Abstract:The ability to control separate eyelids independently ('the voluntary winking ability') is studied in 527 subjects of European stock and in 262 Polyneaians, with the following reaults: (1) In both group, there is a significant correlation between voluntary winking ability and age. (2) Winking ability of the males is not significantly greater than that of the females. (3) In children under 10 years of age, the incidence of non-winking is significantly higher than in the remaining subjects. (4) In the European g… Show more
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