Difference thresholds for intensity perception of whole-body vertical vibration: effect of frequency and magnitude.

  title={Difference thresholds for intensity perception of whole-body vertical vibration: effect of frequency and magnitude.},
  author={Miyuki Morioka and Michael J. Griffin},
  journal={The Journal of the Acoustical Society of America},
  volume={107 1},
Difference thresholds for seated subjects exposed to whole-body vertical sinusoidal vibration have been determined at two vibration magnitudes [0.1 and 0.5 ms(-2) root mean square (r.m.s.)] and at two frequencies (5 and 20 Hz). For 12 subjects, difference thresholds were determined using the up-and-down transformed response method based on two-interval forced-choice tracking. At both frequencies, the difference thresholds increased by a factor of five when the magnitude of the vibration… CONTINUE READING
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