Lanca M, Bryant D J
Department of Psychology, Northeastern University, Boston, MA 02115, USA.
Percept Mot Skills. 1995 Jun;80(3 Pt 2):1291-8. doi: 10.2466/pms.1995.80.3c.1291.
We investigated the accuracy of haptic reproduction of line length and whether accuracy is influenced by line orientation. 13 blindfolded subjects felt along different line lengths at various orientations in the horizontal plane, then reproduced the line lengths in the same orientation as that felt. Efforts were made to equate learning and reproductive scanning movements. Reproductions of line lengths were a nonveridical power function of their true lengths, but the power function exponents did not differ across spatial orientations. It was concluded that people can encode line lengths across spatial orientations by a common power function if care is taken to equate proprioceptive information across learning and reproduction.
我们研究了线长的触觉再现准确性以及准确性是否受线的方向影响。13名被蒙上眼睛的受试者在水平面内沿着不同方向的不同线长进行触摸，然后以与触摸时相同的方向再现线长。我们努力使学习和再现扫描动作相等。线长的再现是其真实长度的非真实幂函数，但幂函数指数在不同空间方向上没有差异。得出的结论是，如果在学习和再现过程中注意使本体感觉信息相等，人们可以通过一个共同的幂函数对不同空间方向上的线长进行编码。
