![]() ![]() PupilScreen can currently distinguish between the pupillary light reflex of healthy people (shown above) and patients with severe traumatic brain injury. “Right now the best screening protocols we have are still subjective, and a player who really wants to get back on the field can find ways to game the system.” “Having an objective measure that a coach or parent or anyone on the sidelines of a game could use to screen for concussion would truly be a game-changer,” said Shwetak Patel, the Washington Research Foundation Endowed Professor of Computer Science & Engineering and of Electrical Engineering at the UW. The researchers hope to release a commercially available version of PupilScreen within two years. A broader clinical study this fall will put PupilScreen in the hands of coaches, emergency medical technicians, doctors and others to gather more data on which pupillary response characteristics are most helpful in determining ambiguous cases of concussion. ![]() ![]() The team of UW computer scientists, electrical engineers and medical researchers has demonstrated that PupilScreen can be used to detect instances of significant traumatic brain injury. This pupillary light reflex has long been used to assess whether a patient has severe traumatic brain injury, and recent research finds it can be useful in detecting milder concussions - opening up an entirely new avenue for screening. PupilScreen can detect changes in a pupil’s response to light using a smartphone’s video camera and deep learning tools - a type of artificial intelligence - that can quantify changes imperceptible to the human eye. University of Washington researchers are developing the first smartphone app that is capable of objectively detecting concussion and other traumatic brain injuries in the field: on the sidelines of a sports game, on a battlefield or in the home of an elderly person prone to falls. PupilScreen aims to allow anyone with a smartphone to objectively screen for concussion and other brain injuries on the spot - whether on the sidelines of a sports game or at an accident site. ![]()
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