The neurodegenerative disorder amyotrophic lateral sclerosis may render patients unable to speak or write, so that objective assessment of cognitive impairment, which is commonly of a dysexecutive nature, is challenging. There is therefore a need to develop other methods of assessment that utilize other relatively unaffected motor systems. In this proof-of-principle study a novel eye-tracking version of the trail-making test was compared with performance on the standard written version in a group of healthy volunteers. There was good correlation for speed between both versions of Part B (R2=0.73), suggesting that this is a viable method to objectively assess cognitive impairment in disorders where patients are unable to speak or write. © 2013 Hicks et al.
CITATION STYLE
Hicks, S. L., Sharma, R., Khan, A. N., Berna, C. M., Waldecker, A., Talbot, K., … Turner, M. R. (2013). An eye-tracking version of the trail-making test. PLoS ONE, 8(12). https://doi.org/10.1371/journal.pone.0084061
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