Masking of thresholds for the perception of fore-and-aft vibration of seat backrests

Basri, 2011, The vibration of inclined backrests: perception and discomfort of vibration applied normal to the back in the x-axis of the body, J. Sound Vib., 330, 4646, 10.1016/j.jsv.2011.04.021 Basri, 2014, The application of SEAT values for predicting how compliant seats with backrests influence vibration discomfort, Appl. Ergon., 45, 1461, 10.1016/j.apergo.2014.04.004 British Standards Institution, 1987. Measurement and evaluation of human exposure to whole-body mechanical vibration and repeated shock. BS 6841. Durlach, 2003, J. Acoust. Soc. Am., 113, 2984, 10.1121/1.1570435 Gallais, C.H.R., Morioka, M., Griffin, M.J., 2015. Thresholds for the perception of fore-and-aft whole-body-vibration (unpublished report). Gescheider, 1982, Prediction of vibrotactile masking functions, J. Acoust. Soc. Am., 72, 1421, 10.1121/1.388449 Gescheider, 1983, Vibrotactile forward masking: evidence for channel independence, J. Acoust. Soc. Am., 74, 474, 10.1121/1.389813 International Organization for Standardization, 1997 Jalil, 2007, Fore-and-aft transmissibility of backrests: variation in transmissibility with the height above the seat surface and non-linearity, J. Sound Vib., 299, 109, 10.1016/j.jsv.2006.06.057 Jalil, 2008, Fore-and-aft apparent mass of the back: nonlinearity and variation with vertical location, J. Sound Vib., 318, 1348, 10.1016/j.jsv.2008.05.016 Kato, 1998, The effect of backrest angles on discomfort caused by fore-and-aft back vibration, Ind. Health, 36, 107, 10.2486/indhealth.36.107 Levitt, 1971, Transformed up-down methods in psychoacoustics, J. Acoust. Soc. Am., 49, 467, 10.1121/1.1912375 Morioka, 2002, Dependence of vibrotactile thresholds on the psychophysical measurement method, Int. Arch. Occup. Environ. Health, 75, 78, 10.1007/s004200100280 Morioka, 2005, Independent responses of Pacinian and Non-Pacinian systems with hand-transmitted vibration detected from masked thresholds, Somatosens. Motor Res., 22, 69, 10.1080/08990220500084644 Morioka, 2010, Frequency weightings for fore-and-aft vibration at the back: effect of contact location, contact area, and body posture, Ind. Health, 48, 538, 10.2486/indhealth.MSWBVI-05 Parsons, 1982, Vibration and comfort III. Translational vibration of the feet and back, Ergonomics, 25, 705, 10.1080/00140138208925029 Wetherill, 1965, Sequential estimation of points on a psychometric function, Br. J. Math. Stat. Psychol., 18, 1, 10.1111/j.2044-8317.1965.tb00689.x Whitham, 1978, The effects of vibration frequency and direction on the location of areas of discomfort caused by whole-body vibration, Appl. Ergon., 9, 231, 10.1016/0003-6870(78)90084-4 Zwislocki, 1958, On the effect of practice and motivation on the threshold of audibility, J. Acoust. Soc. Am., 30, 254, 10.1121/1.1909559