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Electroencephalographic Correlates of Spatial Navigation in 3D Virtual Worlds
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Datum
2009
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Verlag
Logos Verlag
Zusammenfassung
Human navigation heavily relies on the uptake and processing of spatial
information. Here we present results from a high-density electroencephalography
(EEG) study showing that subjects demonstrate stable proclivities for coding space
based on distinct reference frames (egocentric or allocentric) even though the
visual input is identical. Participants traversed virtual tunnels constructed from
sparse visual flow and accomplished a homing task (‘point-to-origin’). Despite
identical visual stimulation subjects displayed individually stable proclivities for
an egocentric or an allocentric reference frame, which was also reflected in groupspecific
EEG dynamics. The results implicate that individual differences should be
considered for the development of navigational aids in real and virtual
environments.