Also part of the UPMC family:
Also part of the UPMC family:

High Definition Fiber Tracking: A New Look Into the Brain

UPMC/University of Pittsburgh Schools of the Health Sciences

Photo Gallery

Click the thumbnails below to download them in high resolution.
Photo credit: "UPMC" (unless otherwise stated)

Brain fiber image High definition fiber-tracking of a million brain fibers.
Credit: Walt Schneider Laboratory
Loss of fibers image 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
Brain fibers image 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 imaging Brain fibers that control right-sided limb movement were not damaged when the patient was hurt in an ATV accident.
Credit: Walt Schneider Laboratory
Brain fibers image 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
Doctor Schneider Walter Schneider, Ph.D., professor of psychology, University of Pittsburgh Learning Research and Development Center.
Doctor Okonkwo with a patient 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.
Doctor Boada 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 lifting his arm  Daniel Stunkard demonstrates his difficulty in lifting his left arm. He sustained a traumatic brain injury in an ATV accident.
Daniel Stunkard using his left arm  Daniel Stunkard attempts to place small pegs in a board with his left hand, which is impaired due to a traumatic brain injury.
Find a Doctor

Browse UPMC doctors and medical professionals to find the care that's right for you. Customize your search by specialty, zip code, last name, and more.


Visit the UPMC Find a Doctor website.
Make an Appointment

Find important information on scheduling your appointment or finding a doctor or service that meets your needs.


Request an appointment now.
Find a Location

Browse addresses and contact information for our network of hospitals, specialty care practices, and community health locations.


Find a UPMC location near you.
Pay Your Bill

Learn more about how to pay your UPMC bill. Find resources including payment methods and contact information for assistance.


Pay your bill now.
Find a Job

Advance your career with UPMC. Discover our latest job listings and learn about our values and career pathways.


Find your ideal job at UPMC.