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Laterality: Finding out about the human mind through stone

07:38 EDT 23 Sep 2016 | Science Codex

Laterality is the preference of human beings for one side of our bodies; being left-handed or right-handed, for example, or having a preference for using one eye or ear or the other. In the view of the geologist and primatologist Eder Domínguez-Ballesteros, "lateralised behaviour in humans may in some way have been reflected in their technological products, in particular, in the things they made. Besides, flint knapping -inherent in our genus since the first stages in its evolution- is an excellent source of information for studying lateralization in humans".

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