p. 327-328
In this paper, we examine the anxiety at utilizing wheelchair. When the human use wheelchairs, from the influence of environment, the human feel a sense of unease. In particular, when the human go up slopes using wheelchairs, the human feel a sense of unease. The sense of unease is under influence of the organ of vision and the vestibular organ. In this thesis, when the human go up slopes using wheelchairs, whether or not, the declivity angle for human to feel the anxiety can be estimated by using brain waves of the human.