Since apparent brightness increases as an intermittent luminous source decreases from flicker fusion to approximately 10 cps, the phenomenal blackness induced by an intermittent annulus should also increase as a result of brightness contrast. However, data from 5 observers showed the phenomenal blackness occurring with a 10-cps inducer was greater than that expected on the basis of brightness contrast.
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| http://dx.doi.org/10.2466/pms.1991.72.3.757 | DOI Listing |
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