Krystle E. Zuniga|Edward McAuley
Considerations in selection of diet assessment methods for examining the effect of nutrition on cognition
University of Illinois Urbana-Champaign|University of Illinois Urbana-Champaign
older adults rapidly growing age group united states estimated 222 us adults 71 years age cognitive impairments without dementia 139 dementia cognitive impairment associated reduced quality life increased risk hospitalization inability live independently increased health care costs therefore identification modifiable risk factors prevention delay cognitive decline increasing importance growing body research interest relationship diet cognitive function epidemiologic studies suggest cognitive function may improved cognitive decline prevented function particular nutrient food group dietary pattern however results trials failed replicated randomized controlled trials one possible reason equivocality findings diet cognitive function literature may methodological issues limitations assessment dietary patterns nutritional intake selfreported dietary data biased many factors age gender socioeconomic status education yet limited research impact cognitive function integrity selfreported dietary data cognitive function may bias diet assessment methods subsequently obscuring evaluation nutritioncognition relationship present review summarizes methodological validation studies provide insight potential errors diet assessment methods due cognitive function identifies research gaps provides recommendations improving diet assessment accuracy studies individuals cognitive impairments