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Visual perception of self-rotation i...

The Catholic University of America.

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Visual perception of self-rotation in a virtual environment.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Visual perception of self-rotation in a virtual environment./
作者:	Finkelmeyer, Andreas Edgar.
面頁冊數:	91 p.
附註:	Adviser: Marc M. Sebrechts.
Contained By:	Dissertation Abstracts International69-04B.
標題:	Psychology, Cognitive. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3310018
ISBN:	9780549583240

Visual perception of self-rotation in a virtual environment.
Finkelmeyer, Andreas Edgar.

Visual perception of self-rotation in a virtual environment. - 91 p.

Adviser: Marc M. Sebrechts.

Thesis (Ph.D.)--The Catholic University of America, 2008.

The ability of human observers to indicate the amount of performed self-rotation in a virtual environment was investigated in a series of three experiments. Volunteer participants were asked to point or return to the origin of a rotation after having observed the visual simulation of a self-rotation in a simple virtual-environment. Experiment 1 considered the role of proprioceptive information in the perception of self-rotation. Experiments 2 and 3 investigated the role of the physical and the geometric field-of-view of the virtual display respectively. In addition, all three experiments investigated the role of eye-movements in a parallel secondary task. The results showed strong and consistent underestimation of the amount of rotation by the observers. This perceptual bias was more pronounced when pointing to the origin than when returning, indicating different cognitive processes as the bases of these responses. The manipulations of the available visual and non-visual information had no or only small effects on the responses. Larger fields-of-view led to slightly less perceptual bias. Participants seemed to perform eye-movements that eliminated visual motion, rendering visual factors less useful and highlighting the important role of extra-retinal information for self-motion perception.

ISBN: 9780549583240Subjects--Topical Terms:

1017810
Psychology, Cognitive.

Visual perception of self-rotation in a virtual environment.
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502 $a Thesis (Ph.D.)--The Catholic University of America, 2008.
520 $a The ability of human observers to indicate the amount of performed self-rotation in a virtual environment was investigated in a series of three experiments. Volunteer participants were asked to point or return to the origin of a rotation after having observed the visual simulation of a self-rotation in a simple virtual-environment. Experiment 1 considered the role of proprioceptive information in the perception of self-rotation. Experiments 2 and 3 investigated the role of the physical and the geometric field-of-view of the virtual display respectively. In addition, all three experiments investigated the role of eye-movements in a parallel secondary task. The results showed strong and consistent underestimation of the amount of rotation by the observers. This perceptual bias was more pronounced when pointing to the origin than when returning, indicating different cognitive processes as the bases of these responses. The manipulations of the available visual and non-visual information had no or only small effects on the responses. Larger fields-of-view led to slightly less perceptual bias. Participants seemed to perform eye-movements that eliminated visual motion, rendering visual factors less useful and highlighting the important role of extra-retinal information for self-motion perception.
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