PERCEIVING APERTURE SIZE BY STRIKING

被引:39
作者
BARACCIKOJA, D [1 ]
TURVEY, MT [1 ]
机构
[1] HASKINS LABS INC,NEW HAVEN,CT
关键词
D O I
10.1037/0096-1523.17.2.330
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
This study examined the ability to perceive surface separation on the basis of mechanical stimulation resulting from striking the surfaces' interiors with a hand-held rod. The variables maniPulated were aperture size, angular displacement Kelvin, distance b of the point of contact with the surfaces from the axis of rotation, hand-rod mass m, location of the hand-rod's center of mass a, and moment of inertia lo of the hand-rod. Given a particular rod and an aperture at a given distance, lambda = sin(Kelvin)/2)[1 - (2a/b) + (ma2/Io)] was invariant over explorations. Perception of aperture size was specific to lambda; it predicted successfully the interdependent effects of Kelvin, b, and the mechanical properties of the implement. The results of 7 experiments were discussed in terms of the specificity of perception to information and the general ability to perceive distant things by means of body appendages.
引用
收藏
页码:330 / 346
页数:17
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