The mental rotation task performance of Turner syndrome subjects

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Abstract
Thirty-one female subjects with Turner syndrome (TS) and 31 normal females matched for age and verbal IQ were given a spatial task requiring the mental rotation of geometric figures. The results revealed a poorer performance by the TS group for most items involving rotations. The relationship between reaction time and angular distance on the rotation task was linear for both groups, with the TS group being significantly slower in the slope component of the relationship. The findings are discussed in terms of the mechanisms underlying the spatial deficiencies of TS subjects.

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