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Horizontal and vertical self-paced saccades as a diagnostic marker of traumatic brain injury

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Authors

Hunfalvay, Melissa
Roberts, Claire-Marie
Murray, Nick
Tyagi, Ankur
Kelly, Hannah
Bolte, Takumi

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Abstract

Eye tracking tests to measure horizontal and vertical saccades as a proxy for neural deficits associated with traumatic brain injury (TBI) were evaluated in the present study. Methodology: A total of 287 participants reporting either no TBI, mild, moderate or severe TBI participated in a suite of eye tracking tests to measure horizontal and vertical saccadic performance. Results: The horizontal saccades test offered a sensitivity of 0.77 and a specificity of 0.78, similarly the vertical saccades tests offered a sensitivity of 0.64 and a specificity of 0.65. Conclusion: The results indicated that using eye-tracking technology to measure these metrics offers an objective, reliable and quantifiable way of differentiating between individuals with different severities of TBI, and those without a TBI.

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item.page.doi

10.2217/cnc-2019-0001

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