ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,265, issued on April 15, was assigned to Apple Inc. (Cupertino, Calif.).

"Eye-gaze based biofeedback" was invented by Grant H. Mulliken (Los Gatos, Calif.), Christine Godwin (Sunnyvale, Calif.), Izzet B. Yildiz (Sunnyvale, Calif.) and Sterling R. Crispin (Santa Cruz, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations disclosed herein include devices, systems, and methods that determine an attentive state of a user during an experience (e.g., visual and/or auditory content that could include real-world physical environment, virtual content, or a combination of each) based on the user's gaze characteristic(s) to enhance the e...