Hostname: page-component-586b7cd67f-dlnhk Total loading time: 0 Render date: 2024-11-22T12:51:10.344Z Has data issue: false hasContentIssue false

Impact of informal caregiving on cognitive function and well-being in Canada

Published online by Cambridge University Press:  13 December 2017

Sasha Mallya
Affiliation:
Department of Psychology, Institute for Stress and Wellbeing Research, Ryerson University, Toronto, Ontario, Canada
Alexandra J. Fiocco*
Affiliation:
Department of Psychology, Institute for Stress and Wellbeing Research, Ryerson University, Toronto, Ontario, Canada
*
Correspondence should be addressed to: Alexandra J. Fiocco, PhD, Department of Psychology, Institute for Stress and Wellbeing Research, Ryerson University, 350 Victoria Street, Toronto ON M5B 2K3, Canada. Phone: +1-416-979-5000 ext 3008; Fax: +1-416-979-5273. Email: [email protected].

Abstract

Background:

With a rise in the aging population and a consequential rise in persons diagnosed with dementia comes an increase in the number of informal caregivers who are caring for a loved one. The objective of the proposed study was to assess the neurocognitive and psychological effects of caring for a person with dementia or a related neurodegenerative disease in a sample of Canadian informal caregivers.

Methods:

Fifty-seven informal caregivers of a person with dementia or a related neurodegenerative disease (mean age = 66.26, SD = 7.55) and 97 non-caregivers (mean age = 69.16, SD = 4.84) were recruited. Neuropsychological measures of attention, cognitive flexibility, verbal learning, delayed recall, and verbal fluency were examined, and questionnaires related to perceived stress, quality of life, mood, and self-esteem were administered.

Results:

Caregivers made more errors on a measure of cognitive flexibility (p = 0.02), generated fewer words on measures of phonemic fluency (p < 0.01) and semantic fluency (p < 0.001), and learned significantly fewer words on a list-learning task (p < 0.01). Caregivers also reported experiencing significantly more perceived stress (p < 0.001), lower quality of life (p < 0.001), and were more likely to meet the cut-off for clinically significant depressive symptoms on a self-report scale (p < 0.001).

Conclusion:

These data contribute to a growing body of literature that consistently points to the need for immediate action to improve the welfare of caregivers.

Type
Original Research Article
Copyright
Copyright © International Psychogeriatric Association 2017 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Alzheimer’s Disease International. (2015). World Alzeimer's Report 2015: The Global Impact of Dementia. https://www.alz.co.uk/research/WorldAlzheimerReport2015.pdfGoogle Scholar
Baldo, J. V. and Shimamura, A. P. (1998). Letter and category fluency in patients with frontal lobe lesions. Neuropsychology, 12, 259267.Google Scholar
Benton, A. L. (1989). Multilingual Aphasia Examination. Iowa City, IA: AJA Associates.Google Scholar
Burckhardt, C. S. and Anderson, K. L. (2003). The Quality of Life Scale (QOLS): reliability, validity, and utilization. Health and Quality of Life Outcomes, 1, 60.Google Scholar
Caswell, L., Vitaliano, P. and Croyle, K. (2003). Negative associations of chronic stress and cognitive performance in older adult spouse caregivers. Experimental Aging Research, 29, 303318.Google Scholar
Cohen, S., Kamarch, T. and Mermelstein, R. (1983). A global measure of perceived stress. Journal of Health and Social Behavior, 24, 385396.Google Scholar
de Vugt, M. E. et al. (2006). Cognitive functioning in spousal caregivers of dementia patients: findings from the prospective MAASBED study. Age Ageing, 35, 160166.Google Scholar
Delis, D. C., Kramer, J. H., Kaplan, E. and Ober, B. A. (2000). CVLT-II. New York, NY: The Psychological Corporation.Google Scholar
Flanagan, J. C. (1978). A research approach to improving our quality of life. American Psychologist, 33, 138147.Google Scholar
Folstein, M. F., Folstein, S. E. and McHugh, P. R. (1975). “Mini-mental state”. A practical method for grading the cognitive state of patients for the clinician. Journal of Psychiatric Research, 12, 189198.Google Scholar
Gallagher-Thompson, D. et al. (2006). Ethnicity, stress, and cortisol function in hispanic and non-hispanic white women: a preliminary study of family dementia caregivers and noncaregivers. The American Journal of Geriatric Psychiatry, 14, 334342.Google Scholar
Henry, J. D. and Crawford, J. R. (2004). A meta-analytic review of verbal fluency performance following focal cortical lesions. Neuropsychology, 18, 284295.Google Scholar
Lee, S., Kawachi, I. and Grodstein, F. (2004). Does caregiving stress affect cognitive function in older women? Journal of Nervous and Mental Disease, 192, 5157.Google Scholar
Lupien, S. J., Maheu, F., Tu, M., Fiocco, A. and Schramek, T. E. (2007). The effects of stress and stress hormones on human cognition: implications for the field of brain and cognition. Brain and Cognition, 65, 209237.Google Scholar
Mahurin, R. K. et al. (2006). Trail making test errors and executive function in schizophrenia and depression. Clinical Neuropsychologist, 20, 271288.Google Scholar
McEwen, B. S. (1998). Protective and damaging effects of stress mediators. New England Journal of Medicine, 338, 171179.Google Scholar
McEwen, B. S. (2008). Central effects of stress hormones in health and disease: understanding the protective and damaging effects of stress and stress mediators. European Journal of Pharmacology, 583, 174185.Google Scholar
Norton, M. C. et al. (2010). Greater risk of dementia when spouse has dementia? The cache county study. Journal of the American Geriatrics Society, 58, 895900.Google Scholar
Perret, E. (1974). The left frontal lobe of man and the suppression of habitual responses in verbal categorical behaviour. Neuropsychologia, 12, 323330.Google Scholar
Pinquart, M. and Sörensen, S. (2003). Differences between caregivers and noncaregivers in psychological health and physical health: a meta-analysis. Psychol Aging, 18, 250267.Google Scholar
Radley, J. J. and Morrison, J. H. (2005). Repeated stress and structural plasticity in the brain. Ageing Research Reviews, 4, 271287.Google Scholar
Radloff, L. S. (1977). The CES-D scale: a self-report depression scale for research in the general population. Applied Psychological Measurement, 1, 385401.Google Scholar
Reitan, R. M. and Wolfson, D. (1993). The Halstead–Reitan Neuropsychological Test Battery: Theory and Clinical Interpretation. Tuscan, AZ: Neuropsychology Press.Google Scholar
Rosenberg, M. (1965). Society and the Adolescent Self-image. Princeton, NJ: Princeton University Press.Google Scholar
Rosser, A. and Hodges, J. R. (1994). Initial letter and semantic category fluency in Alzheimer's disease, Huntington's disease, and progressive supranuclear palsy. Journal of Neurology, Neurosurgery & Psychiatry, 57, 13891394.Google Scholar
Schulz, R. et al. (2003). End-of-life care and the effects of bereavement on family caregivers of persons with dementia. New England Journal of Medicine, 349, 19361942.Google Scholar
Thomas, P et al. (2006). Dementia patients caregivers quality of life: the pixel study. International Journal of Geriatric Psychiatry, 21, 5056.Google Scholar
Vitaliano, P. P. et al. (2005). Psychophysiological mediators of caregiver stress and differential cognitive decline. Psychology and Aging, 20, 402411.Google Scholar
Vitaliano, P. P. et al. (2009). Depressed mood mediates decline in cognitive processing speed in caregivers. Gerontologist, 49, 1222.Google Scholar
Yesavage, J. A. et al. (1983). Development and validation of a geriatric depression screening scale: a preliminary report. Journal of Psychiatric Research, 17, 3749.Google Scholar