Alterations in critical flicker frequency as a function of age and light:dark ratio.
- 1 January 1958
- journal article
- research article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology
- Vol. 56 (6) , 529-538
- https://doi.org/10.1037/h0049128
Abstract
The relationship between CFF and age is linear and negative for all light:dark ratios (LDR) under both conditions of surround luminance. The decrement in CFF with age is a function of the light-time percentage of the flicker cycle. "On the basis of the results it was suggested that the use of lower levels of light-time in the flicker cycles, rather than the conventional 50:50 LDR, would enhance the sensitivity of CFF as an indicator measure." 16 refs.Keywords
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