Dartmouth Study Finds Eye Scans Form Biometric Fingerprints Across Hundreds of New Spaces
Updated
Updated · vnews.com · Jul 16
Dartmouth Study Finds Eye Scans Form Biometric Fingerprints Across Hundreds of New Spaces
1 articles · Updated · vnews.com · Jul 16
Summary
Researchers at Dartmouth found people’s first eye movements in unfamiliar environments are stable enough to act like an “attentional fingerprint,” potentially identifying individuals from gaze patterns alone.
Hundreds of virtual-reality scenes and eye-tracking headsets let the team measure which objects participants noticed first, showing those split-second scans reflect internal priorities, memories and interests.
The study suggests people do not merely interpret shared scenes differently later; personality and mindset shape what they initially encode in the first milliseconds of looking around.
Robertson said that makes gaze data sensitive behavioral and biometric information, especially as eye tracking spreads into VR headsets, AR glasses, cars and other consumer devices.
Published in the Proceedings of the National Academy of Sciences, the findings raise privacy concerns that eye-tracking systems could infer traits such as politics or interests while recognizing specific users.