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A tablet computer in landscape orientation was placed in front of them with its screen folded flat. In sum, no consistent picture emerges from the findings of the previous studies that have investigated sex differences in children's manual control abilities. These findings complement neuroimaging research showing structural differences in the developmental trajectories of the male and female brain [3] and a clinical literature which indicates an increased prevalence of certain neurodevelopmental disorders in males [4][5]. Table 5 Mean and standard deviation for reciprocal movement time MT whilst Aiming by Sex across Age Bands and Experimental Conditions, with effect size estimates for between-sex differences. Psychological Science in the Public Interest, Supplement 8: Developmental Medicine and Child Neurology

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We investigated age and sex-differences in the ability of children to control a handheld stylus.

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Manual Control Age and Sex Differences in 4 to 11 Year Old Children

Our study explored pre-pubescent 4—11 years old children's manual control, using a set of tasks that reflected the basic eye-hand coordination challenges commonly encountered when engaging in such behaviour. Boys outperform girls on sensorimotor, visuo-spatial and mathematical problem-solving tasks. Tracking tasks are known to be sensitive indicators of certain neurological deficits because they rely on corticocerebellar and visuomotor control systems to generate accurate predictions of an external target's motion [52] — [54]. If we consider all of these findings together, one might speculate that our results suggest girls, pre-adolescence, have a marginal advantage over boys for handling a stylus and exerting precise force-control upon it as indexed by the tracing task but that competing tasks demands may swamp this advantage, leading to superior performance disappearing when manual tasks also contain other constraints e. Baseline, Embedded-Baseline or Jump Event was included.

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