Subjective memory complaints in an elderly sample: a cross‐sectional study

Minett, Thaı́s; Silva, Rosimeire Vieira Da; Ortiz, Karin Zazo; Bertolucci, Paulo Henrique Ferreira

doi:10.1002/gps.1836

Cited by 163 publications

(168 citation statements)

References 28 publications

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“…Again, this is in line with the previous literature (Balash et al, 2013;Caselli et al, 2013;Dux et al, 2008;Minett et al, 2008;Schmand, Jonker, Geerlings, & Lindeboom, 1997) and suggests that SMC and symptoms of anxiety or depression are related.…”

Section: Discussionsupporting

confidence: 92%

“…Depression or anxiety may influence the expression of SMC. Depression is positively associated with SMC (Minett, Da Silva, Ortiz, & Bertolucci, 2008;Zandi, 2004) and may enhance negative attributions (Roberts, Clare, & Woods, 2009) so that individuals may experience a distorted subjective appraisal of their memory function in the presence of depressive symptoms. SMC without objective impairment may be a manifestation of depressive symptoms (Balash et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…Symptoms of depression and anxiety are increased in individuals who have been classified as having MCI (Barnes, Alexopoulos, Lopez, Williamson, & Yaffe, 2006;Bhalla et al, 2009;Chan, Kasper, Black, & Rabins, 2003;Geda et al, 2006;Yates, Clare, & Woods, 2013), potentially indicating a risk factor for the development of MCI, a reaction to the onset of cognitive decline or a circular relationship involving both possibilities. Depression may also form part of a prodromal phase of dementia, which would justify a triple relationship between depression, SMC and cognitive decline (Minett et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

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Subjective Memory Complaints are Involved in the Relationship between Mood and Mild Cognitive Impairment

Yates

Clare

Woods

et al. 2015

JAD

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Objectives: Subjective memory complaints (SMC) are common in older people and previous research has shown an association with mood problems, such as depression and anxiety. SMC form part of the criteria for many definitions of mild cognitive impairment (MCI), but there is controversy over whether they should be included as they may be related more strongly to mood than to objective cognitive impairment. This study aims to clarify the relationship between mood and SMC in people with MCI. Method: This paper reports an analysis of data from the Medical Research Council Cognitive Function and Ageing study. Structured interviews were conducted with community-dwelling older people to assess a range of aspects of cognitive functioning and mood. Data from two time points approximately 24 months apart were used in this analysis. At baseline, participants without dementia or severe cognitive impairment were categorised into three groups according to cognitive status. Mood was investigated by assessing symptoms of anxiety and depression which were defined using a diagnostic algorithm. Associations were tested using logistic regression and chi square analyses. Results: A clear association was shown between SMC and mood, both cross-sectionally and over time. The relationship between our two competing definitions of MCI suggested that mood problems were more strongly related to the presence of SMC than objective cognitive impairment. Conclusion: SMC may be a function of anxiety and depression rather than being related to objective cognitive function. This questions whether SMC should be included in definitions of MCI.

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Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Subjective Memory Complaints are Involved in the Relationship between Mood and Mild Cognitive Impairment

Yates

Clare

Woods

et al. 2015

JAD

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“…Some cross-sectional studies have found associations between SMC and objective memory performance Gagnon et al 1994), although others did not (Bolla et al 1991;Minett et al 2007). Nevertheless, longitudinal studies seem to show this relationship more clearly (Tobiansky et al 1995;Schmand et al 1996)(see Jonker et al 2000 for a review).…”

Section: Introductionmentioning

confidence: 99%

Early dysfunction of functional connectivity in healthy elderly with subjective memory complaints

Bajo

Castellanos

López

et al. 2011

AGE

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It is still an open question whether subjective memory complaints (SMC) can actually be considered to be clinically relevant predictors for the development of an objective memory impairment and even dementia. There is growing evidence that suggests that SMC are associated with an increased risk of dementia and with the presence of biological correlates of early Alzheimer's disease. In this paper, in order to shed some light on this issue, we try to discern whether subjects with SMC showed a different profile of functional connectivity compared with subjects with mild cognitive impairment (MCI) and healthy elderly subjects. In the present study, we compare the degree of synchronization of brain signals recorded with magnetoencephalography between three groups of subjects (56 in total): 19 with MCI, 12 with SMC and 25 healthy controls during a memory task. Synchronization likelihood, an index based on the theory of nonlinear dynamical systems, was used to measure functional connectivity. Briefly, results show that subjects with SMC have a very similar pattern of connectivity to control group, but on average, they present a lower synchronization value. These results could indicate that SMC are representing an initial stage with a hypo-synchronization (in comparison with the control group) where the brain system is still not compensating for the failing memory networks, but behaving as controls when compared with the MCI subjects.

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“…Several related constructs have been used to operationalize SCI, including subjective memory complaints, perceived forgetfulness, or cognitive concerns (Abdulrab & Heun, 2008;Jessen et al, 2014). SCI is common among older adults, with prevalence rates ranging from 15% to 50% across studies (Minett, Da Silva, Ortiz, & Bertolucci, 2008;Reid & Maclullich, 2006); however, it is also decidedly heterogeneous in its clinical presentation as well as long-term cognitive outcomes (Donovan et al, 2014).…”

mentioning

confidence: 99%

Subjective Cognitive Impairment and Affective Symptoms: A systematic review

2016

The Gerontologist

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Purpose of Study: Subjective cognitive impairment (SCI) has been argued to reflect affective symptoms (i.e., depression and anxiety) rather than actual cognitive issues. Although a number of studies exist that look at the associations between SCI and affective symptoms, no review is available to aggregate this disparate literature. We addressed this gap by conducting a systematic review to better understand the relationships among SCI and affective symptoms among older adults in both community and clinical settings. Design and Methods: We reviewed available literature per the criteria of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Weight of evidence (WoE) ratings and narrative synthesis were completed for 58 articles. Results: A majority of studies focused on community-based samples (n = 40). Approximately half (53%) of the articles reviewed met high WoE criteria for the current review. Cross-sectional findings consistently identified a positive relationship among SCI and affective symptoms. Findings from available longitudinal studies (n = 9) were mixed but suggested a possible reciprocal relationship among SCI and depression. The relationship between SCI and anxiety appeared to be driven by fears over loss of function. Following consultation with health professionals, the association between SCI and anxiety was diminished or eliminated. Implications: Although SCI is consistently related to affective symptoms in older adults cross-sectionally, more longitudinal work is needed to understand their temporal relationship. Improved measurement of SCI would support a deeper understanding of the impact of SCI on psychological well-being.

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Subjective memory complaints in an elderly sample: a cross‐sectional study

Abstract: These results support the finding from other cross-sectional studies showing that subjective memory complaints are associated with depressive symptoms rather than objective cognitive performance.

Cited by 163 publications

References 28 publications

Subjective Memory Complaints are Involved in the Relationship between Mood and Mild Cognitive Impairment

Subjective Memory Complaints are Involved in the Relationship between Mood and Mild Cognitive Impairment

Early dysfunction of functional connectivity in healthy elderly with subjective memory complaints

Subjective Cognitive Impairment and Affective Symptoms: A systematic review

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