Visual Modeling: A Socialization-Based Intervention to Improve Nutritional Intake Among Nursing Home Residents

Area of Science:

• Gerontology
• Nutritional Science
• Cognitive Impairment Research

Background:

• Malnutrition is prevalent and costly in institutionalized older adults, often linked to dysphagia and cognitive impairment.
• Existing interventions to improve food intake in individuals with dementia are limited and can negatively impact independence and quality of life.

Purpose of the Study:

• To investigate a novel, socialization-grounded intervention using visual modeling to enhance food and liquid intake in older adults with dementia.
• To explore the impact of a "mealtime buddy" utilizing motor resonance and mimicry principles on nutritional intake.

Main Methods:

• A study involving four nursing home residents with dementia (average age 83.5 years).
• Food and liquid intake (by weight) was measured across 15 meals under three conditions: eating alone (baseline), eating with a "mealtime buddy" present (watch), and eating while the buddy also ate (eat).

Main Results:

• Data visualization indicated a weak relationship between the eating environment and intake amount across participants.
• Log response ratio estimates suggested a trend towards increased food consumption in the "eat" condition compared to both "baseline" and "watch" conditions for some individuals.

Conclusions:

• Preliminary results support the use of visual modeling as a beneficial intervention for increasing consumption in some individuals with dementia.
• The effectiveness varied based on individual factors like cognitive status, suggesting personalized implementation strategies.
• This study provides initial proof of concept for visual modeling as an intervention, paving the way for future, larger-scale research.