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Some observations on the masking effects of Mach Bands.

Curnow, T. and Cowie, D. and Henning, G.B. and Hill, N.J. (2007) 'Some observations on the masking effects of Mach Bands.', Journal of the Optical Society of America A., 24 (10). pp. 3233-3241.


There are 8cycle⁄deg8cycle∕deg ripples or oscillations in performance as a function of location near Mach bands in experiments measuring Mach bands’ masking effects on random polarity signal bars. The oscillations with increments are 180°180° out of phase with those for decrements. The oscillations, much larger than the measurement error, appear to relate to the weighting function of the spatial-frequency-tuned channel detecting the broadband signals. The ripples disappear with step maskers and become much smaller at durations below 25ms25ms, implying either that the site of masking has changed or that the weighting function and hence spatial-frequency tuning is slow to develop.

Item Type:Article
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Publisher statement:© 2007 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Date accepted:No date available
Date deposited:03 January 2017
Date of first online publication:2007
Date first made open access:No date available

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