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An Online Shared Decision-making Intervention for Dementia Prevention: A Parallel-group Randomized Pilot Study.

Raymond L Ownby¹, Rosemary Davenport¹

¹Department of Psychiatry and Behavioral Medicine, Nova Southeastern University, Fort Lauderdale, Florida, USA.

Current Alzheimer Research

|December 4, 2023

Summary

An online dementia prevention program was well-received by participants interested in brain health. While primary outcomes showed no significant differences, the cognitive behavioral shared decision-making model (CBSDM) intervention showed promise for improving dementia risk knowledge.

Keywords:

Alzheimer’s disease behavior change dementia diet cognition.exercise prevention

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Area of Science:

Gerontology
Neuroscience
Public Health

Background:

Cognitive decline and dementia pose significant public health challenges.
Lifestyle interventions are crucial for promoting brain health and potentially preventing dementia.
Online delivery models offer scalable solutions for health interventions.

Purpose of the Study:

To evaluate the acceptability and efficacy of an online dementia prevention intervention.
To assess a cognitive behavioral shared decision-making model (CBSDM) for brain health.
To explore the impact of lifestyle factors on cognitive decline in older adults.

Main Methods:

An unblinded pilot study with 18 participants aged 40+ interested in brain-healthy lifestyles.
Remote delivery via telephone, video conferencing, and online data collection.
Comparison between treatment-as-usual (TAU) and a structured CBSDM intervention over 12 weekly sessions.

Main Results:

No significant between-group changes were observed in primary outcome measures.
The online intervention was positively received, with high participant willingness to repeat.
The CBSDM group demonstrated increased knowledge of dementia risk factors and exercise benefits.

Conclusions:

An online intervention offering psychoeducation and behavior change support is acceptable to older adults.
Preliminary findings suggest potential efficacy of the CBSDM intervention in promoting brain health.
Further research is warranted to confirm the long-term effects and broader applicability of the intervention.