Mobile Universal Lexicon Evaluation System (MULES) test: A new measure of rapid picture naming for concussion

This study introduces a rapid picture naming test, the Mobile Universal Lexicon Evaluation System (MULES), as a novel, vision-based performance measure for concussion screening. The MULES is a visual-verbal task that includes 54 original photographs of fruits, objects and animals. We piloted MULES i...

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Bibliographic Details
Published in:Journal of the neurological sciences 2017-01, Vol.372, p.393-398
Main Authors: Cobbs, Lucy, Hasanaj, Lisena, Amorapanth, Prin, Rizzo, John-Ross, Nolan, Rachel, Serrano, Liliana, Raynowska, Jenelle, Rucker, Janet C., Jordan, Barry D., Galetta, Steven L., Balcer, Laura J.
Format: Article
Language:English
Subjects:
Adult
Brain Concussion - diagnosis
Cohort Studies
Concussion
Eye Movements - physiology
Female
Humans
King-Devick test
Male
Middle Aged
Mobile Universal Lexicon Evaluation System
Names
Neuropsychological Tests
Photic Stimulation
Reaction Time - physiology
Saccades
Semantics
Sports
Vision
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Summary:This study introduces a rapid picture naming test, the Mobile Universal Lexicon Evaluation System (MULES), as a novel, vision-based performance measure for concussion screening. The MULES is a visual-verbal task that includes 54 original photographs of fruits, objects and animals. We piloted MULES in a cohort of volunteers to determine feasibility, ranges of picture naming responses, and the relation of MULES time scores to those of King-Devick (K-D), a rapid number naming test. A convenience sample (n=20, age 34±10) underwent MULES and K-D (spiral bound, iPad versions). Administration order was randomized; MULES tests were audio-recorded to provide objective data on temporal variability and ranges of picture naming responses. Scores for the best of two trials for all tests were 40–50s; average times required to name each MULES picture (0.72±0.14s) was greater than those needed for each K-D number ((spiral: 0.33±0.05s, iPad: 0.36±0.06s, 120 numbers), p
ISSN:0022-510X
1878-5883
DOI:10.1016/j.jns.2016.10.044