critical flicker frequency


Also found in: Acronyms.

critical flicker frequency

[′krid·ə·kəl ′flik·ər ‚frē·kwən·sē]
(optics)
That frequency of an intermittent light source at which the light appears half the time as flickering and half the time as continuous.
References in periodicals archive ?
Critical flicker frequency was correlated with NCT-A (r=-0.
Critical flicker frequency test has several advantages such as easy administration, application by a non-specialist personal, and results that are independent of numeracy, literacy, and age.
Critical flicker frequency for quantification of low grade HE.
Meta-analysis: the diagnostic accuracy of critical flicker frequency in minimal hepatic encephalopathy.
Patients were subjected to symptom analysis, clinical examination, laboratory investigations, psychometric tests and critical flicker frequency test to establish the current degree of encephalopathy.
Critical Flicker Frequency Test was more positive in the study group than the control group.
In addition, critical flicker frequency test was carried out in both the study groups and the results were compared for further analysis.
Critical Flicker Frequency Test was more positive in the study group than the control group and was found to be statistically significant values obtained as 0.
Robert Brown and colleagues presented results of an analysis of the effect of rifaximin treatment on critical flicker frequency (CFF) response and the association between quantitative CFF results and breakthrough overt hepatic encephalopathy (HE) episodes, as assessed by Conn score (CS).
The Critical Flicker Frequency (CFF) test measures eye and brain function during visual stimulation and is known to be impaired (lower Hz) in patients with hepatic encephalopathy (HE)," said Robert S.
Critical flicker frequency (CFF) and psychotropic drugs in normal human subjects-a review.
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