The brain lateralization and development of math functions: progress since Sperry, 1974
Elena Salillas,
Silvia Benavides-Varela,
Carlo Semenza
Abstract:In 1974, Roger Sperry, based on his seminal studies on the split-brain condition, concluded that math was almost exclusively sustained by the language dominant left hemisphere. The right hemisphere could perform additions up to sums less than 20, the only exception to a complete left hemisphere dominance. Studies on lateralized focal lesions came to a similar conclusion, except for written complex calculation, where spatial abilities are needed to display digits in the right location according to the specific … Show more
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