High Definition Fiber Tracking: A New Look Into the Brain

UPMC/University of Pittsburgh Schools of the Health Sciences

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	High definition fiber-tracking of a million brain fibers. Credit: Walt Schneider Laboratory
	High definition fiber tracking reveals loss of fibers, or connections, on the injured right side (yellow) and the intact, undamaged left side (green).  The patient was injured in an ATV accident and lost function in his left leg, arm and hand. Credit: Walt Schneider Laboratory
	This shows the brain fibers that travel from the cortex to the lower brain, including fibers that control movement of leg, arm and hand. The uninjured side of the patient’s brain is in green. The injured side is in yellow and shows the fiber loss that has led to the patient’s difficulty moving his left arm and hand. Credit: Walt Schneider Laboratory
	Brain fibers that control right-sided limb movement were not damaged when the patient was hurt in an ATV accident. Credit: Walt Schneider Laboratory
	The patient injured in an ATV accident lost brain fibers, or connections, that control his left leg, arm and hand, leading to their impaired movement. Credit: Walt Schneider Laboratory
	Walter Schneider, Ph.D., professor of psychology, University of Pittsburgh Learning Research and Development Center.
	David Okonkwo, M.D., associate professor, Department of Neurological Surgery, Pitt School of Medicine, examines Daniel Stunkard, who sustained a traumatic brain injury in an ATV accident.
	Fernando Boada, M.D., associate professor of radiology and bioengineering, and director of the MR Research Center, University of Pittsburgh, and Walter Schneider, Ph.D., professor of psychology, Pitt’s Learning Research and Development Center.
	Daniel Stunkard demonstrates his difficulty in lifting his left arm. He sustained a traumatic brain injury in an ATV accident.
	Daniel Stunkard attempts to place small pegs in a board with his left hand, which is impaired due to a traumatic brain injury.