Further Investigations into a Peculiarity of Normal Directional Hearing
L. B. W. Jongkees, R. A. V. D. Veer · Acta Oto-Laryngologica · 1958
When plotting the subjective location of a sound against the objective one on an ordinate graph system an S-shaped curve appears. Some factors which might influence or explain the S-form were examined. From the results of these tests no explanation for the origin of the S-curve could be made.