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Gavett R, Dunn JE, Stoddard A, et al. The Cognitive Change in Women study (CCW): informant ratings of cognitive change but not self-ratings are associated with neuropsychological performance over 3 years. Alzheimer Dis Assoc Disord. 2011;25(4):305-11doi: 10.1097/WAD.0b013e31820d8652.
Gavett, R., Dunn, J. E., Stoddard, A., Harty, B., & Weintraub, S. (2011). The Cognitive Change in Women study (CCW): informant ratings of cognitive change but not self-ratings are associated with neuropsychological performance over 3 years. Alzheimer disease and associated disorders, 25(4), 305-11. https://doi.org/10.1097/WAD.0b013e31820d8652
Gavett, Rebecca, et al. "The Cognitive Change in Women study (CCW): informant ratings of cognitive change but not self-ratings are associated with neuropsychological performance over 3 years." Alzheimer disease and associated disorders vol. 25,4 (2011): 305-11. doi: https://doi.org/10.1097/WAD.0b013e31820d8652
Gavett R, Dunn JE, Stoddard A, Harty B, Weintraub S. The Cognitive Change in Women study (CCW): informant ratings of cognitive change but not self-ratings are associated with neuropsychological performance over 3 years. Alzheimer Dis Assoc Disord. 2011 Oct-Dec;25(4):305-11. doi: 10.1097/WAD.0b013e31820d8652. PMID: 22086219; PMCID: PMC3220881.
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Alzheimer Dis Assoc Disord. 2011 Oct-Dec;25(4):305-11. doi: 10.1097/WAD.0b013e31820d8652.

The Cognitive Change in Women study (CCW): informant ratings of cognitive change but not self-ratings are associated with neuropsychological performance over 3 years.

Alzheimer disease and associated disorders

Rebecca Gavett, Julie E Dunn, Anne Stoddard, Brian Harty, Sandra Weintraub

Affiliations

  1. Department of Psychiatry and Behavioral Sciences, Feinberg School of Medicine, Cognitive Neurology and Alzheimer's Disease Center, Northwestern University, Chicago, IL 60611, USA. [email protected]

PMID: 22086219 PMCID: PMC3220881 DOI: 10.1097/WAD.0b013e31820d8652

Abstract

The value of self-reported memory complaints for identifying or predicting future cognitive decline or dementia is controversial, but observations from a third party, or "informant," may prove more useful. The relationship between Informant and Self-ratings of cognitive status and neuropsychological test scores was examined in a cohort of 384 nondemented, community-dwelling women, aged 60 years and older, participating in a single-site Women's Health Initiative ancillary study. Each participant and her respective informant separately completed the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE). Participants also underwent neuropsychological testing and responded to questionnaires on depression and functioning in complex activities of daily living. All neuropsychological test scores were significantly correlated (P values <0.05 to <0.01) with IQCODE ratings whereas Self-ratings overestimated cognitive functioning in some domains. Furthermore, the Self and Informant ratings were both positively correlated with depression and negatively correlated with participants' activity level. Therefore, informant judgments of functional abilities are robust predictors of cognitive status in high functioning nondemented women. These results suggest that informants may be sensitive to changes that are not clinically significant but that may represent an incipient trend for decline.

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