Stimuli consisted of 360° “photospheres” of real-world scenes, sourced from an online photo sharing website (www.flickr.com). Photospheres depicted a diverse set of indoor and outdoor settings with content including people and objects. Each photosphere was applied to a virtual environment built in Unity version 2017.3.1f1 (www.unity3d.com) and integrated with a headmounted display (Oculus Rift, Development Kit 2, www.oculus.com, low persistence OLED screen, 960 × 1,080 resolution per eye; ~ 100° field of view; 75 Hz refresh rate).
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