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NUTRITIONAL RISK STATUS, DIETARY INTAKE AND COGNITIVE PERFORMANCE IN OLDER ADULTS WITH MOTORIC COGNITIVE RISK

S A White1, N Ward2, J Verghese3,4

  • 1Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human, Nutrition Research on Aging at Tufts University, Boston, MA, USA.

JAR Life
|August 29, 2022
PubMed
Summary
This summary is machine-generated.

Older adults with motoric cognitive risk syndrome (MCR) show increased malnutrition risk and poor adherence to neuroprotective diets. Improving nutrition, particularly the MIND diet, may support cognitive function in this population.

Keywords:
Motoric cognitive risk syndromecognitiondietary patternsnutritional risk

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Neuroscience

Background:

  • Dietary factors significantly influence cognitive decline and dementia risk in older adults.
  • Understanding nutritional intake in at-risk populations can inform targeted interventions.
  • Motoric Cognitive Risk Syndrome (MCR) is a pre-dementia state characterized by gait and memory impairments.

Purpose of the Study:

  • To assess the nutritional status, diet quality, and specific nutrient intake of older adults diagnosed with MCR.
  • To identify potential links between nutritional factors and cognitive performance in this cohort.

Main Methods:

  • Cross-sectional analysis of 25 community-dwelling older adults (60-89 years) with MCR.
  • Utilized the Mini Nutritional Assessment (MNA) for nutritional risk.
  • Employed a food frequency questionnaire to evaluate the Healthy Eating Index (HEI) and Mediterranean-DASH for Neurodegenerative Delay (MIND) diet adherence.
  • Assessed cognitive abilities using a computerized battery.

Main Results:

  • 36% of participants were at increased risk for malnutrition.
  • Lower malnutrition risk correlated with better working memory, executive function, and overall cognition.
  • While overall diet quality (HEI) was moderate, 48% showed poor adherence to the MIND diet.
  • Higher intake of B-complex vitamins and Vitamin C was associated with improved cognitive measures like task switching, processing speed, and executive functioning.

Conclusions:

  • A substantial portion of older adults with MCR face malnutrition risks.
  • Dietary quality in MCR individuals warrants improvement, with potential benefits from enhanced adherence to neuroprotective diets like the MIND diet.
  • Further research into specific nutritional interventions is recommended to mitigate cognitive decline in at-risk older adults.