A part of the brain that maps letters to sounds can acquire a second, visually distinct alphabet for the same language, according to a study of English speakers published in eNeuro. The research challenges theoretical constraints on the range of visual forms available to represent written language.
For adults, becoming fluent in a foreign language, particularly one with a new alphabet, can be challenging. This may be because their brain has been specialized by their first language. It is unclear whether the so-called visual word form area (VWFA)— a brain region that responds to letters—is similarly inflexible in adulthood.
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