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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Human spatial navigation strategies in virtual environments
 Hejtmánek, Lukáš ; Vlček, Kamil (advisor) ; Špinka, Marek (referee)
This master thesis presents an overview of psychological and neurological the- ories and research of human navigation, how it works, what systems it con- sists of and what external information it requires to operate. I present several experiments administered in virtual environment which tested the process of accessing two discrete spatial reference frames: allocentric landmark-centred and object-centred. The research tries to answer whether these reference frames interface during the learning phase and whether their access is sim- ultaneous or sequential. Data from my experiment are partially concordant with previous research and imply that the two representations exist inde- pendent of each other. Subjects tend to manifest longer reaction times during the spatial task when they need to change the reference frames in order to provide a correct answer. But the data also suggest that the switch from the object-centred reference frame does not occur prior to the task itself, which is conflicting with previous studies. Possible explanations are discussed. keywords: human navigation, switching, environmental representations, object- centred reference frame, virtual reality 1
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