Two-flash fusion threshold: the influence of age, psychophysical method, instructions, viewing conditions, sex and subject variability.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D002648:Child; D002675:Child, Preschool; D005260:Female; D005425:Flicker Fusion; D007839:Functional Laterality; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012737:Sex Factors; D013997:Time Factors