Examining handedness and sex-related effects on line-bisection in childhood

Ivanka V. Asenova, Yoanna R. Andonova-Tsvetanova

Abstract


Eighty eight Bulgarian children (range 5 – 7 years old), 40 left handers (18 boys) and 48 right handers (26 boys), completed line-bisection test one time with each hand. In accordance with previous studies the results show that the majority of children demonstrated deviation to the left of the true center with the left hand and to the right with the right hand, suggesting symmetrical neglect. Sex, handedness and their interaction had no main effect on Mean percentage deviation scores at the group level, but only sex had a significant impact on the frequency of symmetrical neglect (p < .05), with higher one in girls than in boys.


Keywords


sex; handedness; visual spatial attention; line-bisection task; preschool age

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