University of Twente Student Theses
Perceiving Directional Feedback via Vibro-Tactile Stimulation in a Virtual Environment
Bierhuizen, Nienke (2019) Perceiving Directional Feedback via Vibro-Tactile Stimulation in a Virtual Environment.
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| Abstract: | Tactile feedback may benefit numerous applications where other modalities are already highly loaded (e.g. air navigation and neuronavigation). The current study attempted to explore and get insights in directional feedback perception via vibration on the torso. The main goal was to test two models which might explain how people perceive directions through vibrational feedback. The circular model (CM) suggested an internal circle as reference to explain perceived directions, and the ellipse model (EM) suggested an internal ellipse which returns perceived directions with a bias towards the navel and the spine. Data of fourteen participants was gathered in an experiment where participants had to point to the perceived directions within a sphere in virtual reality, when they felt vibrations on the torso via a shirt with 15 horizontal and nine vertical tactors. The models were compared on goodness of fit on the data. Results show that the EM best fitted the data for every participant. Due to big variability in answers, the average ellipse shape of the EM could not be used to develop a universal model. Future research is recommended to optimize the virtual reality with more visual reference cues and to test whether a similar model fits vertical data. |
| Item Type: | Essay (Master) |
| Faculty: | BMS: Behavioural, Management and Social Sciences |
| Subject: | 77 psychology |
| Programme: | Psychology MSc (66604) |
| Link to this item: | https://purl.utwente.nl/essays/77960 |
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