Mild behavioral impairment as a predictor of cognitive functioning in older adults

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Updated: Dec 20, 2025

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
12:18

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

Published on: January 11, 2020

7.8K

Hillary J Rouse1, Brent J Small1, John A Schinka1

  • 1School of Aging Studies, University of South Florida, Tampa, FL, USA.

International Psychogeriatrics
|May 28, 2020
PubMed
Abstract

Insights

Mild behavioral impairment (MBI) negatively impacts cognitive function in older adults, affecting executive function, attention, and memory, regardless of cognitive status. Individuals with MBI and mild cognitive impairment (MCI) show specific episodic memory deficits.

Area of Science:

  • Neuroscience
  • Gerontology
  • Cognitive Psychology

Background:

  • Mild behavioral impairment (MBI) is increasingly recognized as a potential precursor or correlate of cognitive decline.
  • Understanding the specific cognitive effects of MBI is crucial for early detection and intervention in aging populations.
  • Previous research has explored MBI's association with various neurodegenerative diseases, but its independent impact on cognitive domains requires further elucidation.

Purpose of the Study:

  • To investigate the influence of mild behavioral impairment (MBI) on the cognitive performance of older adults.
  • To differentiate the cognitive impact of MBI in cognitively healthy individuals versus those with mild cognitive impairment (MCI).

Main Methods:

  • Secondary data analysis of 497 older adults (cognitively healthy and MCI) from the Florida Alzheimer's Disease Research Center.
  • Utilized neuropsychological tests to assess executive function, attention, short-term memory, and episodic memory.
  • Operationalized diagnostic criteria for MBI, with over half the sample meeting these criteria.

Main Results:

  • Older adults with MBI demonstrated poorer performance in executive function, attention, and episodic memory compared to those without MBI.
  • A significant interaction indicated that individuals with both MBI and MCI performed worse on episodic memory tasks than those with MCI alone.
  • Cognitively healthy older adults consistently outperformed individuals with MCI across all assessed cognitive domains.

Conclusions:

  • Mild behavioral impairment (MBI) is associated with worse performance in executive function, attention, and episodic memory, independent of overall cognitive status.
  • The co-occurrence of MBI and MCI leads to specific deficits in episodic memory, suggesting a unique cognitive phenotype.
  • Assessing both cognitive and behavioral symptoms is essential for a comprehensive understanding of cognitive aging and impairment.
Keywords:
attentioncognitively healthyexecutive functionmemorymild behavioral impairmentmild cognitive impairment

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