Primal Health Databank: Study
| Entry No: | 0234 |
| Title: | Birth weight and handedness in boys and girls |
| Author(s): | Petridou E, Flytzani V, et al. |
| Reference: | Human Biology 1994; 66(6): 1093-101 |
| Place of Study: | Greece |
| Abstract: | The authors analysed handedness in association with birth weight for 1,387 boys and girls aged 5 to 10 years. Increased birth weight was significantly associated with right-handedness in boys and with left handedness in girls. In multiple regression models left handedness was significantly more common among boys and among children of better educated mothers and tended to decrease with age. The different association of birth weight and hand preference in boys and girls indicates that the prenatal hormonal factors that affect brain lateralisation and handedness are qualitatively or quantitatively different in the two sexes and may be differently associated with birth weight. |
| Keyword(s): | birth weight, handedness, lateralisation |
| Discussion: | One of the studies suggesting that hand preference is to a great extent determined during fetal life. See entries 181, 184, 232, 233 |
| See Also: | 0181, 0184, 0232, 0233 |
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