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Relations of Hand Clasping and Arm Folding to Handedness in Hungarian Children

Published online by Cambridge University Press:  01 August 2014

G. Forrai  and
G. Bánkövi
G. Forrai*
Affiliation:
Policlinic for Children andMathematical Institute of the Hungarian Academy of Sciences, Budapest
G. Bánkövi*
Affiliation:
Policlinic for Children andMathematical Institute of the Hungarian Academy of Sciences, Budapest
*
Alig u. 5, XIII Budapest, Hungary
Reáltanoda u. 13-15, V Budapest, Hungary

Summary

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The authors examined the manner of clasping the hands (HC) and folding the arms (AF) in 415 unrelated pupils, aged from 9 to 15, of the Budapest school “Horváth Imre”. As refers to HC, 54.2% of the total material was found to be «L» (55.2% in ♂ and 53.2% in ♀), while concerning AF, 62.9% of the total material was found to be “L” (60.4% in ♂ and 65.5% in ♀). No significant difference between sexes could be observed. On the basis of a test constructed by the authors and supposed to be connected with handedness, every pupil examined was marked by a “point number for left-handedness” (PNLH). New observations drawn from our data are: (1) the PNLH average of right-handed pupils is somewhat higher in ♂ than in ♀ (2) a higher PNLH average is found, both for HC and AF, in the group of “L” individuals; (3) as the most striking phenomenon, the group of “R” type girls for HC (marked as “1”) contains a significantly high number of“absolutely right-handed”. This observation suggests that there may be a latent connection between HC, AF and laterality, but the lack of a simple and manifest coherence between these characteristics makes it inadequate to apply HC and AF as tests for handedness.

Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 18 , Issue 2 , April 1969 , pp. 166 - 174
Copyright
Copyright © The International Society for Twin Studies 1969

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