief disorder, cognition, cognitive decline, elderly persons, population-basedTo access this article, please choose from the options below
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Previous Presentation: None
© 2017 Published by Elsevier Inc. on behalf of American Association for Geriatric Psychiatry.
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