High Quality Content by WIKIPEDIA articles! Researchers have suggested a link between handedness and ability with mathematics. This link has been proposed by Geschwind, Galaburda, Annett, and Kilshaw. The suggested link is that a brain without extreme bias towards locating language in the left hemisphere would have an advantage in mathematical ability.However, experimental data have been found that are not consistent with this hypothesis. A 1967 study by Douglas, for example, found no evidence to correlate mathematical ability with non-right-handedness (i.e. left-handedness or ambidexterity). The study compared the people who came in the top 15% of a mathematics examination with those of moderate mathematical ability, and found that the two groups' handedness preferences were similar. However, it did find that those who came lowest in the test had mixed hand preferences. A study in 1979 by Peterson found a trend towards low rates of left-handedness in science students.

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