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A Wearable Haptic Feedback System for Home-based Gait Training for Older Adults

Award Number: R15AG078865
ORGANIZATION: NATIONAL INSTITUTE ON AGING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 04/01/2023
PERIOD OF PERFORMANCE END DATE: 03/31/2027

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A Wearable Haptic Feedback System for Home-based Gait Training for Older Adults - Project Summary The population of older adults in the U.S. is growing very rapidly. Living independence is at the core of successful aging, and independent mobility is critical to independent functioning. Many community-dwelling older adults, who can walk independently, exhibit mild to moderate abnormal gait patterns that if remaining untreated will lead to a risk of falls, fear of falling, loss of mobility, and other health issues. Many of the early changes in gait seen with aging are a reflection of impaired motor control. These motor control deficits are not ameliorated by interventions targeting the muscular and cardiopulmonary systems. Interventions that focus on training the perceptuomotor system are needed to generate a more stable and efficient gait. The knowledge gaps lie in (1) the structure of the training to enhance the perceptuomotor system, and (2) merging the training unobtrusively into users’ daily walking exercise because neuromotor skills can be improved by regular training. To address these gaps, a first-of-its-kind wearable tactile feedback system has been created that uses tactile feedback coupled with wireless smartphone-based technology to enable independent and repeated motor learning-driven gait training. The objective of this proposal is to test the hypothesis that biomechanics-driven tactile feedback, which targets deficits in the underlying biomechanical variables via motor learning exercises and human adaptation, can significantly improve the neural control of movement through modification of the key gait parameters in older adults. The tactile feedback aims to increase the thigh peak extension and, thereby, improve stride length and gait speed as two key gait parameters. The two aims of this proposal are geared towards achieving the mentioned objective. In Aim 1, we will test two algorithms based on error feedback and positive reinforcement methods to provide tactile feedback to increase the thigh extension. This aim determines which methods evoke better responses from users during the training phase. Aim 2 will focus on the retention of gait improvements through longer-term practicing with the developed system and the two algorithms at a later date when the feedback is no longer present. This work will provide translatable research opportunities involving multiple disciplines such as engineering, neuroscience, and psychology, as well as motor learning physical therapy with the potential to impact the lives of many individuals. Since this research targets users' cognition to effect change their physical capabilities through motor learning training, and the benefits of improving mobility for cognitive capabilities in older adults, it can open up opportunities to address cognitive declines in older adults.


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: 2026 ( Subtotal = $0 )
2026	2023	UNIVERSITY OF MAINE SYSTEM	5717 CORBETT HALL	ORONO	ME	04469	PENOBSCOT	USA	Aging Research	000	1	3/17/2026	NEW	$0
2026	2023	UNIVERSITY OF MAINE SYSTEM	5717 CORBETT HALL	ORONO	ME	04469	PENOBSCOT	USA	Aging Research	001	1	3/27/2026	NEW	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $432,375 )
2023	2023	UNIVERSITY OF MAINE SYSTEM	5717 CORBETT HALL RM 422	ORONO	ME	04469	PENOBSCOT	USA	Aging Research	000	1	3/23/2023	NEW	$432,375
														Subtotal = $432,375

Grand Total All Awards = $432,375

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A Wearable Haptic Feedback System for Home-based Gait Training for Older Adults

Award Number: R15AG078865

ORGANIZATION: NATIONAL INSTITUTE ON AGING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 04/01/2023

PERIOD OF PERFORMANCE END DATE: 03/31/2027

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