New Jersey Institute of Technology (NJIT) researchers have created an augmented reality (AR) system to run experiments on the glass knifefish to gain insight into its autonomous sensing functions.
Said NJIT's Eric Fortune, "This is perhaps the first study where augmented reality has been used to probe, in real time, this fundamental process of movement-based active sensing, which nearly all animals use to perceive the environment around them."
The AR model simulated the motion of a refuge waving in the water, synched to the fish's eye movement; the researchers learned the fish could tell this experience was virtual.
Fortune said, "This experiment demonstrates that the phenomenon that we are observing is due to feedback the fish receives from its own movement. Essentially, the animal seems to know that it is controlling the sensory world around it."
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