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Social and Behavioral Sciences

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Wayne State University Dissertations

Theses/Dissertations

2019

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The Eyes Never Lie: Detecting Simulated Traumatic Brain Injury With Eye-Tracking, Robert John Kanser Jan 2019

The Eyes Never Lie: Detecting Simulated Traumatic Brain Injury With Eye-Tracking, Robert John Kanser

Wayne State University Dissertations

Performance validity test (PVT) inaccuracies can be explained by both test and extra-test (e.g., research design components) factors. Eye-tracking is a promising technology to enhance assessment of performance validity. Prior research has established that ocular behaviors are reliable biomarkers of (un)conscious cognitive processes. Experimental research on deception has shown that ocular behaviors reliably distinguish feigned concealment of information from honest responding. The primary objective of this study was to examine the incremental utility of incorporating eye-tracking into a clinical PVT to distinguish adults with verified TBI from adults coached to feign cognitive impairment. A secondary objective was to determine the …


Multicultural Face Recognition Memory And Own-Race-Bias Among Adults With Acquired Brain Injury, Nia M. Billings Jan 2019

Multicultural Face Recognition Memory And Own-Race-Bias Among Adults With Acquired Brain Injury, Nia M. Billings

Wayne State University Dissertations

Own-race bias (ORB) is a well-documented phenomenon that may influence face memory, such that face memory is improved when the observed target matches the observer’s racial background. However, the clinical measures widely used in neuropsychological evaluations lack racial diversity that may disenfranchise and disadvantage minority patients. Further, these existing measures have been criticized for having inconsistent visual contrast and facial content, as well as too much variability of non-facial information which may confound its acceptability as a measure of face memory specifically. To address these limitations, standardized, multicultural images with validated facial expressions (Beaupré et al., 2000) were used to …