In this paper, we present a prototype design of POCTENA (Point-Of-Care Testing Environment for Neurological Assessment), a medical computing system that will be used to assist with diagnosis of mild traumatic brain injury. The design includes an initial set of neurological tests that are built into the system. Component-based usability testing was conducted to examine the effectiveness of the user interface. Results from usability testing are then used to suggest possible system design revisions.
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