Ahmed Abdullah Ebraheem

Learn More
Retired professional athletes, who have suffered repetitive concussions, report symptoms of depression, anxiety, and memory impairment over time. Moreover, recent imaging data suggest chronic white-matter tract deterioration in sport-related concussion. The aim of this study is to evaluate the impact of repetitive concussions in retired professional(More)
OBJECTIVE The objective of this study was to determine the demographics and predictors of postconcussion syndrome (PCS) in a large series of patients using a novel definition of PCS. METHODS The authors conducted a retrospective cohort study of 284 consecutive concussed patients, 221 of whom had PCS on the basis of at least 3 symptoms persisting at least 1(More)
This paper presents a new experimental approach in reverse engineering for rapid reconstruction, modeling and manufacturing of products with complex free form surfaces. The proposed approach eliminates the requirement for camera calibration and poses estimation. Using planar sectioning, we generate a set of horizontal parallel planes slicing the object to a(More)
  • 1