Human evolution theory utilizing concepts of neoteny & female sexual selection
An etiology of neuropsychological disorders such as autism and dyslexia, and the origin of left handedness.

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D. Deutsch

Pitch memory: An advantage for the left handed: bibliographical excerpts

"In an auditory or musical task, subjects made pitch recognition judgments when the tones to be compared were separated by a sequence of interpolated tones. The left-handed subjects performed significantly better than the right-handed and also had a significantly higher variance. Further analysis showed that the superior performance was attributable largely to the left-handed subjects with mixed hand preference." (Deutsch, D. (1978) Pitch memory: An advantage for the left handed. Science 199: pp. 5590



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