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Using electroencephalography to compare brain responses to real objects, images, and augmented reality stimuli
The fact that a picture of a pipe is not a pipe is a fact long established in philosophy, but does the brain function the same way? This study manipulated the presentation format of stimuli: for instance, presenting a real pencil, an image of a pencil, and an augmented reality image of a pencil. Augmented reality (AR) is the digital representation of an object superimposed into the real world via a headset. AR objects are genuinely graspable, meaning that they can be ‘grabbed’ by the hand and moved; however, they are not tangible solids. In this study, I examine the question of whether AR objects are processed in the brain the same way as images or real objects are, or if there is something about real world objects that activates the brain differently, as measured by electroencephalography (EEG).