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  1. Left-handedness and old age : do left-handers die earlier ?

    Article - En anglais

    Data are presented on the prevalence of current left-handedness and prior left-handedness (switched) in 2787 subjects from 21 to 101 years of age.

    In addition, data on sex differences, familial sinistrality, hand posture when writing, and education were recorded.

    Two hypotheses were tested.

    The elimination hypothesis states that reduced frequency of left-handers in old age is due to reduced longevity.

    The modification hypothesis states that differences in the number of left-handers between older and younger persons are due to changing patterns of social norms.

    Mots-clés Pascal : Préférence manuelle, Gauche, Taux, Mortalité, Prévalence, Norme sociale, Age, Sexe, Etude familiale, Niveau étude, Statut professionnel, Epidémiologie, Dominance hémisphérique, Système nerveux central, Encéphale, Vieillard, Homme, Adulte

    Mots-clés Pascal anglais : Handedness, Left, Ratio, Mortality, Prevalence, Social norm, Age, Sex, Family study, Study level, Professional status, Epidemiology, Hemisphere dominance, Central nervous system, Brain (vertebrata), Elderly, Human, Adult

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 93-0468162

    Code Inist : 002A26O. Création : 199406.