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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

Are age-related changes in cognitive function driven by age-related changes in sensory processing?

Larry E Humes¹, Thomas A Busey, James Craig

¹Department of Speech & Hearing Sciences, Indiana University, Bloomington, IN 47405-7002, USA. humes@indiana.edu

Attention, Perception & Psychophysics

|December 21, 2012

Summary

This summary is machine-generated.

Age-related cognitive decline may be linked to changes in sensory processing. This study found that sensory processing abilities significantly influence cognitive function across different age groups.

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Area of Science:

Neuroscience
Psychology
Gerontology

Background:

Long-standing interest exists in the relationship between sensory and cognitive functions.
Previous research often focused on limited senses and basic acuity measures.
The role of temporal processing across multiple senses in cognition remains underexplored.

Purpose of the Study:

To investigate the association between comprehensive sensory processing measures and cognitive function.
To determine if sensory processing mediates the relationship between age and cognitive function.
To identify global factors underlying sensory and cognitive performance.

Main Methods:

Collected data from 245 adults (aged 18-87) on 40 psychophysical measures of sensory function (threshold sensitivity, temporal processing) across hearing, vision, and touch.
Administered 15 subtests of the Wechsler Adult Intelligence Scale, 3rd edition (WAIS-III) to assess cognitive function.
Utilized principal-components factor analysis to derive global sensory processing and cognitive function factors, and structural modeling to analyze relationships.

Main Results:

Principal-components analysis identified a single global sensory processing factor and a single global cognitive function factor.
Age, global sensory processing, and global cognitive function were all significantly correlated.
Controlling for global sensory processing eliminated the correlation between age and global cognitive function, while other correlations remained.

Conclusions:

Age-related cognitive changes may be mediated by age-related alterations in global sensory processing.
Comprehensive sensory processing is a significant factor influencing cognitive function.
This study highlights the interconnectedness of sensory systems and cognitive abilities throughout adulthood.