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Differential Effects of Exercise Modality on Cognition and Brain in Older Adults

Award Number: R01AG070036
ORGANIZATION: NATIONAL INSTITUTE ON AGING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 04/01/2021
PERIOD OF PERFORMANCE END DATE: 03/31/2026

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Differential Effects of Exercise Modality on Cognition and Brain in Older Adults - Project Summary Older adults often experience physical decline that can be directly ameliorated by physical activity and exercise. Evidence is building that exercise prevents cognitive decline or delays the onset of debilitating dementia (e.g. Alzheimer's disease [AD]) yet, the optimal dose and combination of exercise modalities for promoting brain health, however, remains unknown and essentially untested. Our long-term research goal is to develop and test strategies to support successful aging and prevent AD. We have successful ongoing (R01AG053312, R01AG053952, R01AG049749, R01AG52954, R01AG043962) and completed projects (R01AG033673, R01AG034614, KL2TR000119) around a theme of community-based exercise programs for older adults. We will enroll 280 individuals, age 65 to 80 years without cognitive impairment, into a 52-week exercise intervention to test the combined and independent effects of aerobic and resistance training on cognition, brain structure, and physical function. We will also explore underlying biological mechanisms that may link exercise with brain health. Participants will be randomized into 1 of 4 groups: flexibility, toning and balance (control), aerobic exercise training, progressive resistance training, or combined aerobic and resistance training. All intervention groups represent the most common modalities of exercise and directly reflect the public health recommendations for aerobic and resistance training. Exercise training will occur in a community setting through the network of Greater Kansas City YMCAs. We hypothesize that 52 weeks of exercise will improve 1) cognitive performance, 2) regional brain volume, 3) cardiorespiratory fitness and strength 4) biomarkers. This will be the largest study to assess the combined and independent effects of the two most recommended forms of exercise. Demonstrating specific exercise effects on cognitive function and brain health in older adults would have enormous public health implications. The study's results will also impact public health policy and education by providing evidence towards the specific or synergistic effects of aerobic and resistance training on cognition and brain structure. Encouraging the public to adapt more active lifestyles and stimulate the development of effective exercise delivery programs to enhance initiation and maintenance of physical activity interventions is key to increasing the number of quality years of life for America's aging population.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $1,012,732 )
2025	2025	UNIVERSITY OF KANSAS MEDICAL CENTER RESEARCH INSTITUTE, INC.	3901 RAINBOW BLVD	KANSAS CITY	KS	66160	WYANDOTTE	USA	Aging Research	000	5	4/22/2025	NON-COMPETING CONTINUATION	$930,060
2025	2025	UNIVERSITY OF KANSAS MEDICAL CENTER RESEARCH INSTITUTE, INC.	3901 RAINBOW BLVD	KANSAS CITY	KS	66160	WYANDOTTE	USA	Aging Research	001	5	6/20/2025	NON-COMPETING CONTINUATION	$82,672
														Subtotal = $1,012,732

Issue Date FY: 2024 ( Subtotal = $1,493,224 )
2024	2024	UNIVERSITY OF KANSAS MEDICAL CENTER RESEARCH INSTITUTE, INC.	3901 RAINBOW BLVD	KANSAS CITY	KS	66160	WYANDOTTE	USA	Aging Research	000	4	5/10/2024	NON-COMPETING CONTINUATION	$1,493,224
														Subtotal = $1,493,224

Issue Date FY: 2023 ( Subtotal = $1,515,398 )
2023	2023	UNIVERSITY OF KANSAS MEDICAL CENTER RESEARCH INSTITUTE, INC.	3901 RAINBOW BLVD	KANSAS CITY	KS	66160	WYANDOTTE	USA	Aging Research	000	3	3/28/2023	NON-COMPETING CONTINUATION	$1,515,398
														Subtotal = $1,515,398

Issue Date FY: 2022 ( Subtotal = $1,526,464 )
2022	2022	UNIVERSITY OF KANSAS MEDICAL CENTER RESEARCH INSTITUTE, INC.	4330 SHAWNEE MISSION PKWY	SHAWNEE MISSION	KS	66205	JOHNSON	USA	Aging Research	000	2	5/16/2022	NON-COMPETING CONTINUATION	$1,526,464
														Subtotal = $1,526,464

Issue Date FY: 2021 ( Subtotal = $1,375,262 )
2021	2021	UNIVERSITY OF KANSAS MEDICAL CENTER RESEARCH INSTITUTE, INC.	4330 SHAWNEE MISSION PKWY	SHAWNEE MISSION	KS	66205	JOHNSON	USA	Aging Research	000	1	3/30/2021	NEW	$1,375,262
														Subtotal = $1,375,262

Grand Total All Awards = $6,923,080

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Differential Effects of Exercise Modality on Cognition and Brain in Older Adults

Award Number: R01AG070036

ORGANIZATION: NATIONAL INSTITUTE ON AGING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 04/01/2021

PERIOD OF PERFORMANCE END DATE: 03/31/2026

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