The Association of Life Stress with Subsequent Brain and Cognitive Reserve in Middle-Aged Women
BACKGROUND: Cognitive and brain reserve refer to individual differences that allow some people to better withstand brain pathology than others. Although early life stress has been recognized as a risk factor for low reserve in late life, no research yet has studied this across midlife.
OBJECTIVE: To examine the associations of life stress with brain and cognitive reserve in midlife.
METHODS: We included 1,232 middle-aged women who participated in the ORACLE Study between 2002-2006). Life stress was calculated as the shared variance of four cumulative stress domains, created from items measured between pregnancy and 10 years after childbirth. Brain reserve was defined as healthy-appearing brain volume measured with MRI; cognitive reserve as better cognitive functioning than expected based on age, education, and brain MRI measures, using structural equation modelling.
RESULTS: More life stress was associated with lower brain (standardized adjusted difference: -0.18 [95% CI 0.25,-0.12]) and cognitive reserve (-0.19 [-0.28,-0.10]). Although, effect sizes were typically smaller, cumulative stress domains were also associated with brain reserve (life events: -0.10 [-0.16,-0.04]; contextual stress: -0.13 [-0.19,-0.07]; parenting-related stress: -0.13[-0.19,-0.07]; interpersonal stress: -0.10 [-0.16,-0.04]) and cognitive reserve (life events: -0.18 [-0.25,-0.11]; contextual stress: -0.15 [-0.10,-0.02]; parenting-related stress: -0.10 [-0.18,-0.03]; interpersonal stress not significant).
CONCLUSION: Women who experience more life stress in midlife were found to have lower reserve. Effects were primarily driven by shared variance across cumulative stress domains, suggesting that focusing on single domains may underestimate effects. The effect of life stress on lower reserve may make women with stress more prone to neurodegenerative disease later in life than women without stress.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:93 |
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| Enthalten in: |
Journal of Alzheimer's disease : JAD - 93(2023), 1 vom: 20., Seite 97-106 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Schuurmans, Isabel K [VerfasserIn] |
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| Links: |
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| Themen: |
Cognitive reserve |
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| Anmerkungen: |
Date Completed 09.05.2023 Date Revised 23.05.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.3233/JAD-220923 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM354441256 |
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| 100 | 1 | |a Schuurmans, Isabel K |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The Association of Life Stress with Subsequent Brain and Cognitive Reserve in Middle-Aged Women |
| 264 | 1 | |c 2023 | |
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| 500 | |a Date Revised 23.05.2023 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Cognitive and brain reserve refer to individual differences that allow some people to better withstand brain pathology than others. Although early life stress has been recognized as a risk factor for low reserve in late life, no research yet has studied this across midlife | ||
| 520 | |a OBJECTIVE: To examine the associations of life stress with brain and cognitive reserve in midlife | ||
| 520 | |a METHODS: We included 1,232 middle-aged women who participated in the ORACLE Study between 2002-2006). Life stress was calculated as the shared variance of four cumulative stress domains, created from items measured between pregnancy and 10 years after childbirth. Brain reserve was defined as healthy-appearing brain volume measured with MRI; cognitive reserve as better cognitive functioning than expected based on age, education, and brain MRI measures, using structural equation modelling | ||
| 520 | |a RESULTS: More life stress was associated with lower brain (standardized adjusted difference: -0.18 [95% CI 0.25,-0.12]) and cognitive reserve (-0.19 [-0.28,-0.10]). Although, effect sizes were typically smaller, cumulative stress domains were also associated with brain reserve (life events: -0.10 [-0.16,-0.04]; contextual stress: -0.13 [-0.19,-0.07]; parenting-related stress: -0.13[-0.19,-0.07]; interpersonal stress: -0.10 [-0.16,-0.04]) and cognitive reserve (life events: -0.18 [-0.25,-0.11]; contextual stress: -0.15 [-0.10,-0.02]; parenting-related stress: -0.10 [-0.18,-0.03]; interpersonal stress not significant) | ||
| 520 | |a CONCLUSION: Women who experience more life stress in midlife were found to have lower reserve. Effects were primarily driven by shared variance across cumulative stress domains, suggesting that focusing on single domains may underestimate effects. The effect of life stress on lower reserve may make women with stress more prone to neurodegenerative disease later in life than women without stress | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Cognitive reserve | |
| 650 | 4 | |a epidemiology | |
| 650 | 4 | |a middle aged | |
| 650 | 4 | |a psychological | |
| 650 | 4 | |a stress | |
| 700 | 1 | |a Hoepel, Sanne J W |e verfasserin |4 aut | |
| 700 | 1 | |a Cecil, Charlotte A M |e verfasserin |4 aut | |
| 700 | 1 | |a Hillegers, Manon H J |e verfasserin |4 aut | |
| 700 | 1 | |a Ikram, M Arfan |e verfasserin |4 aut | |
| 700 | 1 | |a Luik, Annemarie I |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:93 |g year:2023 |g number:1 |g day:20 |g pages:97-106 |
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