Critical Flicker Fusion Predicts Executive Function in Younger and Older Adults.

Arch Clin Neuropsychol

Department of Psychology, University of Georgia, Athens, GA, USA Bio-Imaging Research Center, Paul C. Coverdell Center, University of Georgia, Athens, GA, USA

Published: November 2015

Critical flicker fusion (CFF), a measure of visual processing speed, has often been regarded as a basic metric underlying a number of higher cognitive functions. To test this, we measured CFF, global cognition, and several cognitive subdomains. Because age is a strong covariate for most of these variables, both younger (n = 72) and older (n = 57) subjects were measured. Consistent with expectations, age was inversely related to CFF and performance on all of the cognitive measures except for visual memory. In contrast, age-adjusted CFF thresholds were only positively related to executive function. Results showed that CFF predicted executive function across both age groups and accounted for unique variance in performance above and beyond age and global cognitive status. The current findings suggest that CFF may be a unique predictor of executive dysfunction.

Download full-text PDF

Source
http://dx.doi.org/10.1093/arclin/acv054DOI Listing

Publication Analysis

Top Keywords

executive function
12
critical flicker
8
flicker fusion
8
younger older
8
cff
6
fusion predicts
4
executive
4
predicts executive
4
function younger
4
older adults
4

Similar Publications

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!