Can Eye Fixation During the Grooved Pegboard Test Distinguish Between Planning and Online Correction?

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The Grooved Pegboard Test, in its standard use, has well-documented utility. However, a revised methodology needs further study, leading us to investigate whether duration of eye fixation could predict performance on different task conditions of the Grooved Pegboard Test (place and remove pegs) with the preferred and nonpreferred hands. Fifty-two right-handed undergraduate students (33 male and 19 female), with a mean age of 22.22 (±3.57) years, performed the Grooved Pegboard Test. SensoMotoric eye-tracking glasses with a binocular time resolution of 30 Hz were used to measure eye fixation. The videos were recorded in iView software, and data were analyzed using BeGaze software. The number and duration of eye fixations were statistically different with preferred and nonpreferred hands and also differed across tasks. Simple linear regression showed eye fixation duration to predict movement time in the place task (preferred hand: R2 = 31%; nonpreferred hand: R2 = 41%) and in the remove task (preferred hand: R2 = 11%; nonpreferred hand: R2 = 25%). Thus, duration of eye fixation during the Grooved Pegboard Test differentially predicted performance with each hand and on preferred and different subtests of this instrument.

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